Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689630 | Information reproducing apparatus | — | 1997-11-18 |
| 5664094 | Method and apparatus for read-write-verification of data stored on an optical disc and stored in a buffer of an optical disk drive | Ichiro Iida | 1997-09-02 |
| 5617390 | Optical information recording medium having separate information and reference information portions and method using the same | Katsumi Iijima | 1997-04-01 |
| 5220554 | Reproduced signal processing apparatus | — | 1993-06-15 |
| 5128946 | Information recording-reproducing method and apparatus | Tsukasa Ogino | 1992-07-07 |
| 4982391 | Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction | Wataru Sakagami, Kiyonobu Endo, Hideki Hosoya | 1991-01-01 |