Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636461 | Recording and/or reproducing method and apparatus having reciprocal time domain to binary conversion means | Tetsuji Kawashima, Michihiko Iida | 2003-10-21 |
| 6600707 | Optical disc and optical disc driving device | — | 2003-07-29 |