Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236447 | Optical disk, method of playing optical disk, and optical disk drive | Toshinori Sugiyama, Reiji Tamura, Hideki Nagano, Toshiaki Taii, Yuji Yamazaki | 2007-06-26 |
| 7126906 | Optical record carrier, drive unit, data updating method and software version-up method | — | 2006-10-24 |
| 7088669 | Optical disc, method for manufacturing the same, drive for the same, and samper used to manufacture the same | — | 2006-08-08 |
| 6897823 | Plane antenna and method for manufacturing the same | Eiji Koyama | 2005-05-24 |
| 6760290 | Optical disc and optical disc drive | Yoshiro Yoda, Kazuo Ito | 2004-07-06 |
| RE38503 | Information recording disk | Shinichi Arai, Takeshi Maeda | 2004-04-20 |
| 5537389 | Disk cartridge having a single closing energizer for closing two independently opened shutters | Tadahiro Kuwa, Makoto Miura, Yoshitane Tsuburaya, Yoshitake Kato, Masanori Uematsu +3 more | 1996-07-16 |
| 5255261 | Information recording disk | Shinichi Arai, Takeshi Maeda | 1993-10-19 |
| 5043965 | Optical apparatus for optical information recording medium | Hiroshi Nagate, Toshiaki Taii, Toyoyuki Nunomura, Atsuki Hirose | 1991-08-27 |
| 4370419 | Tray for identifying microorganisms | Seiji Enomoto, Michiya Kimura | 1983-01-25 |