Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671077 | Multi-beam light source device and optical scanning apparatus using the multi-beam source device | Katsumi Yamaguchi, Makoto Hino, Norio Michiie, Tomohiro Nakajima | 1997-09-23 |
| 5432537 | Optical recording apparatus capable of controlling optical power of laser diode array | Katsumi Yamaguchi, Makoto Hino, Norio Michiie | 1995-07-11 |
| 5392060 | Half tone laser recording apparatus | — | 1995-02-21 |
| 5325160 | Half tone recording method and light source device for writing | Hidetoshi Ema | 1994-06-28 |
| 5294944 | Color image forming apparatus having means for properly superimposing image colors on each other | Yoshinobu Takeyama, Nobuaki Kubo, Norio Michiie | 1994-03-15 |
| 5258780 | Beam recorder forming low density dots | Hidetoshi Ema, Hitoshi Hattori, Masaaki Ishida, Yoshinobu Takeyama | 1993-11-02 |
| 5231280 | Focusing error detection apparatus using a first and second knife edge at different positions | — | 1993-07-27 |
| 5059987 | Synchronizing signal generating system | Yoshinobu Takeyama | 1991-10-22 |
| 4962431 | Synchronizing signal generating system for laser scanner | Yoshinobu Takeyama, Nobuaki Kubo, Masanori Saitoh | 1990-10-09 |
| 4837588 | Synchronizing signal generating system for laser scanner | Yoshinobu Takeyama | 1989-06-06 |
| 4834477 | Method of controlling the temperature of semiconductor laser in an optical device | Satoru Tomita | 1989-05-30 |
| 4760251 | Optical scanning apparatus wherein image scanning clock signal frequency is corrected to render scanning speed constant | Kazuyuki Shimada | 1988-07-26 |
| 4757191 | Uniform intensity per pixel when the linear speed of a laser beam varies along a scanline | Kazuyuki Shimada | 1988-07-12 |
| 4729617 | Scanning clock generating device for optical scanner | Kazuyuki Shimada, Isamu Shibata | 1988-03-08 |