Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735157 | Optical-pickup device and tilt-detecting method thereof | Hiroshi Koide, Hiroshi Akiyama | 2004-05-11 |
HH
Hideaki Hirai
Overall (2004): #210,433 of 270,089Top 80%
1
Patents 2004