Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590855 | Disk chucking mechanism and disk player including a disk chucking mechanism | Tadanori Tamiya | 2003-07-08 |
| 6549328 | Acousto-optic tunable filter | Tadao Nakazawa | 2003-04-15 |