Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640189 | Image forming apparatus using an electrode matrix to form a latent image | Tadayoshi Ohno, Koji Tanimoto, Rintaro Nakane | 1997-06-17 |
| 5317370 | Developing apparatus including means for collecting used developing agent | Mitsuaki Kohyama, Kazuhiko Kikuchi, Minoru Yoshida, Kouji Hirano | 1994-05-31 |
| 5270786 | Developing device using developing roller having specific structure | Kazuhiko Kikuchi | 1993-12-14 |
| 5239403 | Optical deflector device for deflecting laser beam | Takashi Shiraishi, Masao Yamaguchi, Ken Omura | 1993-08-24 |
| 5231456 | Image forming apparatus having a disordering device for disordering a developing agent remaining on an image bearing member | Kazuhiko Kikuchi | 1993-07-27 |
| 5159193 | Optical unit for use in laser beam printer or the like with temperature expansion compensation | Takashi Shiraishi, Masao Yamaguchi, Ken Omura | 1992-10-27 |
| 5148218 | Image forming apparatus with a humidity detector | Rintaro Nakane, Jiro Egawa, Toshihiro Kasai, Kunihiko Miura, Shinya Tomura +1 more | 1992-09-15 |
| 5146285 | Image forming apparatus | Kazuhiko Kikuchi | 1992-09-08 |
| 5142404 | Optical unit for use in laser beam printer or the like | Takashi Shiraishi, Ken Omura, Masao Yamaguchi | 1992-08-25 |
| 5134511 | Optical unit for use in laser beam printer or the like | Takashi Shiraishi, Masao Yamaguchi, Ken Omura | 1992-07-28 |
| 5124830 | Optical deflector device for deflecting laser beam | Ken Omura, Takashi Shiraishi | 1992-06-23 |
| 4885596 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-12-05 |
| 4876560 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-10-24 |
| 4836135 | Developing apparatus having one-component developing agent | Mitsuaki Kohyama, Osamu Takagi | 1989-06-06 |
| 4819019 | Recording apparatus | Jiro Egawa, Toshihiro Kasai, Moriya Nagasawa, Naoaki Ide, Hironobu Machida | 1989-04-04 |
| 4334761 | Electrophotographic copying machine | Masao Saito, Hiroshi Aoya | 1982-06-15 |