Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680887 | Optical disk apparatus and PLL circuit | Tetsuya Shihara, Katsuya Watanabe | 2004-01-20 |
TN
Takashi Narutani
Overall (All Time): #3,467,681 of 4,157,543Top 85%
1
Patents All Time