Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5212906 | Liquid culture apparatus | Masahiro Sei, Hiroshi Abe | 1993-05-25 |
| 4807216 | Recording disc playback apparatus | Ichiro Kawamura, Yoshitaka Fujioka, Tetsuo Yoshikane | 1989-02-21 |
| 4802155 | Recording disc playback apparatus | Ichiro Kawamura, Yoshitaka Fujioka, Tetsuo Yoshikane | 1989-01-31 |
| 4286935 | Earth and sand conveyor system | Takashi Takeuchi, Akihiko Tsuzuku, Masao Tanazawa, Minoru Nakajima, Haruo Imamura | 1981-09-01 |
| 4218696 | Video signal compensation system | Fusao Ushio | 1980-08-19 |
| 4189745 | Defect detecting apparatus | Fusao Ushio | 1980-02-19 |