Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697021 | Sealing member featuring a compressable seal portion, and process cartridge and image forming apparatus using same | Yoshikazu Sasago, Shinya Noda, Kazumi Sekine | 1997-12-09 |
| 5682579 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Hiroyuki Shirai +1 more | 1997-10-28 |
| 5669042 | Image forming system having means to support at least one component of a process cartridge | Kazunori Kobayashi, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshikazu Sasago +2 more | 1997-09-16 |
| 5659847 | Process cartridge having positioning member for positioning optical device | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Yoshikazu Sasago, Shinya Noda +1 more | 1997-08-19 |
| 5640650 | Process cartridge including a spaced rolling members support feature and image forming apparatus using the same | Shinichi Sasaki, Isao Ikemoto, Shigeo Miyabe, Shinya Noda | 1997-06-17 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Yoshikazu Sasago, Shinya Noda +9 more | 1997-04-22 |
| 5612412 | Lactone-modified polyvinyl alcohol, a process for the preparation thereof | Takaaki Fujiwa, Tomohisa Isobe, Hiroshi Sagane | 1997-03-18 |
| 5608509 | Process cartridge with blade member having a flat-surface side and an angled-surface side | Hiroyuki Shirai, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshikazu Sasago +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 |