Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734662 | Comb filter | Masaaki Izumida, Akira Ohashi | 1988-03-29 |
SN
Sinya Nakai
Overall (All Time): #3,949,217 of 4,157,543Top 95%
1
Patents All Time