Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418173 | Transmission Apparatus | Akihiko Matsuoka, Masayuki Orihashi, Morikazu Sagawa, Kenichi Takahashi | 2002-07-09 |
| 5555247 | Frame synchronizing apparatus for quadrature modulation data communication radio receiver | Akihiko Matsuoka, Hiroshi Ohnishi, Yoshinori Kunieda, Yuuri Yamamoto | 1996-09-10 |
| 5487089 | Nyquist filter for digital modulation | Shoichiro Honda, Hiroshi Ohnishi | 1996-01-23 |
| 5463627 | Frame synchronizing apparatus for quadrature modulation data communication radio receiver | Akihiko Matsuoka, Hiroshi Ohnishi, Yoshinori Kunieda, Yuuri Yamamoto | 1995-10-31 |
| 5448197 | