Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9547272 | Cleaning blade and cleaning device | Shingo Ito, Kenji Karashima, Tomohiro Tanoue, Masahiro Watabe | 2017-01-17 |
| 9541887 | Cleaning blade, process cartridge, and electrophotographic apparatus | Masanobu Nakajima, Norihiko Kubo, Hisataka Hisakuni, Kenji Karashima | 2017-01-10 |
| 9170556 | Cleaning blade, method for manufacturing cleaning blade, process cartridge, and electrophotographic apparatus | Kenji Karashima, Tomohiro Tanoue, Masahiro Watabe, Shingo Ito | 2015-10-27 |
| 9037069 | Method for producing cleaning blade | Masahiro Watabe, Tomohiro Tanoue | 2015-05-19 |
| 9026027 | Cleaning blade, process cartridge, electrophotographic apparatus, and polyester urethane rubber | Tomohiro Tanoue, Masahiro Watabe | 2015-05-05 |
| 8530129 | Image forming method | Masayuki Hama, Masaharu Miura | 2013-09-10 |
| 7280785 | Image forming apparatus | Hiroaki Kawakami, Noriyoshi Umeda | 2007-10-09 |
| 7177581 | Image forming apparatus | Hiroaki Kawakami, Noriyoshi Umeda | 2007-02-13 |
| 7060406 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Toshiyuki Ehara, Junichiro Hashizume, Ryuji Okamura +2 more | 2006-06-13 |
| 6846600 | Electrophotographic photosensitive member, process for its production, and electrophotographic apparatus | Toshiyuki Ehara, Junichiro Hashizume, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura +2 more | 2005-01-25 |
| 6764800 | Image forming process, and photosensitive member employed therefor | Koji Yamazaki, Hiroyuki Kobayashi, Tetsuya Karaki, Hironori Owaki | 2004-07-20 |
| 6636715 | Photosensitive member and image forming apparatus having the same | Kunimasa Kawamura, Koji Yamazaki, Toshiyuki Ehara, Tetsuya Karaki, Hironori Owaki | 2003-10-21 |
| 6605405 | Electrophotographic method and electrophotographic apparatus | Hironori Owaki, Toshiyuki Ehara, Yuji Nakayama, Takaaki Kaya, Tetsuya Karaki | 2003-08-12 |
| 6586149 | Light-receiving member, image-forming apparatus, and image-forming method | Kunimasa Kawamura, Shigenori Ueda, Toshiyuki Ehara, Junichiro Hashizume, Ryuji Okamura +2 more | 2003-07-01 |
| 6556233 | Electrophotographic apparatus and electrophotographic method featuring a photosensitive member having a linear EV characteristic | Toshiyuki Ehara, Yuji Nakayama, Hironori Owaki | 2003-04-29 |
| 6534228 | Electrophotographic photosensitive member and image forming apparatus | Toshiyuki Ehara, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-18 |
| 6531253 | Electrophotographic photosensitive member and apparatus using same | Toshiyuki Ehara, Koji Yamazaki, Tetsuya Karaki, Hironori Ohwaki, Kunimasa Kawamura | 2003-03-11 |
| 6529223 | Image forming apparatus with light beam control | Hironori Ohwaki, Toshiyuki Ehara | 2003-03-04 |
| 6333755 | Electrophotographic apparatus | Toshiyuki Ehara, Hironori Ohwaki | 2001-12-25 |
| 6330412 | Electrophotographic apparatus | Koji Yamazaki, Yuji Nakayama, Hironori Ohwaki | 2001-12-11 |
| 6272301 | Image forming apparatus featuring a rotatable electroconductive foam member | Toshiyuki Ehara, Harumi Ishiyama | 2001-08-07 |
| 6240269 | Image forming apparatus having a photosensitive member of amorphous silicon base and system for exposing and charging the photosensitive member | Takaaki Kaya, Tetsuya Karaki, Toshiyuki Ehara, Yuji Nakayama | 2001-05-29 |
| 6233417 | Image forming apparatus | Yuji Nakayama, Koji Yamazaki, Takaaki Kaya, Hironori Owaki | 2001-05-15 |
| 6226479 | Electrophotographic photosensitive member and image forming apparatus | Tetsuya Karaki, Yuji Nakayama, Takaaki Kaya | 2001-05-01 |
| 6171742 | Photosensitive member to be used for image-forming apparatus and image-forming apparatus comprising such photosensitive member | Takaaki Kaya, Tetsuya Karaki | 2001-01-09 |