Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882257 | Electrophotographic device | Akio Maruyama, Yuichi Hashimoto | 1989-11-21 |
| 4853736 | Image forming apparatus | Koji Goto | 1989-08-01 |
TS
Teigo Sakakibara
Overall (1989): #14,577 of 140,708Top 15%
2
Patents 1989