Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872037 | Image forming apparatus and control system therefor | Nobuo Kasahara, Tosio Nakahara, Tadahide Sawamura | 1989-10-03 |
| 4200388 | Toner density sensor for electrostatic copying machine | Mitsuo Hasebe, Mutsuo Watanabe, Kunio Hibi | 1980-04-29 |