Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025832 | Signal generating apparatus, signal inputting apparatus and force-electricity transducing apparatus | Hajime Sudo, Akihiro Koga, Kenji Shimano | 2000-02-15 |
| 6002506 | Optical deflector and beam scanner using the same | Yuji Suzuki, Masaki Takahashi, Hideki Ito | 1999-12-14 |
| 5835459 | Optical disc apparatus for recording and reproducing data onto and from an optical disc with grooves and lands | Masahiko Tanaka, Mikio Yamamuro | 1998-11-10 |
| 5566148 | Optical disk tracking system for searching a target track based on a table of compensation reference velocity | Akihiro Kasahara | 1996-10-15 |
| 5497360 | Optical disc apparatus with accessing using only reference velocity during acceleration and reference and moving velocities during deceleration | Akihiro Kasahara | 1996-03-05 |
| 5329509 | Optical disk unit | Hideaki Osawa, Naobumi Seo | 1994-07-12 |
| 5239530 | Method and apparatus for detecting a track count in an optical disk apparatus for recording/reproducing data on/from an optical disk | Naobumi Seo | 1993-08-24 |
| 5157645 | Optical disk unit | Hideki Osawa, Naobumi Seo | 1992-10-20 |