Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876983 | Plasma operation apparatus | Takuya Fukuda, Yasuhiro Mochizuki, Naohiro Momma, Shigeru Takahashi, Tadasi Sonobe +2 more | 1989-10-31 |
| 4876603 | Signal processing device for automatic-focusing video signal in electronically controlled photographic camera | Shigeo Toji, Yukio Uenaka | 1989-10-24 |
| 4868592 | Automatic focusing device | Shigeo Tohji | 1989-09-19 |
| 4853732 | Automatic focusing camera | Shigeo Toji | 1989-08-01 |