Issued Patents All Time
Showing 76–100 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022550 | Crosslinkable polymer composition, molded article therefrom, process for the preparation thereof, crosslinked nonwoven cloth, and process for the preparation thereof | — | 2000-02-08 |
| 6016413 | Assembling method of process cartridge, assembling method and process cartridge | Katsunori Yokoyama, Atsushi Numagami | 2000-01-18 |
| 6006058 | Process cartridge and electrophotographic image forming apparatus having an improved driving system | Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Atsushi Numagami, Katsunori Yokoyama | 1999-12-21 |
| 5987278 | Process cartridge and image forming apparatus usable therewith | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Hiroyuki Shirai +1 more | 1999-11-16 |
| 5966568 | Process cartridge, assembling method of process cartridge, assembling method of toner container and electrophotographic image forming apparatus | Atsushi Numagami, Katsunori Yokoyama | 1999-10-12 |
| 5937242 | Process cartridge and electrophotographic image forming apparatus | Katsunori Yokoyama, Atsushi Numagami | 1999-08-10 |
| 5937239 | Process cartridge and electrophotographic image forming apparatus | Seiji Uchiyama, Yoshihiro Ito, Atsushi Numagami, Katsunori Yokoyama | 1999-08-10 |
| 5926672 | Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum | Atsushi Nishibata, Morikazu Mizutani, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto +4 more | 1999-07-20 |
| 5907749 | Process cartridge and image forming apparatus usable therewith | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Hiroyuki Shirai +1 more | 1999-05-25 |
| 5903803 | Process cartridge, electrophotographic image forming apparatus, driving force transmission part, and electrophotographic photosensitive drum | Toshiharu Kawai, Yoshihiro Ito | 1999-05-11 |
| 5889140 | Cross-linkable or curable polylactone composition, cross-linked or cured molding made therefrom and process for the production thereof | — | 1999-03-30 |
| 5884124 | Dip sheet adhering method, cleaning device, process and image forming apparatus | Toshiyuki Karakama, Takeo Shoji | 1999-03-16 |
| 5878304 | Process cartridge having shiftable cover with inner protrusion | Tadayuki Tsuda, Hiroyuki Shirai, Teruo Komatsu, Ikuo Ikemori | 1999-03-02 |
| 5828929 | Image forming system and process cartridge having particular arrangement of electrical contacts | Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Yoshimasu Yamaguchi, Yoshikazu Sasago +2 more | 1998-10-27 |
| 5828928 | Process cartridge mountable in an image forming system and a method for assembling a cleaning device | Yoshikazu Sasago, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Shinya Noda +10 more | 1998-10-27 |
| 5809374 | Process cartridge including a seal member formed from a liquid-foam material | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Akira Higeta, Nobuharu Hoshi | 1998-09-15 |
| 5794101 | Process cartridge with seal members | Yoshikazu Sasago, Toshiyuki Karakama | 1998-08-11 |
| 5790923 | Developing apparatus | Toru Oguma, Atsushi Numagami | 1998-08-04 |
| 5786408 | Biodegradable polyester resin composition, and a biodegradable molded article | Takayuki Kuroda, Masahiko Ono, Terumasa Daito | 1998-07-28 |
| 5777027 | Curable resin composition which comprises a lactone-modified polyvinyl acetal resin | Toshio Endo, Takaaki Fujiwa, Tomohisa Isobe | 1998-07-07 |
| 5768658 | Electrode member, developing apparatus, process cartridge and image forming apparatus | Atsushi Numagami, Tsutomu Nishiuwatoko, Koji Miura, Kazuhiko Kanno, Toru Oguma | 1998-06-16 |
| 5712334 | Lacton-modified polyvinyl alcohol and permanently anti-static resin composition | Takaaki Fujiwa, Tomohisa Isobe, Hiroshi Sagane | 1998-01-27 |
| 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 |