Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7840152 | Image forming apparatus, process cartridge, cleaning system, and image forming apparatus with cleaning system | Koji Suzuki, Shigekazu Enoki, Osamu Ariizumi, Kumiko Hatakeyama | 2010-11-23 |
| 7639957 | Image forming apparatus including controller to detect condition of image developer | Shinji Kato, Koji Suzuki, Shigekazu Enoki, Wakako Murakami, Kumiko Hatakeyama | 2009-12-29 |
| 7548349 | Image forming apparatus to prevent toner deformation | Mitsuo Aoki, Bing Shu, Koji Suzuki, Shigeru Watanabe, Tadashi Kasai +1 more | 2009-06-16 |
| 7515860 | Image forming method and image forming apparatus for same | Koji Suzuki, Mitsuo Aoki, Bing Shu, Setsuo Soga, Tadashi Kasai +1 more | 2009-04-07 |
| 7499664 | Image processing apparatus, process cartridge, and cleaning system with residual toner retaining unit | Koji Suzuki, Shigekazu Enoki, Osamu Ariizumi, Kumiko Hatakeyama | 2009-03-03 |
| 7315711 | Image forming apparatus, process cartridge and cleaningless system | Osamu Ariizumi, Masahide Yamashita, Koji Suzuki, Shigekazu Enoki, Kumiko Hatakeyama +3 more | 2008-01-01 |
| 7273688 | Image forming method and image forming apparatus for same | Koji Suzuki, Mitsuo Aoki, Bing Shu, Setsuo Soga, Tadashi Kasai +1 more | 2007-09-25 |
| 7218879 | Image forming apparatus controlling polarity of residual toner and process cartridge for use in the same | Shigekazu Enoki, Koji Suzuki, Osamu Ariizumi, Kumiko Hatakeyama, Koichi Kato +3 more | 2007-05-15 |
| 7162187 | Image forming apparatus and image forming method | Mitsuo Aoki, Bing Shu, Setsuo Soga, Koji Suzuki, Yutaka Takahashi +1 more | 2007-01-09 |
| 7150954 | Image forming method and toner for use in the method | Mitsuo Aoki, Kumi Hasegawa, Toshiaki Higaya, Yutaka Takahashi, Tadashi Kasai | 2006-12-19 |
| 7125638 | Image forming method and image forming apparatus for same | Koji Suzuki, Mitsuo Aoki, Bing Shu, Setsuo Soga, Tadashi Kasai +1 more | 2006-10-24 |
| 6934484 | Image-forming apparatus and image-forming method | Koji Suzuki, Mitsuo Aoki, Hiroto Higuchi, Shinya Nakayama, Maiko Kondo +3 more | 2005-08-23 |
| 6899986 | Image forming method and toner for use in the method | Mitsuo Aoki, Kumi Hasegawa, Toshiaki Higaya, Yutaka Takahashi, Tadashi Kasai | 2005-05-31 |
| 6835517 | Toner, developer and image forming method using the toner | Maiko Kondo, Yasuaki Iwamoto, Fumihiro Sasaki, Hiroto Higuchi, Bing Shu | 2004-12-28 |
| 5508787 | Method and apparatus for controlling process condition for image formation | Shin Hasegawa | 1996-04-16 |
| 5400127 | Toner recovery system which detects linear movement of a recovered toner transporter | Makoto Arai, Toshitaka Yamaguchi, Yoshiyuki Tanimoto | 1995-03-21 |
| 5387965 | Toner concentration control method | Shin Hasegawa, Shinji Kato | 1995-02-07 |
| 5327196 | Image forming method | Shinji Kato, Shin Hasegawa | 1994-07-05 |
| 5049939 | Method of controlling image formation in image generating apparatus | — | 1991-09-17 |
| 5038175 | Image density control method | Norimasa Sohmiya, Kazunori Karasawa | 1991-08-06 |
| 5006896 | Image density control method for an image forming apparatus | Norimasa Sohmiya, Kazunori Karasawa | 1991-04-09 |
| 4962394 | Toner density control device for an image recorder | Norimasa Sohmiya, Kazunori Karasawa | 1990-10-09 |
| 4885466 | Corona wire cleaning device utilizing a position detection system | Haruzi Mizuishi, Mutuko Funaki, Tetsuya Fujioka | 1989-12-05 |
| 4885612 | Cleaning device for an image forming apparatus | Tsumori Satoh | 1989-12-05 |
| 4734737 | Control of toner concentration in a developer | — | 1988-03-29 |