Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7310192 | Zoom lens | Yasuhiko Abe | 2007-12-18 |
| 7035024 | Imaging lens | Yasuhiko Abe | 2006-04-25 |
| 5516981 | Musical instrument tuned in nineteen note temperament scale | — | 1996-05-14 |
YN
Youhei Nagai
Nidec Copal: 2 patents #55 of 172Top 35%
Overall (All Time): #1,590,305 of 4,157,543Top 40%
3
Patents All Time