Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317277 | Optical pickup device | Hiroaki Ito, Yoshiharu Sato, Yutaka Saito | 2001-11-13 |
RI
Ryuji Izumino
Tohoku Pioneer Electronic: 1 patents #21 of 73Top 30%
Overall (All Time): #3,599,754 of 4,157,543Top 90%
1
Patents All Time