Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538176 | Buffer memory dispersion type video/audio transmission system | Hirohito Nakajima, Yoji Shibata, Wataru Kosuge | 1985-08-27 |
| 4295154 | Digital video and audio file system | Hidetoh Hata, Kazushige Sako, Yoji Shibata, Masahiko Achiha | 1981-10-13 |