Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6192209 | Developing unit | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2001-02-20 |
| 6163674 | Developing unit having developing roller with restraining blade | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2000-12-19 |
| 6151474 | Developing unit using elastic supply roller | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2000-11-21 |
| 6094554 | Developing unit having developing roller with specific side surface roughness | Kazuhiro Ichikawa, Yoshihiro Nakashima, Hidenori Kin, Yoichi Yamada, Yukio Takayama +1 more | 2000-07-25 |
| 5950052 | Image forming apparatus | Yujiro Nomura, Akira Kubota, Tahei Ishiwatari, Kuniaki Tanaka | 1999-09-07 |
| 5729804 | Toner storage device and supply mechanism for image forming | Kiyoharu Momose, Junichi Okada, Junichiro Shinozaki, Yoshiro Koga, Hiroshi Niki +1 more | 1998-03-17 |
| 5633699 | Structure for mounting a rotary member and image forming apparatus using same structure | Yasuhito Hirashima, Akihiko Ikegami, Yoshiro Koga | 1997-05-27 |
| 5537191 | Image forming apparatus with toner transport mechanism incorporated therein | Kiyoharu Momose, Junichi Okada, Junichiro Shinozaki, Yoshiro Koga, Hiroshi Niki +1 more | 1996-07-16 |
| 5469421 | Floppy disk drive device | Hideya Yokouchi, Kazuyoshi Fujimori | 1995-11-21 |
| 5303102 | Disk drive apparatus having head guard | Kenji Okuhara | 1994-04-12 |
| 5303104 | Disk drive apparatus having carriage driving mechanism | Hideya Yokouchi | 1994-04-12 |
| 5121272 | Apparatus for centering the magnetic disc in a magnetic disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tadashi Sugiyama | 1992-06-09 |
| 5081551 | Recording and reproducing apparatus | — | 1992-01-14 |
| 5036417 | Magnetic head feeding device with a rack and pinion | Hideya Yokouchi | 1991-07-30 |
| 5032941 | Magnetic head feeding device | Hideya Tokouchi | 1991-07-16 |
| 4903155 | Disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tadashi Sugiyama | 1990-02-20 |
| 4882644 | Magnetic head supporting mechanism | Ippo Kimura, Naoyuki Okumura, Yoshio Arai | 1989-11-21 |
| 4825314 | Disc drive | Nobuyoshi Maekawa, Hideya Yokouchi, Tadashi Sugiyama | 1989-04-25 |
| 4757409 | Carriage movement device for a magnetic memory device | Hideya Yokouchi, Tadashi Sugiyama, Nozomu Inoue, Kaneo Yoda | 1988-07-12 |