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Tomohiro Usui

japan agency for marine-earth science & technology (jamstec)

43H-index
484Paper Count
6.8KCitation Count
Published Papers 101
Publication Date
Ryugu Reference Project: Recommendations from the Measurement Definition Team
err2026-05-01
err0
PREAI
errYokoyama, Tetsuya; Avice, Guillaume; Busemann, Henner; Dauphas, Nicolas; Glavin, Daniel P.; King, Ashley J.; Kleine, Thorsten; Lodders, Katharina; Moynier, Frederic; Schonbachler, Maria; Takano, Yoshinori; Wang, Kun; Yabuta, Hikaru; Enokido, Yuma; Fukai, Ryota; Tachibana, Shogo; Usui, Tomohiro
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Characteristics of Natural Remanence Records in Fine-Grained Particles Returned From Asteroid Ryugu
err2026-02-10
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errOAAI
errMasahiko Sato; Yuki Kimura; Tadahiro Hatakeyama; Tomoki Nakamura; Satoshi Okuzumi; Sei-ichiro Watanabe; Seiji Sugita; Satoshi Tanaka; Shogo Tachibana; Hisayoshi Yurimoto; Takaaki Noguchi; Ryuji Okazaki; Hikaru Yabuta; Hiroshi Naraoka; Kanako Sakamoto; Toru Yada; Masahiro Nishimura; Aiko Nakato; Akiko Miyazaki; Kasumi Yogata; Masanao Abe; Tatsuaki Okada; Tomohiro Usui; Makoto Yoshikawa; Takanao Saiki; Fuyuto Terui; Satoru Nakazawa; Yuichi Tsuda
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Bennu and Ryugu constituents from samples IR analyses and potential source of terrestrial planets’ ingredients
err2025-11-04
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errOAAI
errC. Pilorget; T. Okada; J.-P. Bibring; D. Loizeau; K. Hatakeda; L. Nardelli; L. Riu; R. Sheppard; T. Jiang; M. Mahlke; R. Brunetto; D. Baklouti; R. Fukai; M. Abe; A. Aléon-Toppani; Y. Enokido; V. Hamm; S. Kawasaki; C. Lantz; A. Miyazaki; A. Moussi-Soffys; M. Nishimura; F. Poulet; R. Tahara; T. Usui; T. Yada; K. Yogata
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Nondestructive analysis of Bennu samples toward comparative studies with Ryugu samples
err2025-11-01
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errOAAI
errFukai, Ryota; Nishimura, Masahiro; Yumoto, Koki; Cho, Yuichiro; Shimizu, Yuta; Matsuoka, Moe; Tatsumi, Eri; Furukawa, Soichiro; Sakurai, Ryosuke; Yada, Toru; Hatakeda, Kentaro; Yogata, Kasumi; Enokido, Yuma; Tahara, Rui; Miyazaki, Akiko; Kawasaki, Seiya; Kanemaru, Rei; Sugita, Seiji; Mori, Shoki; Nakahara, Shumpei; Aikyo, Yuta; Miyamoto, Hideaki; Pilorget, Cedric; Loizeau, Damien; Nardelli, Laura; Sheppard, Rachel; Lantz, Cateline; Riu, Lucie; Bibring, Jean-Pierre; Brunetto, Rosario; Okada, Tatsuaki; Abe, Masanao; Usui, Tomohiro
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Elastic Properties of Returned Samples From Asteroid (162173) Ryugu
err2025-10-01
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errOAAI
errOnodera, Keisuke; Ino, Yuta; Tanaka, Satoshi; Kawamura, Taichi; Ishizaki, Takuya; Kanemaru, Rei; Fukai, Ryota; Tsuji, Takeshi; Nakamura, Tomoki; Nakashima, Daisuke; Uesugi, Masayuki; Tachibana, Shogo; Sugita, Seiji; Yurimoto, Hisayoshi; Noguchi, Takaaki; Okazaki, Ryuji; Yabuta, Hikaru; Naraoka, Hiroshi; Sakamoto, Kanako; Yada, Toru; Nishimura, Masahiro; Nakato, Aiko; Miyazaki, Akiko; Yogata, Kasumi; Abe, Masanao; Okada, Tatsuaki; Usui, Tomohiro; Yoshikawa, Makoto; Saiki, Takanao; Terui, Fuyuto; Nakazawa, Satoru; Watanabe, Sei-ichiro; Tsuda, Yuichi
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JAXA curation for Bennu samples returned by the NASA's OSIRIS-REx mission
err2025-10-01
err1
errOAAI
