( =Japanese /  =International)
2025 Mar 17-20 (水戸市民会館), 日本天文学会春季年会, "XRISM衛星によるSN1987A観測１：爆発噴出物プラズマの膨張構造の測定"
2024 Sep 11-13 (関西学院大学), 日本天文学会秋季年会, "X線分光撮像衛星 XRISM の絶対時刻精度の軌道上較正"
2024 May 12-16 (Parador de La Granja, Spain), the 16th International Astrophysical Consortium for High Energy Calibration Workshop "IACHEC Timing Working Group Status"
2024 May 12-16 (Parador de La Granja, Spain), the 16th International Astrophysical Consortium for High Energy Calibration Workshop "Ground and In-orbit Verifications of the XRISM Timing System"
2024 Mar 18-21 (Remote), 日本物理学会春季大会, "X線分光撮像衛星XRISMの時刻システム構築および軌道上精度評価"
2023 April 23-28 (Seeblick Pelham, Germany), the 15th International Astrophysical Consortium for High Energy Calibration Workshop, "IACHEC Timing Working Group Status"
2023 April 23-28 (Seeblick Pelham, Germany), the 15th International Astrophysical Consortium for High Energy Calibration Workshop, "Current status of the XRISM"
2023 April 23-28 (Seeblick Pelham, Germany), the 15th International Astrophysical Consortium for High Energy Calibration Workshop, "XRISM Timing System Design and Timing Accuracy"
2023 Jan 5-6 (ISAS/JAXA), 第23回 宇宙科学シンポジウム, "XRISM 衛星科学運用に向けた準備進捗２０２２年度"
2022 Nov 14-15 (Remote), 2040年代のスペース天文学研究会, "高感度核ガンマ線観測で拓く宇宙r-process 重元素合成"
2022 Sep 13-15 (Remote), 日本天文学会秋季年会, "銀河系内中性子星連星合体残骸からの核ガンマ線放射診断"
2022 July 20-21 (Osaka,Jp), UKAKUREN-RCNP Conference on Astro-Nuclear Physics (ANP2022), "Gamma-ray Diagnostics of r-process Nucleosynthesis in the Remnants of Galactic Binary Neutron-Star Mergers"
2022 May 23-25 (Remote), International Astrophysical Consortium for High Energy Calibration, 2022 Spring Workshop (2022), "IACHEC Timing Working Group Status"
2021 Nov 18 (Remote), International Astrophysical Consortium for High Energy Calibration, 2021 Fall Virtual Workshop (2021), "IACHEC Timing Working Group Status"
2021 May 17-19 (Remote), International Astrophysical Consortium for High Energy Calibration, 2021 Spring Virtual Workshop (2021), "IACHEC Timing Working Group Status"
2021 Jan 6-7 (ISAS/JAXA), 第21回 宇宙科学シンポジウム, "XRISM 衛星科学運用に向けた準備進捗２０２０年度"
2021 Aug 20, (遠隔), 研究会「中性子星・超新星残骸及び関連天体」, "中性子星連星合体イベントのガンマ線残光の探査"
2021 Aug 10-12, (遠隔), ~中性子星の観測と理論~研究活性化ワークショップ 2021, "核ガンマ線を用いた銀河系内中性子星連星合体残骸の探査"
2021 Jan 28 - Feb 4, Sydney, Australia, 43rd COSPAR Scientific Assembly Session E1.6 X- AND GAMMA-RAY COUNTERPARTS OF NEW TRANSIENTS IN THE MULTIMESSENGER ERA, "Theoretical Estimations and Observational Systematic Survey of R-process Gamma-rays from Galactic Kilonova Remnants"
2020 Dec 7-11 (Digital), SPIE Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray, "Detail plans and preparations for the science operations of the XRISM mission"
