Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947092 | Optical device | Katsuhiko Nagata, Takashi Kamai | 2005-09-20 |
YI
Yasuichi Ishii
Overall (All Time): #3,459,265 of 4,157,543Top 85%
1
Patents All Time