Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899367 | Multi-level quadrature amplitude modulator system with fading compensation means | — | 1990-02-06 |
SS
Seiichi Sampei
Osaka University: 13 patents #22 of 1,984Top 2%
National Institute Of Information And Communications Technology: 5 patents #59 of 517Top 15%
Nec: 2 patents #5,510 of 14,502Top 40%
The Doshisha: 2 patents #23 of 175Top 15%
Communications Research Laboratory, Ministry Of Posts And Telecommunications: 1 patents #11 of 41Top 30%
Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #152,705 of 4,157,543Top 4%
26
Patents All Time