2020 Mar 16-19 (遠隔), 日本天文学会 2020年春季年会, "連星中性子星合体残骸の核ガンマ線探査"
2020 Feb 10-12, Hyogo, "Numerical Estimation and Observational Searches for Nuclear Gamma-rays from Galactic Kilonova Remnants," Gravitational wave physics and astronomy: Genesis, the 3rd Annual Area Symposium (2020)
2020 Jan 8-9 (ISAS/JAXA), 第20回宇宙科学シンポジウム, "XRISM 衛星の科学運用計画とその準備進捗"
2019 Oct 14-17, Tokyo, "Systematic Survey of Nuclear Gamma-rays from Galactic Kilonova Remnants," Gravitational Wave Physics and Astronomy Workshop 2019(2019)
2019 May 20-23, Shonan Kanagawa, "XRISM Science Operations Plan", the 14th IACHEC meeting(2019)
2019 Sep 11-13 (熊本大学) 超高精度分光で探る将来X線宇宙物理と太陽物理研究とのシナジー, 日本天文学会 2019年秋季年会 (招待講演)
2018 Nov 29-30 (名古屋大) 宇宙プラズマにおける粒子加速ワークショップ「PhoENiXへの期待：白色矮星での非熱的X線の観測」(招待講演)
2018 Nov 26-28 (京都大) The 2nd Annual Symposium of the Gravitational Wave genesis, "Search for Possible Gamma-rays from Galactic Kilonova Remnants"
2018 Nov 19-21 (ISAS/JAXA) The 1st Japan-China X-ray collaboration Workshop, New eyes on X-ray astrophysical objects with Japanese and Chinese observatories, "Suzaku/Hitomi Science Operations"(招待講演)
2018 Nov 19-21 (ISAS/JAXA) The 1st Japan-China X-ray collaboration Workshop, New eyes on X-ray astrophysical objects with Japanese and Chinese observatories, "Suzaku/Hitomi Analyses school"(招待講演)
2018 Sep 10-12 (三鷹天文台) 2018年度光赤天連シンポジウム・2030年代の光学赤外線天文学を考える「高エネルギー宇宙物理連絡会が関与する飛翔体将来計画概要」(招待講演)
2018 July 1-7 (Rome Univ, Italy), The 15th Marcel Grossmann Meeting, "Observational approaches on the nature of Type Ia Supernovae with near Future X-ray Missions"
2018 June 21 (理化学研究所) 重力波観測時代のrプロセスと不安定核, 「X線ガンマ線による中性子星連星合体からの核ガンマ線の探査計画」
2018 June 7 (東工大) Gravitational wave physics and astronomy: Genesis Area Workshop, "Systematic survey of Galactic Kilonova Remnant in Soft gamma-rays"
2018 April 9-13 (Avigliano Umbro, Italy)
the 13th International Astronomical Consortium for High Energy Calibration Meeting
"The XARM mission status and science operations plan" (招待講演)
2018 Mar 14-17 (千葉大学), 日本天文学会春季年会,“X 線衛星代替機XARM における科学運用計画”
2018 Mar7-9 (首都大) 第17回高宇連研究会「ひとみ衛星の成果と将来への展望」,“「ひとみ」電波Crab 同時観測によるGiant radio pulse に同期したX線増光の探査”(招待講演)
2018 Jan 9-10 (ISAS/JAXA), 第18回宇宙科学シンポジウム, “X線衛星代替機における科学運用の計画概要”
2017 Nov 23-25 (三鷹天文台) ~中性子星の観測と理論~ 研究活性化ワークショップ 2017, “「ひとみ」衛星による Crab Giant radio pulse のX線電波同時観測 ”(招待講演)
2017 Mar 27-31 (UCLA, USA) the 12th International Astronomical Consortium for High Energy Calibration Meeting,“Status of the X-ray Astronomy Recovery Mission (XARM)”(招待講演)
2017 Mar 27-31 (UCLA, USA) the 12th International Astronomical Consortium for High Energy Calibration Meeting,“Summary of Hitomi Timing calibration”
