Machine Learning Based Skill-Level Classification for Personal Mobility Devices Using Only Operational Characteristics. - Yifan Huang; Taiga Mori; Udara E. Manawadu; Mitsuhiro Kamezaki; Tatsuya Ishihara; Masahiro Nakano; Kohjun Koshiji; Naoki Higo; Toshimitsu Tubaki; Shigeki Sugano (IROS, 2018)

Finding SRLG-Disjoint Primary and Backup Route Pairs using k-SPF algorithm in Optical Networks. - Hiroshi Matsuura; Kohjun Koshiji; Hanami Yokoi; Tatsuya Matsukawa; Takayuki Fujii (GLOBECOM, 2023)

Energy Efficient Multi-band Optical Networks Using Inter-Band All-Optical Wavelength Converters. - Takashi Miyamura; Tatsuya Matsukawa; Kohjun Koshiji; Takeshi Seki; Rie Hayashi; Takeshi Kuwahara (HPSR, 2024)

Extension of the k-SPF algorithm for finding SRLG-disjoint primary and backup route pairs in optical networks. - Hiroshi Matsuura; Kohjun Koshiji; Hanami Yokoi; Tatsuya Matsukawa; Takayuki Fujii (J. Opt. Commun. Netw., 2024)

Exploring High-Precision Transmission of Optical Reference Frequencies via Wavelength Division Multiplexing. - Kota Nishiyama; Mayuri Nakagawa; Kohjun Koshiji; Masahiro Nakagawa; Hiromitsu Imai; Kenichi Hitachi; Tomoya Akatsuka; Katsuya Oguri; Rie Hayashi (HPSR, 2025)