errTahara, Rui; Hatakeda, Kentaro; Nishimura, Masahiro; Yogata, Kasumi; Fukai, Ryota; Miyazaki, Akiko; Yada, Toru; Enokido, Yuma; Abe, Masanao; Kawasaki, Seiya; Sakurai, Ryosuke; Okada, Tatsuaki; Pilorget, Cedric; Bibring, Jean-Pierre; Hamm, Vincent; Lourit, Lionel; Loizeau, Damien; Riu, Lucie; Yumoto, Koki; Cho, Yuichiro; Sugita, Seiji; Nakahara, Shumpei; Mori, Shoki; Aikyo, Yuta; Kameda, Shingo; Stabbins, Roger; Shimizu, Yuta; Miyamoto, Hideaki; Hitomi, Yuya; Nakano, Arisa; Nagashima, Kana; Sugahara, Haruna; Suzuki, Shino; Kimura, Shunta; Usui, Tomohiro
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Late fluid flow in a primitive asteroid revealed by Lu–Hf isotopes in Ryugu
errNature
IF48.5
err2025-09-10
err0
PREAI
errTsuyoshi Iizuka; Takazo Shibuya; Takehito Hayakawa; Tetsuya Yokoyama; Ikshu Gautam; Makiko K. Haba; Kengo T. M. Ito; Yuki Hibiya; Akira Yamaguchi; Yoshinari Abe; Jérôme Aléon; Conel M. O’D. Alexander; Sachiko Amari; Yuri Amelin; Ken-ichi Bajo; Martin Bizzarro; Audrey Bouvier; Richard W. Carlson; Marc Chaussidon; Byeon-Gak Choi; Nicolas Dauphas; Andrew M. Davis; Tommaso Di Rocco; Wataru Fujiya; Ryota Fukai; Hiroshi Hidaka; Hisashi Homma; Gary R. Huss; Trevor R. Ireland; Akira Ishikawa; Shoichi Itoh; Noriyuki Kawasaki; Noriko T. Kita; Koki Kitajima; Thorsten Kleine; Shintaro Komatani; Alexander N. Krot; Ming-Chang Liu; Yuki Masuda; Kazuko Motomura; Frédéric Moynier; Kazuhide Nagashima; Izumi Nakai; Ann Nguyen; Larry Nittler; Andreas Pack; Changkun Park; Laurette Piani; Liping Qin; Sara Russell; Naoya Sakamoto; Maria Schönbächler; Lauren Tafla; Haolan Tang; Kentaro Terada; Yasuko Terada; Tomohiro Usui; Sohei Wada; Meenakshi Wadhwa; Richard J. Walker; Katsuyuki Yamashita; Qing-Zhu Yin; Shigekazu Yoneda; Hiroharu Yui; Ai-Cheng Zhang; Tomoki Nakamura; Hiroshi Naraoka; Takaaki Noguchi; Ryuji Okazaki; Kanako Sakamoto; Hikaru Yabuta; Masanao Abe; Akiko Miyazaki; Aiko Nakato; Masahiro Nishimura; Tatsuaki Okada; Toru Yada; Kasumi Yogata; Satoru Nakazawa; Takanao Saiki; Satoshi Tanaka; Fuyuto Terui; Yuichi Tsuda; Sei-ichiro Watanabe; Makoto Yoshikawa; Shogo Tachibana; Hisayoshi Yurimoto
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The nature and formation of silica minerals in eucrite meteorites: Insight into the protoplanetary magma crystallization
err2025-09-01
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errOAAI
errKanemaru, Rei; Yamaguchi, Akira; Imae, Naoya; Maeda, Ryoga; Kimura, Makoto; Horie, Kenji; Mikouchi, Takashi; Miyahara, Masaaki; Yasutake, Masahiro; Takenouchi, Atsushi; Ono, Haruka; Nakato, Aiko; Isa, Junko; Usui, Tomohiro; Nishido, Hirotsugu
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Microgravity penetrometry flight campaign in support of MMX sampler science exploitation
err2025-06-03
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errOAAI
errAlexander Smyth-Moore; Johan Borg; Álvaro Soria-Salinas; Naomi Murdoch; Hiroki Kato; Hideaki Miyamoto; Tomohiro Usui; Erika Kaufmann; Mikael Granvik; Axel Hagermann
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Near-infrared spectral variation in Ryugu particles and implication for rapid space weathering by solar UV radiation
err2025-04-26
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errOAAI
errFurukawa, S.; Okada, T.; Hatakeda, K.; Kanemaru, R.; Yogata, K.; Yada, T.; Abe, M.; Usui, T.; Pilorget, C.; Hamm, V.; Brunetto, R.; Loizeau, D.; Riu, L.; Le Pivert-Jolivet, T.; Sasaki, S.; Egashira, Y.; Hiroi, T.; Kaiden, H.; Miyazaki, A.; Nagashima, K.; Tahara, R.; Sugiyama, Y.; Nakano, A.; Ojima, T.; Hitomi, Y.; Kumagai, K.; Nishimura, M.; Bibring, J. -p.
