Issued Patents All Time
Showing 101–125 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 5586093 | Recording device capable of reading out data from a disk for editing and recording back to the disk | Kazuhiko Honda | 1996-12-17 |
| 5583613 | Image forming system | Kazunori Kobayashi, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshikazu Sasago +1 more | 1996-12-10 |
| 5574098 | Lactone-modified polyvinyl acetal resin and process for the preparation thereof | Toshio Endo, Takaaki Fujiwa, Tomohisa Isobe | 1996-11-12 |
| 5561504 | Process cartridge, method for assembling same and image forming system with self-regulating liquid seal feature | Tadayuki Tsuda, Isao Ikemoto | 1996-10-01 |
| 5510878 | Process cartridge and image forming system | Shinya Noda, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshikazu Sasago +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, Yoshikazu Sasago, Yasushi Shimizu +2 more | 1996-01-30 |
| 5475467 | Sealing member, and process cartridge and image forming apparatus using same | Yoshikazu Sasago, Shinya Noda, Kazumi Sekine | 1995-12-12 |
| 5475058 | Composition of polyamide, polyester and glycidyl vinylic copolymer | Hiroo Horiuchi, Mitsuo Wada, Naoki Wakita | 1995-12-12 |
| 5475470 | Process cartridge and image forming system on which the process cartridge is mountable using a handgrip | Yoshikazu Sasago, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, 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, Yoshikazu Sasago +4 more | 1995-11-28 |
| 5465136 | Image forming apparatus and process cartridge detachable thereto with charging member pressure contact release feature | — | 1995-11-07 |
| 5463446 | Rotary member a process cartridge and an assembling method for rolling members | Shinichi Sasaki, Isao Ikemoto, Shigeo Miyabe, Shinya Noda | 1995-10-31 |
| D362014 | Developing device for copying machine | Masaaki Ishibashi | 1995-09-05 |
| 5404198 | Process cartridge and image forming apparatus | Shinya Noda, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshikazu Sasago +2 more | 1995-04-04 |
| D353616 | Developing device for copying machine | Masaaki Ishibashi, Tadayuki Tsuda | 1994-12-20 |
| 5373057 | Resin composition and copolymer | Akihiro Inozuka | 1994-12-13 |
| 5345294 | Process cartridge and image forming apparatus using same | Yoshiya Nomura, Tadayuki Tsuda, Isao Ikemoto, Kazuhiko Ishiwata, Makoto Tanaka +2 more | 1994-09-06 |
| 5331372 | Process cartridge and image forming apparatus on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Yoshikazu Sasago, Shinya Noda +2 more | 1994-07-19 |
| 5317066 | Polyester-grafted polyamide, process for preparing the same, and thermoplastic resin composition containing the same | Katsuhiko Sumida | 1994-05-31 |