2017 Mar 23-25 (名古屋大) The 3rd Suzaku HXD WAM meeting, “Short burst from AXP 1E1547.0-5408, (review of PhD thesis by T. Yasuda)”
2017 Mar 15-18(九州大) 日本天文学会 春季年会,“Ｘ線天文衛星「ひとみ」と電波の同時観測による「かに星雲」パルサーからの Giant radio pulse の X 線特性”
2017 Feb 27-28(京都大) 第1回MeVガンマ線天文学研究会 “Ia型超新星 SN2014Jの「すざく」sub MeV 観測レビューと将来 MeV観測”(招待講演)
2017 Feb 13-15(Tokyo,Japan) the 16th ASTRO-H/Hitomi Science Meeting "Timing analyses and calibrations of Crab pulsar with Hitomi"
2017 Feb 13-15(Tokyo,Japan) the 16th ASTRO-H/Hitomi Science Meeting "Hitomi Software/Calibration Recent activities"
2016 Dec 26-28 (Kyoto,Japan) Symposium on "New development in astrophysics through multimessenger observations of gravitational wave sources", “Future high-sensitive gamma-ray observations of nucleosynthesis nuclei in neutron star mergers”,
2016 Sep 14-16 (愛媛大) 日本天文学会 秋季年会 “X線天文衛星「ひとみ(ASTRO-H)」塔載機器の解析ソフトウェアの開発”
2016 Sep 14-16 (愛媛大) 日本天文学会 秋季年会 “「すざく」衛星による宇宙エックス線背景放射の軟ガンマ線観測”
2016 Jun 20-24 (Niigata, Japan) Nuclei in the Cosmos XIV,“Soft gamma-ray Observation of SN2014J with Suzaku”
2016 May 18-20 (Tokyo, Japan), the 15th Hitomi Science Meeting, "Hitomi software development status after launch"
2016 May 12-13 (Madrid, Spain), High-resolution X-ray spectroscopic software and tools, "Hitomi/Astro-H SXS"(招待講演)
2016 Feb 18-20 (IPMU, Chiba), Innovative Area on Multi-messenger Study of Gravitational Wave Sources, "MeV Gamma-ray Studies of Neutron Star Merger"
2015 Sep 7-11 (Palermo Italy), The golden age of Cataclysmic Variables and related objects, "White Dwarf Pulsars and Rotating White Dwarfs"(招待講演)
2015 July 27-29 (Tokyo,Japan), the 14th ASTRO-H Science Meeting, "Status and updates on pre-pipeline process for ASTRO-H mission"
2015 July 27-29 (Tokyo,Japan), the 14th ASTRO-H Science Meeting, "Verification of Time assignment system for ASTRO-H with Function Detail data"
2015 July 13-18 (Rome Italy), The 14th Marchael Grossman Meeting, "Soft gamma-ray Continuum emission from SN2014J with Suzaku HXD"(招待講演)
2015 June 18-19 (Nagoya, Japan), the Supernova Remnant workshop, "Review on the soft Gamma-ray observational studies of Supernovae as Nucleaosynthesis Sites"(招待講演)
2015 Mar 18-21 (大阪大) 日本天文学会 "「すざく」を用いたIa 型超新星SN2014J の硬エックス線観測"
2015 Mar 2-4 (首都大) the 13th ASTRO-H Science Meeting, "ASTRO-H software/calibration, Status and updates on pre-pipeline process"
2015 Jan 6-7 第15回宇宙科学シンポジウム, "「すざく」によるIa型超新星 SN2014J のToO硬X線観測"
2014 Nov 16-22 (Ensenada, Mexico) A COSPAR Capacity Building Workshop, "Suzaku spacecraft and instruments & ftools and Suzaku dedicated softwares" [2 Lectures + class] (招待講演)
2014 Nov 8-15 (Seattle, USA) IEEE Nuclear Science Symposium & Medical Imaging Conference "Design of the Time Assignment System for ASTRO-H and Its Performance Before Launch"