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Experimental evidence of phase transition of silica polymorphs in basaltic eucrites: implications for thermal history of protoplanetary crust
err2024-11-02
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errOAAI
errKanemaru, Rei; Imae, Naoya; Yamaguchi, Akira; Nakato, Aiko; Isa, Junko; Kimura, Makoto; Nishido, Hirotsugu; Usui, Tomohiro; Mikouchi, Takashi
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The Ni isotopic composition of Ryugu reveals a common accretion region for carbonaceous chondrites
err2024-09-27
err2
errOAAI
errSpitzer, Fridolin; Kleine, Thorsten; Burkhardt, Christoph; Hopp, Timo; Yokoyama, Tetsuya; Abe, Yoshinari; Aleon, Jerome; O'd Alexander, Conel M.; Amari, Sachiko; Amelin, Yuri; Bajo, Ken-ichi; Bizzarro, Martin; Bouvier, Audrey; Carlson, Richard W.; Chaussidon, Marc; Choi, Byeon-Gak; Dauphas, Nicolas; Davis, Andrew M.; Di Rocco, Tommaso; Fujiya, Wataru; Fukai, Ryota; Gautam, Ikshu; Haba, Makiko K.; Hibiya, Yuki; Hidaka, Hiroshi; Homma, Hisashi; Hoppe, Peter; Huss, Gary R.; Ichida, Kiyohiro; Iizuka, Tsuyoshi; Ireland, Trevor R.; Ishikawa, Akira; Itoh, Shoichi; Kawasaki, Noriyuki; Kita, Noriko T.; Kitajima, Kouki; Komatani, Shintaro; Krot, Alexander N.; Liu, Ming-Chang; Masuda, Yuki; Morita, Mayu; Moynier, Frederic; Motomura, Kazuko; Nakai, Izumi; Nagashima, Kazuhide; Nguyen, Ann; Nittler, Larry; Onose, Morihiko; Pack, Andreas; Park, Changkun; Piani, Laurette; Qin, Liping; Russell, Sara S.; Sakamoto, Naoya; Schoenbaechler, Maria; Tafla, Lauren; Tang, Haolan; Terada, Kentaro; Terada, Yasuko; Usui, Tomohiro; Wada, Sohei; Wadhwa, Meenakshi; Walker, Richard J.; Yamashita, Katsuyuki; Yin, Qing-Zhu; Yoneda, Shigekazu; Young, Edward D.; Yui, Hiroharu; Zhang, Ai-Cheng; Nakamura, Tomoki; Naraoka, Hiroshi; Noguchi, Takaaki; Okazaki, Ryuji; Sakamoto, Kanako; Yabuta, Hikaru; Abe, Masanao; Miyazaki, Akiko; Nakato, Aiko; Nishimura, Masahiro; Okada, Tatsuaki; Yada, Toru; Yogata, Kasumi; Nakazawa, Satoru; Saiki, Takanao; Tanaka, Satoshi; Terui, Fuyuto; Tsuda, Yuichi; Watanabe, Sei-ichiro; Yoshikawa, Makoto; Tachibana, Shogo; Yurimoto, Hisayoshi
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Phosphorus-rich grains in Ryugu samples with major biochemical potential
err2024-09-25
err1
PREAI
errPilorget, C.; Baklouti, D.; Bibring, J. -p.; Brunetto, R.; Ito, M.; Franchi, I.; Tomioka, N.; Uesugi, M.; Yamaguchi, A.; Greenwood, R.; Okada, T.; Usui, T.; Yada, T.; Hatakeda, K.; Yogata, K.; Loizeau, D.; Le Pivert-Jolivet, T.; Jiang, T.; Carter, J.; Hamm, V.; Abe, M.; Aleon-Toppani, A.; Borondics, F.; Enokido, Y.; Hitomi, Y.; Imae, N.; Karouji, Y.; Kumagai, K.; Kimura, M.; Langevin, Y.; Lantz, C.; Liu, M. -c.; Mahlke, M.; Miyazaki, A.; Mughal, Z.; Nagashima, K.; Nakano, A.; Nakata, A.; Nakato, A.; Nishimura, M.; Ohigashi, T.; Ojima, T.; Poulet, F.; Riu, L.; Shirai, N.; Sugiyama, Y.; Tahara, R.; Uesugi, K.; Yasutake, M.; Yuzawa, H.; Moussi-Soffys, A.; Nakazawa, S.; Saiki, T.; Terui, F.; Yoshikawa, M.; Tanaka, S.; Watanabe, S.; Tsuda, Y.
