Issued Patents All Time
Showing 51–75 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623873 | Magnetic recording medium and magnetic disk apparatus using the same | Yoshibumi Matsuda, Yotsuo Yahisa, Yuzuru Hosoe, Akira Kato | 2003-09-23 |
| 6611611 | Particle sensor | Shoichi Oka, Masanori Hayashi, Shinji Kirihata, Takayuki Nishikawa, Takeshi Wada | 2003-08-26 |
| 6552664 | Method of fabricating a fire detector | Takayuki Nishikawa, Shinji Kirihata, Takeshi Wada, Yasuyuki Kawano, Shoichi Oka | 2003-04-22 |
| 6544667 | Magnetic recording medium, producing method of the same and magnetic recording system | Yuzuru Hosoe, Yoshibumi Matsuda, Yotsuo Yahisa, Kiwamu Tanahashi, Hiroyuki Suzuki +1 more | 2003-04-08 |
| 6372367 | Magnetic recording medium, method for producing the same and magnetic recording apparatus using the same | Yoshibumi Matsuda, Yotsuo Yahisa, Hiroyuki Suzuki, Yoko Ogawa, Hiroshi Tani +3 more | 2002-04-16 |
| 6342910 | Image forming apparatus to form smooth image with inconspicuous granularity | Noboru Sawayama | 2002-01-29 |
| 6197367 | Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage | Yoshibumi Matsuda, Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Tetsuya Kanbe | 2001-03-06 |
| 6122468 | Method and apparatus for forming toner images | Akio Kosuge | 2000-09-19 |
| 6038683 | Replicated controller and fault recovery method thereof | Kotaro Shimamura, Yuuichiro Morita, Yoshitaka Takahashi, Takashi Hotta, Hiroyasu Satou +3 more | 2000-03-14 |
| 5666275 | Control system for power conversion system | Haruhisa Inokuchi, Noriko Kawakami, Hirokazu Suzuki, Ken Suzuki | 1997-09-09 |
| 5606408 | Image forming apparatus and cleaning device therefor | Hidetoshi Yano, Hisashi Shoji, Tsukuru Kai, Osamu Endo, Yoshiko Ishii +5 more | 1997-02-25 |
| 5515145 | Color image forming apparatus having integral multiple length belt | Eiichi Sasaki, Koichi Noguchi, Minoru Suzuki, Hiroyuki Matsushiro, Tsuyoshi Deki +3 more | 1996-05-07 |
| 5445307 | Method of correcting the partially worn die mounting surfaces of the platens of a die casting machine | — | 1995-08-29 |
| 5440373 | Color image forming apparatus | Tsuyoshi Deki, Minoru Suzuki, Koichi Noguchi, Hiroyuki Matsushiro, Eiichi Sasaki +3 more | 1995-08-08 |
| 5289243 | Installation and removal structure of a developing unit and a toner cartridge in an image forming apparatus | — | 1994-02-22 |
| 5008711 | Image forming apparatus | Misao Tanzawa, Nobuo Iwata, Hisao Murayama, Susumu Takahashi, Kenya Komada | 1991-04-16 |
| 4943828 | Replacement of a cartridge usable with image forming equipment | Yoshiharu Manabe | 1990-07-24 |
| 4908661 | Holder device for handling an image carrier of an image forming apparatus | Nobuo Iwata, Misao Tanzawa | 1990-03-13 |
| 4899689 | Developing device with a developing roller and using a single-component developer and method for producing such developing roller | Fuchio Takeda, Kazuo Kobayashi | 1990-02-13 |
| 4896625 | Developing device | Toshio Kaneko, Wataru Yasuda, Fuchio Kanno | 1990-01-30 |
| 4862209 | Image forming apparatus having a removable image forming process kit | Misao Tanzawa | 1989-08-29 |
| 4862212 | Image forming apparatus | Misao Tanzawa, Mitsuru Satoh | 1989-08-29 |
| 4674439 | Developing device | Toshio Kaneko, Fuchio Kanno, Wataru Yasuda | 1987-06-23 |
| 4656964 | Developing device | Fuchio Kanno, Kazuo Kobayashi, Toshio Kaneko, Wataru Yasuda | 1987-04-14 |
| 4640129 | Method and apparatus for detecting toner concentration of two-component dry developer | Seiichi Miyakawa, Susumu Tatsumi | 1987-02-03 |