Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154431 | Recording and reproducing apparatus | Shizuo Arai, Takakiyo Kanazawa, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-11-28 |
| 6107782 | Multi-staged method for recharging a lead acid battery as a function of intrinsic battery characteristics | Hiroshi Imai | 2000-08-22 |
| 6046976 | Disc cartridge with grooves for a recording and reproducing apparatus | Shizuo Arai, Takakiyo Kanazawa, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-04-04 |
| 6044043 | Magneto-optical head capable of operation under inclination of the disc | Tetsu Watanabe | 2000-03-28 |
| 6021108 | Optical pickup device in recording and/reproducing apparatus | Shizuo Arai, Takakiyo Kanazawa, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-02-01 |
| 5815344 | Disc cartridge loading apparatus | — | 1998-09-29 |
| 5481423 | Disc cartridge loading apparatus | — | 1996-01-02 |
| 5452271 | Magneto-optical disc recording and/or reproducing apparatus with simplified means for moving the magnetic head close to and away from the magneto-optical disc during loading and unloading of the magneto-optical disc cartridge | Kiyoshi Ohmori | 1995-09-19 |
| 5384757 | Magneto-optical disc recording and/or reproducing apparatus | Kiyoshi Ohmori | 1995-01-24 |
| 5229987 | Door arrangement for record medium insertion opening | — | 1993-07-20 |
| 4931884 | Skew compensation circuit effectively operated during readout in a reverse sense | — | 1990-06-05 |
| 4355866 | Stripe-color filter | Eiichiro Tanaka, Kousaku Yano, Shinji Fujiwara | 1982-10-26 |