Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34750 | Laser printing system | — | 1994-10-04 |
| 5311253 | Image-forming apparatus with detachable imaging unit | Takashi Gonda | 1994-05-10 |
| 5150166 | Image forming system including attachable sheet supplying units for transporting sheets directly to an image forming part | Yasuhiro Matsuura, Hiroaki Kojima, Hirofumi Hasegawa, Yukio Yamada | 1992-09-22 |
| 5122817 | Electrophotographic recorder using a modulated laser beam to scan the original | Hirofumi Hasegawa, Yukio Yamada, Narutaka Yoshida | 1992-06-16 |
| 5115272 | Image-forming apparatus having an erase device located at a first or second position when the apparatus is in an opened or closed position | Takashi Gonda | 1992-05-19 |
| 5025286 | Laser beam image forming apparatus with SOS Detection | Hirofumi Hasegawa, Yukio Yamada, Narutaka Yoshida | 1991-06-18 |
| 5017961 | Image forming apparatus with use of a laser beam | Hirofumi Hasegawa, Yukio Yamada, Narutaka Yoshida | 1991-05-21 |
| 5012485 | Laser beam scanning apparatus | — | 1991-04-30 |
| 4978977 | Laser scanner with conjugate condition lens | Yasuhiro Matsuura, Hirofumi Hasegawa, Hiroaki Kojima, Yukio Yamada | 1990-12-18 |
| 4974921 | Light beam scanning apparatus | Shin Miyata, Hiroaki Kojima, Yasuhiro Matsuura, Hirofumi Hasegawa, Yukio Yamada | 1990-12-04 |
| 4965870 | Image forming apparatus with use of a laser beam | Hirofumi Hasegawa, Yukio Yamada, Narutaka Yoshida | 1990-10-23 |
| 4945390 | Image-forming apparatus | Hirofumi Hasegawa, Hiroaki Kojima, Yasuhiro Matsuura, Yukio Yamada | 1990-07-31 |
| 4916480 | Image forming apparatus with use of a laser beam | Hirofumi Hasegawa, Yukio Yamada, Narutaka Yoshida | 1990-04-10 |
| 4886963 | Laser beam scanning apparatus with compact SOS sensor | — | 1989-12-12 |
| 4847643 | Laser printing system | — | 1989-07-11 |
| 4841314 | Electrostatic latent image forming apparatus using semiconductor laser | — | 1989-06-20 |
| 4829322 | Laser beam scanning apparatus | — | 1989-05-09 |
| 4728989 | Electrostatic latent image forming apparatus using semiconductor laser | — | 1988-03-01 |