2014 July 9-11 (Paris, France) the 12th ASTRO-H Science Meeting, "ASTRO-H software/calibration, Software review & organization meetings on Science Operation"
2014 July 9-11 (Paris, France) the 12th ASTRO-H Science Meeting, "ASTRO-H software/calibration, Current status of Pre-pipeline and the data distribution plan"
2014 May 12-15 (Warrenton, USA) 9th IACHEC meeting, "Summary of working group activity and status, Timing"
2014 May 12-15 (Warrenton, USA) 9th IACHEC meeting, "Calibration and software for the ASTRO-H Time assignment"(招待講演)
2014 May 12-15 (Warrenton, USA) 9th IACHEC meeting, "Suzaku Operations and Calibration Status"(招待講演)
2014 Mar (ICU)、日本天文学会 "ASTRO-H衛星用時刻付けシステムの構築"
2014 Feb 24-25 (広島大), ASTRO-H SGD Science Workshop, "Gamma-rays from supernovae and their remnants" (招待講演)
2014 Feb 19-22 (愛媛大), Expanding Frontiers of the X-ray Universe, "Systematic surveys of non-thermal emission from white dwarfs with Suzaku"
2014 Feb 17-18 (愛媛大) the 11th ASTRO-H Science Meeting, "ASTRO-H software/calibration, pre-pipeline and pipeline process"
2014 Feb 17-18 (愛媛大) the 11th ASTRO-H Science Meeting, "ASTRO-H Ground calibration status and software for time assignment"
2014 Jan 11 (ISAS), 高エネルギー宇宙連絡会, "将来計画に関する検討会: めざすサイエンス"
2013 Sep 1-14 (中国) A COSPAR Capacity Building Workshop, "Suzaku spacecraft and instruments & ftools and Suzaku dedicated softwares" [Lecture]
2013 Sep 1-14 (中国) A COSPAR Capacity Building Workshop, "Cataclysmic Variables, Novae, and white dwarfs" [Lecture]
2013 Jul 10-12 (Yale 大学/米国) the 10th ASTRO-H Science Meeting, "ASTRO-H pre-pipeline process"
2013 Jul 10-12 (Yale 大学/米国) the 10th ASTRO-H Science Meeting, "ASTRO-H software and calibration: progress in time assignment and coordinate"
2013 Mar 20-23 (埼玉大学) 日本天文学会 "「すざく」による逃亡星 BD+43 3654 における粒子加速の探査"
2013 Feb 20-22 (つくば) the 9th ASTRO-H Science Meeting, "What has been done and is missing on Pre Pipe line processing software"
2013 Feb 20-22 (つくば) the 9th ASTRO-H Science Meeting, "What has been done and is missing on Time assignment software"
2012 Oct 1-5 (Milano, Italy) "X-ray searches for new Galactic Particle-Acceleration sites with Suzaku"
2012 Sep 19-21 (大分大学) 日本天文学会 "ASTRO-H衛星の科学解析用時刻づけソフトウェアの開発"
2012 Jul 9-11 (Cambridge, UK) the 8th ASTRO-H Science Meeting, "Status and plan of the Software and Calibration Team activities"
2012 Jul 9-11 (Cambridge, UK) the 8th ASTRO-H Science Meeting, "Summary of time assignment tool"
2012 Jul 1-5 (Stockholm, Sweeden), the 13th Marcel Grossmann Meeting , "Review on High Energy observations in searches for Non-thermal emissions from Accelerated particles in Magnetic White Dwarfs"(招待講演)
