Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926672 | Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum | Morikazu Mizutani, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1999-07-20 |
| 5602623 | Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum | Morikazu Mizutani, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1997-02-11 |