Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905930 | Image forming apparatus | Toshimasa Toyama, Toshio Hino, Yoshihiro Tonomoto, Masaaki Ohyama, Naoto Hirao +3 more | 1999-05-18 |
| 5887236 | Image forming apparatus | Naoto Hirao, Yoshihiro Tonomoto, Toshimasa Toyama, Masaaki Ohyama, Kiyoshi Chinzei +1 more | 1999-03-23 |