2012 Mar 19-22 (龍谷大学) 日本天文学会,"ASTRO-H 衛星と次世代ガンマ線望遠鏡 CTA で切り拓くガンマ線連星"
2012 Feb 22-23 (ISAS/JAXA) the 7th ASTRO-H Science Meeting, "Status reports on the pre-pipe line process"
2012 Feb 22-23 (ISAS/JAXA) the 7th ASTRO-H Science Meeting, "ASTRO-H time assignment software"
2012 Jan 5-6 (ISAS/JAXA,Japan) 第12回宇宙科学シンポジウム, "ASTRO-H 衛星用の科学解析用ソフトウェア・キャリブレーション"
2011 Sep 19-22 (鹿児島大学) 日本天文学会,
"「すざく」による逃亡星 BD+43~3654 からのエックス線検出"
2011 Sep 3 (埼玉大学) パルサー小研究会,
"白色矮星パルサーのアイディアと X線γ線 観測現状"
2011 Jul 20-22 (SLAC, USA) Suzaku Conference
"First X-ray Detection from a Bow Shock Region of a Runaway Star, BD+43 3654, with Suzaku"
2011 Jul 17-19 (SLAC, USA) the 6th ASTRO-H Science Meeting,
"ASTRO-H Status Reports on pre-pipe line processing"
2011 Jul 17-19 (SLAC, USA) the 6th ASTRO-H Science Meeting,
"ASTRO-H Software/Calibration Documents"
2011 Jul 17-19 (SLAC, USA) the 6th ASTRO-H Science Meeting,
"ASTRO-H Timing Analyses of a Fast-rotating Pulsars"
2011 Apr 11-14 (Rome, Italy) 6th IACHEC,
"Challenges on ASTRO-H Data Analyses and Software: from Suzaku Lessons"(招待講演)
2011 Mar 24-28 (新潟大学) 日本物理学会,
"ハードな強磁場白色矮星からの非熱的放射探査"
(東北関東大震災のため講演中止)
2011 Mar 16-19 (筑波大学) 日本天文学会,
"「すざく」による強磁場激変星 V2487 OphとIGR~J00234+6141の観測"
(東北関東大震災のため講演中止)
2011 Feb 23-24 (ISAS, Japan),
the 5th ASTRO-H Science Meeting, "Astro-H Calibration and Software"
2011 Feb 23-24 (ISAS, Japan),
the 5th ASTRO-H Science Meeting, "Future with Astro-H, Data Processing"
2010 Sep 22-24 (金沢大学) 日本天文学会,
"強磁場激変星 AM Her における降着プラズマ温度のX 線光度依存性の発見"
2010 Aug 25-27 (SLAC, USA) the 4th ASTRO-H Science Meeting,
"Astro-H calibration"
2010 Aug 13 (CfA Harverd Univ, USA) CfA seminar,
"Astro-H Mission: overview of Instruments and Science"
2010 Apr 12-16 (Barcelona, Spain)
High energy Emission from Pulsars,
"The International X-ray Observatory and other X-ray missions, expectations for pulsar physics"(招待講演)
2010 Mar 24-27 (広島大学) 日本天文学会,
"「すざく」、H.E.S.S.、可視光による白色矮星パルサーの多波長同時観測"
2010 Mar 20-23 (岡山大学) 日本物理学会,
"可視・X線・TeV多波長同時観測を通じた白色矮星における粒子加速の検証"
2009 Sep 14-16 (山口大学) 日本天文学会,
"「すざく」、 第二の白色矮星パルサー発見か?"
2009 Sep 6-12 (Bologna, Italy), The X-ray Astronomy 2009,
"Systematic surveys of the non thermal emission from white dwarfs with Suzaku and INTEGRAL"
2009 Jun 29-Jul 2, (Otaru, Japan), 第三回「すざく」国際会議,
"Discovery of possible non-thermal emission from AM Hercules in the very low state with Suzaku -- The second white dwarf pulsar ?? -- "
2009 Jan 6-7, 第9回宇宙科学シンポジウム "「すざく」ヘルプデスク、ゲスト観測者サポートの三年"
2008 Sep 24-26 (Heidelberg, Germany), Suzaku-HESS local Collaboration Meeting, "H.E.S.S. and Suzaku collaboration, White Dwarfs"
2008 Sep 11-13, 日本天文学会 "強磁場激変星みずがめ座AE星の降着流変動"
2008 Jul 7-11 (Heidelberg, Germany), the Heidelberg GAMMA08 Symposium, "Suzaku Observation of a White Dwarf as a new Candidate of Cosmic-ray Origin"
