Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677692 | Frequency conversion apparatus | Takeshi Sato, Hiroyuki Nagai, Kazuhiko Kubo, Akira Usui | 1987-06-30 |
SS
Seiji Sakashita
Panasonic: 16 patents #1,398 of 21,108Top 7%
Sovereign Peak Ventures: 1 patents #13 of 26Top 50%
Overall (All Time): #52,719 of 4,157,543Top 2%
51
Patents All Time