Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856090 | Light communication equipment | Atsuyoshi Sasai, Hirokimi Shimizu | 1989-08-08 |
| 4698688 | Image processing system | Hiroshi Ochi, Nobuji Tetsutani, Tetsuji Yamamoto, Asao Watanabe | 1987-10-06 |