Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323888 | Image forming apparatus | Tetsuro Toyoshima, Nobuyuki Azuma, Yoshinori Mutou, Yoshinori Nakajima | 2001-11-27 |
| 6298206 | Electrophotographic developing apparatus | Tetsuro Toyoshima, Nobuyuki Azuma, Yoshinori Mutou, Yoshinori Nakajima | 2001-10-02 |
| 6239824 | Apparatus and method for forming image with superior image reproducibility | Yoshinori Mutou, Tetsuro Toyoshima, Nobuyuki Azuma, Yoshinori Nakajima | 2001-05-29 |
| 6154627 | Developing apparatus using one-component toner | Kazuhiro Matsuyama, Toshihiko Takaya, Atsushi Inoue, Masanori Yamada, Nobuyuki Azuma +1 more | 2000-11-28 |
| 6087056 | Developing method by flying toner | Tetsuro Toyoshima, Nobuyuki Azuma, Hideaki Fujita, Takayuki Yamanaka | 2000-07-11 |
| 6064463 | Developing apparatus using one-component toner | Masanori Yamada, Takayuki Yamanaka, Toshihiko Takaya, Atsushi Inoue, Nobuyuki Azuma +3 more | 2000-05-16 |
| 6064847 | Developing device | Nobuyuki Azuma | 2000-05-16 |
| 6049689 | Developing apparatus with vibration absorbtion device | Hiroshi Ishii, Eiichi Kido, Tetsuro Toyoshima, Takashi Sakai, Hiroshi Tatsumi | 2000-04-11 |
| 6035171 | Developing apparatus having means for removing electric charge of toner | Toshihiko Takaya, Nobuyuki Azuma, Masanori Yamada, Atsushi Inoue, Keiji Yasuda +5 more | 2000-03-07 |
| 5978635 | Image developing device using a one-component toner | Nobuyuki Azuma, Hiroshi Tatsumi, Atsushi Inoue, Masanori Yamada, Takayuki Yamanaka | 1999-11-02 |
| 5805315 | Holographic scanner including a rotary hologram disk between a front hologram and a rear hologram | Tetsuro Toyoshima | 1998-09-08 |
| 5680232 | Holographic scanner including a rotary hologram disk between a front hologram and a rear hologram | Tetsuro Toyoshima | 1997-10-21 |
| 5262908 | Tracking control device for magnetic recording/reproducing apparatus | Chiaki Yamawaki, Tohru Okuda | 1993-11-16 |
| 5196969 | Head positioning system for serpentine magnetic recording/reproducing system | Tohru Okuda | 1993-03-23 |
| 5148336 | Magnetic recording and reproducing apparatus | Shigemi Asai, Masanobu Furukawa, Shigeaki Kakiwaki, Tohru Okuda | 1992-09-15 |
| 4907016 | Recording head for use in an electrically excited transfer recording device | Shunji Nakai, Hiroyuki Sawai, Shigemi Asai, Tetsuro Toyoshima | 1990-03-06 |
| 4866463 | Electrified transfer recording apparatus | Hiroshi Ishii, Shunji Nakai, Hiroyuki Sawai, Tetsuyuki Ueda, Hiroyuki Hanato | 1989-09-12 |