Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679277 | Full length interlocking hinge for a folding door | — | 1987-07-14 |
| 4538176 | Buffer memory dispersion type video/audio transmission system | Hirohito Nakajima, Katsumi Haji, Wataru Kosuge | 1985-08-27 |
| 4518989 | Buffer memory dispersion type video/audio transmission system with spatially and timewise divided inter-office junction lines | Akira Yabiki, Norio Imanishi, Wataru Kosuge, Nobumichi Yukawa | 1985-05-21 |
| 4389310 | Cold trap | Katsumi Seki, Yasuo Tachi | 1983-06-21 |
| 4295154 | Digital video and audio file system | Hidetoh Hata, Katsumi Haji, Kazushige Sako, Masahiko Achiha | 1981-10-13 |
| 4251691 | Picture/audio signal transmission system | Hideto Kakihara, Kenichi Hiratsuka, Wataru Kosuge | 1981-02-17 |