Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7088591 | Printed circuit board and method for installing printed circuit board onto electro-conductive housing | Yutaka Igarashi, Hironobu Hirayama | 2006-08-08 |
| 6706964 | Electronic device and method for manufacturing the same, and method for shielding printed circuit board | Yutaka Igarashi | 2004-03-16 |
| 5669038 | Heater controlling apparatus and a fixing apparatus of an electrophotographic apparatus in use therewith | — | 1997-09-16 |
| 5486898 | Color image forming apparatus with photoreceptor protector | Yozo Fujii, Hiroyuki Moriguchi, Yoshikazu Ikunami, Masahiko Matsunawa, Akihiko Tamura +6 more | 1996-01-23 |
| 5357354 | Color image processing apparatus capable of discriminating between a monochromatic document and a color document | Masahiko Matsunawa, Seiichiro Hiratsuka, Koji Washio, Hiroshi Tokunaga, Takashi Hasebe | 1994-10-18 |
| 5241609 | Marker color conversion apparatus for color image processing device | Takashi Hasebe, Seiichiro Hiratsuka, Koji Washio, Tetsuya Niitsuma | 1993-08-31 |
| 5220416 | Color image processing apparatus | Takashi Hasebe, Seiichiro Hiratsuka, Tetsuya Niitsuma, Koji Washio, Hiroshi Tokunaga +1 more | 1993-06-15 |
| 5065441 | Image processing apparatus | Hiroyuki Yamamoto, Toshihiro Motoi, Toshiharu Nishimura | 1991-11-12 |
| 5061966 | Method of cleaning an image retainer | Satoshi Haneda, Hisashi Shoji, Seiichiro Hiratsuka, Toshifumi Isobe, Hiroyuki Maruyama +1 more | 1991-10-29 |
| 5023708 | Color image forming apparatus for superposing a plurality of images | Hiroyuki Maruyama, Toshifumi Isobe, Jun Yokobori | 1991-06-11 |
| 4878110 | Color image processing apparatus which accurately registers multiple color images by counting pulses from a timer reset by a drum index signal | Hiroyuki Maruyama, Toshifumi Isobe, Jun Yokobori | 1989-10-31 |
| 4849829 | Image recording apparatus | Hiroyuki Maruyama, Toshifumi Isobe, Jun Yokobori | 1989-07-18 |
| 4806973 | Color image-forming apparatus for producing overlapped monochrome images | Toshifumi Isobe, Hiroyuki Maruyama, Jun Yokobori | 1989-02-21 |
| 4466604 | Elevator type paper feeding apparatus | Takao Tsuda | 1984-08-21 |