Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659847 | Process cartridge having positioning member for positioning optical device | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Shinya Noda +1 more | 1997-08-19 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Shinya Noda +9 more | 1997-04-22 |
| 5608509 | Process cartridge with blade member having a flat-surface side and an angled-surface side | Hiroyuki Shirai, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1997-03-04 |
| 5602623 | Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum | Atsushi Nishibata, Morikazu Mizutani, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto +4 more | 1997-02-11 |
| 5583613 | Image forming system | Kazunori Kobayashi, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +1 more | 1996-12-10 |
| 5510878 | Process cartridge and image forming system | Shinya Noda, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +2 more | 1996-04-23 |
| 5488459 | Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yasushi Shimizu +2 more | 1996-01-30 |
| 5475467 | Sealing member, and process cartridge and image forming apparatus using same | Kazushi Watanabe, Shinya Noda, Kazumi Sekine | 1995-12-12 |
| 5475470 | Process cartridge and image forming system on which the process cartridge is mountable using a handgrip | Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Shinya Noda +1 more | 1995-12-12 |
| 5470635 | Blade member having a flat-surface side and an angled-surface side | Hiroyuki Shirai, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +4 more | 1995-11-28 |
| 5404198 | Process cartridge and image forming apparatus | Shinya Noda, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +2 more | 1995-04-04 |
| 5331372 | Process cartridge and image forming apparatus on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Shinya Noda +2 more | 1994-07-19 |