Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135263 | Toner | Hiroaki Kawakami, Masayuki Hama, Noriyoshi Umeda | 2006-11-14 |
| 6897001 | Toner and image forming method | Kiyoshi Mizoe, Tsuyoshi Takiguchi, Masanori Ito | 2005-05-24 |
| 6405007 | Magnetic particles for charging, process for producing the magnetic particles, and charging member, process cartridge and image-forming apparatus which have the magnetic particles | Shuichi Aita, Kiyoshi Mizoe | 2002-06-11 |
| 6285848 | Electrophotographic apparatus, image forming method, and process cartridge for developing an image with toner containing an external additive | Shuichi Aita, Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Kiyoshi Mizoe +1 more | 2001-09-04 |
| 6157801 | Magnetic particles for charging, charging member, charging device, process cartridge, and electrophotographic apparatus | Shuichi Aita, Kiyoshi Mizoe, Toshio Takamori | 2000-12-05 |
| 6026260 | Electrophotographic apparatus, image forming method and process cartridge | Shuichi Aita, Kiyoshi Mizoe, Toshio Takamori | 2000-02-15 |
| 5940662 | Charging apparatus and electrophotographic apparatus | Yoshifumi Hano, Shuichi Aita, Tsutomu Kukimoto, Tsuyoshi Takiguchi, Yuji Ishihara +1 more | 1999-08-17 |
| 5805961 | Charging member having bristless, process cartridge, and electrophotographic apparatus employing such a charging member | Kiyoshi Mizoe, Shuichi Aita, Yoshifumi Hano | 1998-09-08 |
| 5790926 | Charging member having a raised fiber-entangled material, and process cartridge and electrophotographic apparatus having the charging member | Kiyoshi Mizoe, Shuichi Aita, Yoshifumi Hano | 1998-08-04 |
| 5724632 | Charging apparatus and electrophotographic apparatus | Shuichi Aita, Tsutomu Kukimoto, Kiyoshi Mizoe, Yoshifumi Hano | 1998-03-03 |
| 5701551 | Image forming apparatus including control means for controlling an output from en electrical power source to a charging member for charging an image bearing member | Takao Honda, Makoto Yanagida, Takeo Yamamoto | 1997-12-23 |
| 5671468 | Charging member and image forming apparatus having contact charging member | Takeo Yamamoto, Tetsuya Kuribayashi, Takao Honda, Hiroyuki Osada | 1997-09-23 |
| 5636009 | Image forming apparatus having charging member | Takao Honda, Tsuyoshi Watanabe, Tadashi Ishikawa, Masanori Muramatsu, Isamu Sato +2 more | 1997-06-03 |
| 5418605 | Charging device and image forming apparatus | Tsuyoshi Watanabe, Takao Honda, Makoto Yanagida | 1995-05-23 |
| 5286917 | Apparatus for developing electrostatic latent image and developing roller therefor | Akira Unno, Hiroto Hasegawa | 1994-02-15 |