Issued Patents All Time
Showing 76–100 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802431 | Collapsible toner container | Toshiaki Nagashima, Tadayuki Tsuda, Kazuo Chadani | 1998-09-01 |
| 5781831 | Developing apparatus, process cartridge, image forming apparatus and assembly method for process cartridges | Hiroomi Matsuzaki, Toshiyuki Karakama | 1998-07-14 |
| 5761584 | Process cartridge toner supply container mountable onto toner accommodating container and toner supply method | Tadayuki Tsuda, Kazuyoshi Odagawa, Atsushi Kubota, Shinichi Sasaki, Isao Ikemoto | 1998-06-02 |
| 5708925 | Developing agent supply container, process cartridge, and electrophotographic image forming apparatus | Kazumi Sekine, Shinichi Sasaki, Isao Ikemoto | 1998-01-13 |
| 5669042 | Image forming system having means to support at least one component of a process cartridge | Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +2 more | 1997-09-16 |
| 5659847 | Process cartridge having positioning member for positioning optical device | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +1 more | 1997-08-19 |
| 5655181 | Toner accommodation container, process cartridge and electrophotographic image forming apparatus | Kazuo Chadani, Tadayuki Tsuda | 1997-08-05 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +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 | Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +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, Yoshikazu Sasago +2 more | 1996-01-30 |
| 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, Kazushi Watanabe +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 |
| 5455665 | Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same | Mutsumi Baba, Takeo Shoji, Toshiyuki Karakama, Toru Oguma | 1995-10-03 |
| 5404198 | Process cartridge and image forming apparatus | Shinya Noda, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +2 more | 1995-04-04 |
| 5379762 | Mouthpiece unit of diving respirator | — | 1995-01-10 |
| 5331372 | Process cartridge and image forming apparatus on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +2 more | 1994-07-19 |
| 5323773 | Throttle valve of diving respirator | — | 1994-06-28 |
| 5247283 | Method for testing smoke sensor and a smoke sensor having a function of executing the test | Takeshi Sato | 1993-09-21 |
| 5245452 | Active matric drive liquid crystal display device using polycrystalline silicon pixel electrodes | Akira Nakamura, Kohji Senda, Eiji Fujii, Fumiaki Emoto, Yasuhiro Uemoto +1 more | 1993-09-14 |
| 5221586 | Power generation system using fuel cells | Hiromasa Morimoto, Hiroyoshi Uematsu, Satoshi Hatori, Tomoji Hikita, Kenichi Shinozaka +1 more | 1993-06-22 |
| 5094926 | Electric power producing system using molten carbonate type fuel cell | Toshiaki Yoshida | 1992-03-10 |
| 5082752 | Power generation system using molten carbonate fuel cell | Minoru Koga, Takenori Watanabe, Toshio Kamata, Satoshi Morishima, Minoru Mizusawa | 1992-01-21 |