Yosuke Minowa, Yusei Koyama, Masayuki Akiyama, Sadman Ali, Takamasa Bando, Joshua Carter, David E. Chandler, Chi-Yi Chou, Jesse Cranney, Céline D'Orgeville, et al. Project overview and update on ULTIMATE-Subaru: the next-generation wide-field AO instrument for the Subaru telescope. Ground-based and Airborne Instrumentation for Astronomy X. 2024. 46-46
Mona El Morsy, Julien Lozi, Olivier Guyon, Thayne Currie, Sébastien Vievard, Julia Bryant, Chihiro Tokoku, Vincent Deo, Kyohoon Ahn, Fred Crous, et al. Exo-NINJA at Subaru: fiber-fed spectro-imaging of exoplanets and circumstellar disks at R~4000. Ground-based and Airborne Instrumentation for Astronomy X. 2024
Kenshi Yanagisawa, Chihiro Tokoku, Kentaro Motohara, Shinobu Ozaki, Yoshito Ono, Yosuke Minowa, Takashi Moriya, Masami Ouchi, Nozomu Tominaga, Masayuki Tanaka, et al. Compensation of defective pixels by mechanical shift of an NIR array detector used in the NINJA echelle spectrograph. Ground-based and Airborne Instrumentation for Astronomy X. 2024
Ichi Tanaka, Noboru Ebizuka, Chihiro Tokoku, Takashi Hattori, Yusei Koyama, Kentaro Motohara, Michael Lemmen, Brian Elms, Koji Omata, Yosuke Minowa, et al. Development of novel high-efficiency and wideband medium-dispersion grisms for MOIRCS at Subaru Telescope. Ground-based and Airborne Instrumentation for Astronomy X. 2024
Keisuke Shinozaki, Yoichi Sato, Haruka Fukuoka, Chihiro Tokoku, Takao Nakagawa, Hiroyuki Sugita, Shoji Tsunematsu, Kenichi Kanao, Katsuhiro Narasaki. Cooling performance of Joule Thomson coolers with straight heat exchangers for space science missions. Cryogenics. 2022. 128. 103575-103575
NINJA : an LTAO assisted optical and near-infrared spectrograph of Subaru Telescope
(SPIE Astronomical Telescopes + Instrumentation, Ground-based and Airborne Instrumentation for Astronomy IX (Montreal, Quebec, Canada) 2022)