Optical Fiber Feeder for Microcellular Mobile Communication Systems (H-015). - Makoto Shibutani; Toshihito Kanai; Watani Domom; Katsumi Emura; Junji Namiki (IEEE J. Sel. Areas Commun., 1993)

A Gigabit-to-the-Home (GTTH) System for Future Broadband Access Infrastructure. - Makoto Shibutani; H. Ishikawa; Hiroshi Tezuka; Watani Domon; Masaaki Soda; Katsumi Emura (ICC (2), 1997)

A transparent hybrid fiber/copper approach to enlarge the service area of digital subscriber line. - Makoto Shibutani; H. Ishikawa; A. Kanazawa; Katsumi Emura (GLOBECOM, 2000)

Next-generation optical networks as a value creation platform. - Botaro Hirosaki; Katsumi Emura; Shin-ichiro Hayano; Hiroyuki Tsutsumi (IEEE Commun. Mag., 2003)