Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854145 | Lock device for equipment loaded to vehicle | Hisao Arai, Keisuke Sonehara, Satoshi Yasumura | 1989-08-08 |
| 4796561 | Electrophotographic developing device having a shaped doctor board | Yasuo Takano, Hiroyoshi Tokoro, Masato Yamada, Toshimitsu Harada, Kensei Hosoya | 1989-01-10 |