Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7164617 | Memory control apparatus for synchronous memory unit with switched on/off clock signal | — | 2007-01-16 |
| 7122868 | Semiconductor integrated circuit device | — | 2006-10-17 |
| 6240272 | Image forming apparatus for controlling applied voltage to separation charger | — | 2001-05-29 |
| 6201942 | Developer-carrying member, and developing device and image forming apparatus including the member | Nobuaki Hara, Hatsuo Tajima, Tsuyoshi Watanabe, Keitaro Yamashita, Hiromi Kashiwagi | 2001-03-13 |
| 6198491 | Electrophotographic image forming apparatus | — | 2001-03-06 |
| 6178306 | Developer bearing body electroless plated on blasted surface using spherical particles, production method therefor and developing apparatus using the same | Yoshito Mizoguchi, Kazuo Suzuki, Nobuaki Hara | 2001-01-23 |
| 6157794 | System to reduce mixing of toner and magnetic carrier | Toru Katsumi | 2000-12-05 |
| 6119211 | Circuit for controlling writing data into memory and allowing concurrent reset generation and writing data operation | Shigeharu Kaneko | 2000-09-12 |
| 6104903 | Developing device | Nobuaki Hara, Yoshito Mizoguchi, Kazuo Suzuki | 2000-08-15 |
| 5983045 | Image forming apparatus for forming plural toner images on photosensitive member and for transferring toner images onto transfer material collectively | Kazuo Suzuki, Yoshito Mizoguchi, Nobuaki Itakura | 1999-11-09 |
| 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 | Makoto Yanagida, Fumihiro Arahira, Takeo Yamamoto | 1997-12-23 |
| 5671468 | Charging member and image forming apparatus having contact charging member | Takeo Yamamoto, Tetsuya Kuribayashi, Fumihiro Arahira, Hiroyuki Osada | 1997-09-23 |
| 5636009 | Image forming apparatus having charging member | Tsuyoshi Watanabe, Tadashi Ishikawa, Masanori Muramatsu, Isamu Sato, Makoto Yanagida +2 more | 1997-06-03 |
| 5418605 | Charging device and image forming apparatus | Fumihiro Arahira, Tsuyoshi Watanabe, Makoto Yanagida | 1995-05-23 |
| 4941019 | Apparatus for developing electrostatic latent image | Yoshiaki Kobayashi | 1990-07-10 |
| 4870461 | Developing device and developer carrying member usable therewith | Tsuyoshi Watanabe | 1989-09-26 |