Performance evaluation of adaptive zone configuration system. - Naoki Ichikawa; Ami Kanazawa; Hiroshi Harada; Shoji Shinoda (PIMRC, 1998)

Comparison of CDMA and FDMA/TDMA in non-GEO satellite systems. - Naoki Ichikawa; Masaaki Katayama; Hiraku Okada; Takaya Yamazato; Akira Ogawa (ICC, 2001)

Development of assembly system with quick and low-cost installation. - Masanari Tennomi; Atsushi Okamura; Yuta Nakamura; Taiki Abe; Seiji Wakamatsu; Sho Tajima; Toshihiro Nishimura; Yuji Hirai; Takuro Sawada; Naoki Ichikawa; Tokuo Tsuji; Kimitoshi Yamazaki; et al. (Adv. Robotics, 2020)