Design of Photonic ATM Switch and a Rack-Mounted Prototype. - Tohru Matsunaga; Keishi Habara; Akira Misawa; Yoshiaki Yamada; Toru Okugawa; Masato Tsukada; Shigeki Hino; Koji Sasayama; Ken-ichi Yukimatsu (ICC (3), 1997)

Optical output buffered ATM switch prototype based on FRONTIERNET architecture. - Yoshiaki Yamada; Koji Sasayama; Keishi Habara; Akira Misawa; Masato Tsukada; Tohru Matsunaga; Ken-ichi Yukimatsu (IEEE J. Sel. Areas Commun., 1998)

Enhancing Security Functionality on Open Router Architecture. - Michihiro Aoki; Takafumi Hamano; Takeshi Miyasaka; Kentaro Ogawa; Masaaki Inami; Keishi Habara; Shinichiro Chaki (Security and Management, 2005)

ATCA-Based Open-Architecture Router Prototype. - Michihiro Aoki; Keishi Habara; Takafumi Hamano; Kentaro Ogawa; Shinichiro Chaki (IEICE Trans. Commun., 2006)