Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778786 | Toner replenishing container | Chujiro Yokoyama, Takeru Kinoshita | 2004-08-17 |
| D451949 | Toner bottle | Chujirou Yokoyama, Takeru Kinoshita | 2001-12-11 |
| 5587551 | Developing apparatus | Akihito Ikegawa, Kazuki Tsukamoto, Michiya Yamashita | 1996-12-24 |
| 5338895 | Developing apparatus | Akihito Ikegawa, Kazuki Tsukamoto, Michiya Yamashita | 1994-08-16 |