Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108283 | Optical head having focus error detection and tracking error detection sensors arranged on substantially the same plane | Teruo Fujita | 2000-08-22 |
| 5687032 | Optical device inclination angle adjuster | Nobuo Takeshita, Teruo Fujita, Mitsuru Irie, Kazuhiko Nakane, Kenjiro Kime +1 more | 1997-11-11 |
| 5532987 | Focus error detecting device | Teruo Fujita, Mitsuru Irie, Kazuhiko Nakane | 1996-07-02 |
| 5511048 | Magneto-optical recording and reproducing apparatus | Mitsuru Irie, Takeshi Utakouji, Nobuo Takeshita, Manabu Koike, Yasuyuki Satou +5 more | 1996-04-23 |
| 5479386 | Lens actuating system for an optical disk drive having a driven mass for cancelling forces | Nobuo Takeshita, Hideaki Kobachi, Mitsuru Irie | 1995-12-26 |
| 5453962 | Focus error detecting device | Teruo Fujita, Mitsuru Irie, Kazuhiko Nakane | 1995-09-26 |
| 5416756 | Lens actuating system with improved frequency response for optical disk drive | Nobuo Takeshita, Hideaki Kobachi, Mitsuru Irie | 1995-05-16 |
| 5367512 | Multi-beam optical recording-reproduction device with independent error detection for each beam | Yasuyuki Satou, Masahisa Shinoda | 1994-11-22 |
| 5130965 | Optical recording/reproducing apparatus using a light spot switching means for centering beams on an information track | Yasuyuki Satou, Masahisa Shinoda | 1992-07-14 |
| 4942584 | Semiconductor laser apparatus driving system | Masahisa Shinoda, Yasuyuki Satou | 1990-07-17 |