Image data compression based on interpolative dpcm by area decomposition. - Akihiko Machizawa; Mamoru Tanaka (Syst. Comput. Jpn., 1986)

Offset adjustment to reduce coding error of interpolative DPCM. - Akihiko Machizawa (Syst. Comput. Jpn., 1996)

On the Delay and Quality of DV Transmission Systems Using ATM Networks. - Akihiko Machizawa; Kazunori Sugiura; Takahiro Komine; Haruo Okazawa; Shin-ichi Nakagawa (ICOIN, 2001)

Development of "High Presence" Video Communication System - Trial Experiment of the Next Generation Real-Time Remote Lecture. - Takahiro Komine; Akihiko Machizawa; Shin-ichi Nakagawa; Fumito Kubota; Yasuo Tan (ICOIN (2), 2002)

JGN IPv6 Network. - Kazumasa Kobayashi; Kazuhiko Nakamura; Hisayoshi Hayashi; Yoshinori Kitatsuji; Satoshi Katsuno; Yukiji Mikamo; Akihiko Machizawa; Hiroshi Esaki (SAINT Workshops, 2003)