Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341355 | Multibeam optical pickup and servo method thereof | Hiroshi Gotoh, Ikuo Maeda, Tatsuaki Sakurai | 1994-08-23 |
| 5326678 | High dielectric polymeric optical recording medium | Akio Kojima, Takeo Yamaguchi, Masao Yoshikawa, Kaoru Teramura | 1994-07-05 |
| 5059774 | Seek and track control for a rectangular optical card handling apparatus | Nobuaki Kubo | 1991-10-22 |
| 4899344 | Semiconductor laser control apparatus | Takahiro Asai, Kiyoto Nagasawa, Kenichirou Asada | 1990-02-06 |
| 4856011 | Semiconductor laser control circuit | Kazuyuki Shimada | 1989-08-08 |
| 4763334 | Laser beam emitting apparatus | Kazuyuki Shimada, Yutaka Kaneko, Susumu Imagawa | 1988-08-09 |
| 4729617 | Scanning clock generating device for optical scanner | Kazuyuki Shimada, Susumu Imakawa | 1988-03-08 |
| 4717925 | Optical scanner without extra convergent lens | Kazuyuki Shimada | 1988-01-05 |
| 4663760 | Semiconductor laser output control device | Kazuyuki Shimada | 1987-05-05 |
| 4618958 | Device for controlling the radiating output of a semiconductor laser | Yoshiaki Kanmoto | 1986-10-21 |
| 4585297 | Light deflector | Iwao Hamaguchi | 1986-04-29 |