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Breunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu
err2024-09-05
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errOAAI
errYoshimura, Toshihiro; Araoka, Daisuke; Naraoka, Hiroshi; Sakai, Saburo; Ogawa, Nanako O.; Yurimoto, Hisayoshi; Morita, Mayu; Onose, Morihiko; Yokoyama, Tetsuya; Bizzarro, Martin; Tanaka, Satoru; Ohkouchi, Naohiko; Koga, Toshiki; Dworkin, Jason P.; Nakamura, Tomoki; Noguchi, Takaaki; Okazaki, Ryuji; Yabuta, Hikaru; Sakamoto, Kanako; Yada, Toru; Nishimura, Masahiro; Nakato, Aiko; Miyazaki, Akiko; Yogata, Kasumi; Abe, Masanao; Okada, Tatsuaki; Usui, Tomohiro; Yoshikawa, Makoto; Saiki, Takanao; Tanaka, Satoshi; Terui, Fuyuto; Nakazawa, Satoru; Watanabe, Sei-ichiro; Tsuda, Yuichi; Tachibana, Shogo; Takano, Yoshinori
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A Technique for Retrieving the Exospheric Number Density Distribution from Pickup Ion Ring Distributions
err2024-08-23
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errOAAI
errMasunaga, Kei; Terada, Naoki; Leblanc, Francois; Harada, Yuki; Hara, Takuya; Sakai, Shotaro; Yokota, Shoichiro; Seki, Kanako; Yamazaki, Atsushi; McFadden, James. P.; Usui, Tomohiro
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Synthesis of 13C-depleted organic matter from CO in a reducing early Martian atmosphere
err2024-05-09
err2
errOAAI
errUeno, Yuichiro; Schmidt, Johan A.; Johnson, Matthew S.; Zang, Xiaofeng; Gilbert, Alexis; Kurokawa, Hiroyuki; Usui, Tomohiro; Aoki, Shohei
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Nonmagnetic framboid and associated iron nanoparticles with a space-weathered feature from asteroid Ryugu
err2024-04-29
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errOAAI
errKimura, Yuki; Kato, Takeharu; Anada, Satoshi; Yoshida, Ryuji; Yamamoto, Kazuo; Tanigaki, Toshiaki; Akashi, Tetsuya; Kasai, Hiroto; Kurosawa, Kosuke; Nakamura, Tomoki; Noguchi, Takaaki; Sato, Masahiko; Matsumoto, Toru; Morita, Tomoyo; Kikuiri, Mizuha; Amano, Kana; Kagawa, Eiichi; Yada, Toru; Nishimura, Masahiro; Nakato, Aiko; Miyazaki, Akiko; Yogata, Kasumi; Abe, Masanao; Okada, Tatsuaki; Usui, Tomohiro; Yoshikawa, Makoto; Saiki, Takanao; Tanaka, Satoshi; Terui, Fuyuto; Nakazawa, Satoru; Yurimoto, Hisayoshi; Okazaki, Ryuji; Yabuta, Hikaru; Naraoka, Hiroshi; Sakamoto, Kanako; Watanabe, Sei-ichiro; Tsuda, Yuichi; Tachibana, Shogo
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