Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8387080 | Optical pickup apparatus having a heatsink for dissipating heat generated by a laser diode | Hidetoshi Itoh, Hidetoshi Akimoto, Masaaki Nio | 2013-02-26 |
| 7233564 | Optical disk apparatus | Hiroshi Konuma, Hiroyuki Shindo, Masanori Tei, Takahiro Yamamoto | 2007-06-19 |
| 5264911 | Laser power measuring jig for optical disk unit | Kazuhiko Nakane, Masayoshi Shimamoto, Yoshihiro Kiyose, Keiji Nakatsu, Isao Watanabe +4 more | 1993-11-23 |
| 5237549 | Magneto-optical disk storage device having optical head applicable to different types of magneto-optical disks | — | 1993-08-17 |
| 5199013 | Optical head apparatus applicable to optical disc apparatus | — | 1993-03-30 |
| 5146449 | Optical disc apparatus | — | 1992-09-08 |
| 5095477 | Focusing control system | — | 1992-03-10 |
| 5050154 | Optical recording/reproducing module having reduced size | Tsutomu Morita | 1991-09-17 |
| 5018836 | Optical disc apparatus lens drive apparatus and method for the manufacture of such | Yasushi Noda, Takashi Kamisaka | 1991-05-28 |
| 5010246 | Optical head apparatus applicable to optical disc apparatus | Hiroshi Tsuyuguchi, Yasushi Noda, Tsutomu Morita | 1991-04-23 |
| 4926403 | Magneto-optic recording apparatus for recording information selectively on both sides of the recording medium | Hiroshi Tsuyuguchi, Takashi Kamisaka | 1990-05-15 |
| 4926409 | Optical permitting record/playback from both sides of an optical disk | Hiroshi Tsuyuguchi, Takashi Kamisaka | 1990-05-15 |