Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058145 | Method of demodulating a multi-frequency quadrature modulated signal | Minoru Okada, Takeshi Kawabe | 2000-05-02 |
| 5999575 | Channel separating filter apparatus, PSK demodulator apparatus and PSK receiver apparatus each equipped with channel separating filter apparatus | Ryohei Tanaka, Minoru Okada, Shinsuke Hara, Norihiko Morinaga | 1999-12-07 |
| 4710975 | Space diversity reception system having compensation means of multipath effect | Yoshiharu Okamoto, Izumi Horikawa | 1987-12-01 |
| 4326294 | Space diversity reception system having compensation means of multipath effect | Yoshiharu Okamoto, Izumi Horikawa | 1982-04-20 |