2008 May 27-30 (Granada, Spain), the X-ray Universe 2008, "Suzaku Observation of a White Dwarf as a new Candidate of Cosmic-ray Origin"
2008 Apr 15-17 (ISAS/JAXA, Japan), INTEGRAL-Suzaku Swiss-Japan Workshop, "Suzaku observation of spinning white-dwarfs"
2008 Mar 30 - Apr 5 (Los Angeres, CA, USA), the 10th High Energy Astrophysics Division (HEAD) Meeting, American Astronomical Society , "Suzaku Discovery of Hard X-ray Pulsations from the Rotating Magnetized White Dwarf, AE Aquarii"
2008 Mar 24-27, 日本天文学会 "「すざく」衛星搭載硬X線検出器(HXD) 広帯域全天モニタ部の現状(V)"
2007 Dec 13 (San Diego,CA, USA), the 3rd NASA Suzaku Users Meeting , "The current status, performance, and calibration plan of the HXD onboard Suzaku"(招待)
2007 Dec 10-12 (San Diego,CA, USA) "The Suzaku X-ray Universe", "Suzaku Discovery of Hard X-ray Pulsation from the Rotating Magnetized White Dwarf, AE Aquarii"
2007 Oct 17-19, 高宇連 第８回研究会「超新星とその残骸」 "「すざく」による白色矮星からの非熱的パルス放射の発見"
2007 Sep 21-24, 日本物理学会 "X 線パルサーを用いた「すざく」衛星 硬X線検出器の時刻較正 (II)"
2007 May,8-11 (UCLA conf., California USA), 2nd IACHEC
meeting "Timing Calibration of Suzaku HXD on the simultaneouscampain of Crab"
2007 Mar,28-30, 日本天文学会 "「すざく」を用いた白色矮星における非熱的放射の探査"
2006 Dec,4-8 (Kyoto, Japan), The Extreme Universe in the Suzaku Era "A high-sensitive Suzaku observation of possible non-thermal X-ray signals from a magnetized white dwarf"
2006 Dec,4-8 (Kyoto, Japan), The Extreme Universe in the Suzaku Era "The 7-steps of the Data Analysis"
2006 Dec,4-8 (Kyoto, Japan), The Extreme Universe in the Suzaku Era "Activities on Suzaku helpdesk in Japan"
2006 Oct,29-Nov.4 (California, USA), IEEE International Conference 2006 "In orbit Timing Calibration of the Suzaku Hard X-ray Detector"
2006 Sep 20-23, 日本物理学会 "「すざく」衛星搭載硬X線検出器(HXD) 広帯域全天モニタ部の現状(II)"
2006 Jul, 16-23 (Beijing, China), the 36th COSPAR meeting "Possible Suzaku detection of non-thermal X-ray signals from a rotating magnetized white dwarf"
2006 Jul, 16-23 (Beijing, China), the 36th COSPAR meeting "Suzaku observations of cyclotron resonances in binary X-ray pulsars"
2006 Jul, 2-8 (Moscow, Russia), the 6th INTEGRAL Workshop "A high-sensitive Suzaku observation of possible non-thermal emission from a white dwarf"
2006 Jun, 21-23,24(Tokyo, Japan), "High Energy Astrophysics in the Next Decade"(HEAPA, International WS) "New world of Nuclear Gamma-ray Astrophysics opened with near future X-ray missions"
2006 Mar, 日本天文学会 "「すざく」衛星搭載 硬X線検出器 広帯域全天モニタ部による太陽フレアの観測"
2006 Feb, 13-18 (Nagano, Japan), East Asian Yang Astronomer's Meeting, "The X-ray satellite, Suzaku" (invited)
2006 Jan, 第19回日本放射光学会年会・放射光科学合同シンポジウム "すざく搭載硬X線検出器の特性" (招待講演)
