Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706240 | Optical disk and its manufacturing method | Toshiro Kinoshita, Akihiko Kobayashi, Noboru Sasaki, Makoto Arisawa, Hiroshi Iwase +5 more | 2010-04-27 |
| 5617382 | Optical information accessing system capable of reliable jump-back control | Hideki Kobunaya, Yutaka Ishikawa, Takayoshi Chiba | 1997-04-01 |
| 5563854 | Optical information accessing system capable of generating one sector initiation signal for each sector | Hideki Kobunaya, Yutaka Ishikawa, Takayoshi Chiba | 1996-10-08 |
| 5521893 | Data recording apparatus | Takayoshi Chiba, Hideki Kobunaya, Yutaka Ishikawa | 1996-05-28 |
| 5502699 | Disc reproduction apparatus | Takayoshi Chiba, Hideki Kobunaya, Yutaka Ishikawa | 1996-03-26 |
| 5400318 | Edge detection of information pit pattern by establishing threshold voltage from a closely spaced pit pattern | Hiroshi Nakayama, Masaki Kagawa | 1995-03-21 |
| 5345435 | Optical disc and method for recording on optical disc | — | 1994-09-06 |