Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6565939 | Optical information-recording medium and method for recording information | Yoshio Inagaki | 2003-05-20 |
| 6524678 | Information recording medium and recording method | Yoshihisa Usami, Noboru Komori | 2003-02-25 |