2006 Jan, 第6回宇宙科学シンポジウム "「すざく」によるHXD-WAMを用いたGRBの観測"
2006 Jan, 第6回宇宙科学シンポジウム "「すざく」による白色矮星を含む近接連星系の観測"
2006 Jan, 第6回宇宙科学シンポジウム "「すざく」によるX線パルサーのサイクロトロン線の観測"
2005 Dec, RIKEN WorkShop in SPring-8 "すざく衛星 検出器"
2005 Oct, 5-7 (Leuven, Belgium), SPENVIS & Geant4 Workshop "Space Application of GEANT4 for the Japanese X-ray and gamma-ray mission" (招待講演)
2005 Sep, 高エネルギー宇宙連会 "Timing Calibration of Suzaku HXD"
2005 Sep, 日本物理学会 "Astro-E2衛星硬X線検出器（HXD-II）の現状II：キャリブレーション＆ソフトウェア"
2005 Mar, 日本天文学会 "Astro-E2衛星硬X線検出器 (HXD-II) のソフトウェア開発の現状"
2005 Jan, 第5回宇宙科学シンポジウム "Astro-E2衛星搭載硬X線検出器(HXD-II)の現状(3)ソフトウェア部"
2005 Jan, 第5回宇宙科学シンポジウム "NeXTで探る元素合成の起源"
2004 Oct, 15--22 (Roma, Italy), IEEE International conference "Development of Monte Carlo simulator for the Astro-E2 Hard X-ray Detector (HXD-II)"
2004 Jun, RIBF-UEC/理研主催研究会「不安定核物理 この10年とこれから」 "宇宙におけるr-processの現場を探る"(招待講演)
2004 , 日本物理学会 "白色矮星の磁極にたつ降着円筒のプラズマ診断"
2004 Jun, 第4回宇宙科学シンポジウム "NeXTによる核$\gamma$線観測でひらく新しい物理"
2003 Aug, 第4回Geant4研究会 "X線衛星Astro-E2搭載硬X線検出器におけるGeant4活用法"
2003,Apr, 日本物理学会, "強磁場の白色矮星における粒子加速"
2002 Dec, 9--13 (Cape Town, South Africa) IAU Colloquium 190, Cataclysmic Variables, "Anisotropic Transfer of Resonance Photons in the Accretion Column of Polars"
2002,Nov, 高エネルギー宇宙連絡会・理研シンポジウム, "強磁場の白色矮星における粒子加速の可能性"
2002,Oct, 日本天文学会, "強磁場激変星の降着円筒における共鳴線の異方的な伝播"
2002,Sep, 日本物理学会, "ASTRO-E2硬X線検出器のCPU処理部の開発と現状"
2002,Mar, 日本物理学会, "強磁場激変星の降着プラズマにおける共鳴光子の非等方的な伝播過程 II"
2001 Aug, 5--10 (Germany), The Physics of Cataclysmic Variables and Related Objects, "X-Ray beaming due to resonance scattering in the accretion column of polars"
2001 Mar, 6-8 (Yokohama Japan), NEW CENTURY OF X-RAY ASTRONOMY, "X-Ray Beaming due to Resonance Scattering in the Accretion Column of Magnetic Cataclysmic Variables"
2000,Sep, 日本天文学会, "「あすか」による、強磁場激変星を用いた共鳴散乱の検証 II"
2000,Apr, 日本天文学会, "「あすか」による、強磁場激変星を用いた共鳴散乱の検証"
2000,Sep, 日本物理学会, "強磁場激変星の降着プラズマにおける鉄共鳴線のビーミング効果の検証"
1999 September 15-17 (Portsmouth NH US), The fifth Compton Symposium, "Capability of the ASTRO-E Hard X-ray Detector for High-Energy Transients and $\gamma$-Ray Bursts"
1999,Mar, 日本天文学会, "ASTRO-E衛星硬X線検出器のデジタルエレクトロニクス部の性能評価"
1999 Mar, 17-19 (Japan), The 4th ASCA Symposium, "The Digital Data Process System of the Astro-E Hard X-Ray Detector"
1998,Mar, 日本天文学会, "「あすか」による新しいＸ線トランジェント天体 II"
1998,Apr, 日本天文学会, "ASTRO-E搭載硬Ｘ線検出器（HXD）用フォトチューブの評価試験"
1998,Aug, 日本物理学会, "宇宙硬Ｘ線用井戸型フォスウイッチカウンターに用いるフォトチューブの評価試験"
1998 July 12-19 (Japan), COSPAR Symposium, "Peculiar X-ray Transient Source Discovered with ASCA"
1997,Sep, 日本天文学会,"「あすか」による新しいＸ線トランジェント天体"
1997,Sep, 日本物理学会, "あすかが観測した新しいＸ線トランジェント天体"
2002年、東京大学大学院理学系研究科天文学談話会
2002年、京都大学理学部宇宙線談話会
2002年、東京都立大学理学部談話会
2004年、公文式親子セミナー
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