Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5530691 | Disc cartridge | — | 1996-06-25 |
| 5523891 | Objective lens driving device and method for producing resilient supporting member provided in objective lens driving device | — | 1996-06-04 |
| D369151 | Optical disc cartridge | — | 1996-04-23 |
| D369152 | Optical disc cartridge | — | 1996-04-23 |
| D369153 | Optical disc cartridge | — | 1996-04-23 |
| 5506023 | Magneto-optical disc | Takashi Ohmori, Tadao Yoshida | 1996-04-09 |
| 5497366 | Optical-pick up device using multi-lens holder | — | 1996-03-05 |
| 5467239 | Disc cartridge withribbed shutter | — | 1995-11-14 |
| 5367422 | Disc cartridge having mistaken recording inhibiting mechanism | Kenji Takahashi | 1994-11-22 |
| 5363362 | Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors | Yasuaki Maeda, Ryo Ando, Hideo Obata, Hideki Nagashima, Tadao Yoshida +2 more | 1994-11-08 |
| 5357498 | Disc drive apparatus that positions an objective lens within a disc cartridge at the time when the disc is rotated | Tadao Yoshida | 1994-10-18 |
| RE34710 | Magneto-optical recording apparatus | Takashi Ohmori, Ryo Ando | 1994-08-30 |
| 5309421 | Recording and/or reproducing apparatus for optical disk | — | 1994-05-03 |
| D343613 | Shutter for an optical disc cartridge | — | 1994-01-25 |
| 5272693 | Disc cartridge having a shutter | — | 1993-12-21 |
| D340032 | Optical disk cartridge | — | 1993-10-05 |
| 5243588 | Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors | Yasuaki Maeda, Ryo Ando, Hideo Obata, Hideki Nagashima, Tadao Yoshida +2 more | 1993-09-07 |
| 5072431 | Magneto-optical disk recording apparatus | Takashi Ohmori | 1991-12-10 |
| 5034933 | Magneto-optical recording apparatus | Takashi Ohmori, Ryo Ando | 1991-07-23 |