Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301868 | Optical disk recording/reproducing method and recording/reproducing apparatus using the same | — | 2007-11-27 |
| 6005830 | System for checking the recoding state of data on a magneto-optical disk | — | 1999-12-21 |
| 5508808 | Development sensor apparatus for monitoring the progression of development of an optical disk master | — | 1996-04-16 |