Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698284 | Optical recording medium | Hachiro Saito, Seiichi Nishikawa, Tetsuo Komori | 1997-12-16 |
| 5679440 | Optical card | — | 1997-10-21 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Takeshi Setoriyama, Chitose Tenpaku +9 more | 1997-05-27 |
| 5621451 | Image forming apparatus | Yoshinori Sugiura, Noriyoshi Ishikawa, Takeshi Setoriyama, Chitose Tenpaku, Tatsuo Hamada +8 more | 1997-04-15 |