Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563099 | Optical information recording/reproducing apparatus, and optical head apparatus | Shigeharu Kimura, Takeshi Shimano | 2003-05-13 |
| 6524766 | Optical disk medium | Motoyasu Terao, Takeshi Shimano, Toshimichi Shintani | 2003-02-25 |