Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948858 | Optical information processing apparatus, optical pick-up device and optical recording disc system | Tomoto Kawamura, Daisuke Tomita | 2011-05-24 |
| 7502303 | Optical information processing apparatus, optical pick-up device and optical recording disc system | Tomoto Kawamura, Daisuke Tomita | 2009-03-10 |