Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845077 | Optical pick-up device with convergent light diffraction for recording/reading information on optical recording medium | Shigeru Oohchida, Hiroshi Akiyama | 2005-01-18 |
MN
Masahiko Nakayama
Overall (2005): #143,724 of 245,428Top 60%
1
Patents 2005