Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922301 | Rotary multicolor developing apparatus | Shunji Katoh, Noriyuki Kimura, Yoshihiro Sakai | 1990-05-01 |
| 4601967 | Toner particles having a relatively high specific volume resistivity coating layer | Akira Suzuki, Kazuo Kobayashi | 1986-07-22 |