Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614279 | Recording and reproducing medium and a recording and reproducing apparatus | Makoto Kuwamoto, Hiroshi Kohso | 1997-03-25 |
| 5602819 | Optical information system to detect reflection of pit depth by evanescent wave | Hiroshi Kohso, Makoto Kuwamoto | 1997-02-11 |