Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881067 | Image forming apparatus and method | Osamu Watanabe, Kosuke Komatsu, Masaichi Ishibashi, Shinsuke Koyama, Takahiro Fujimori +2 more | 1989-11-14 |
| 4821293 | Digital phase locked loop circuit | Kazutoshi Shimizume | 1989-04-11 |