Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795381 | Multi-body multi-purpose information processing apparatus | Hideo Ando, Seigo Ito, Hiromichi Kobori, Hiroaki Unno, Hisashi Yamada +2 more | 2004-09-21 |
| 5406535 | Head seeking control apparatus with changeable speed references | Hidetoshi Ikeda, Takaharu Yoshida | 1995-04-11 |
| 5361245 | Optical signal processing apparatus for detecting the direction of movement of an optical reading device relative to an optical disk | Takaharu Yoshida | 1994-11-01 |
| 5329509 | Optical disk unit | Tamane Takahara, Hideaki Osawa | 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 | Tamane Takahara | 1993-08-24 |
| 5193081 | Track-accessing controller for optical disks | Hideaki Osawa | 1993-03-09 |
| 5157645 | Optical disk unit | Tamane Takahara, Hideki Osawa | 1992-10-20 |
| 4926408 | Magneto-optic recording/erasing system with simultaneous dual head control and disk error detection | Teruo Murakami | 1990-05-15 |
| 4841502 | Information recording system and reproducing for recording and reproducing information on a magneto-optical disk | Teruo Murakami | 1989-06-20 |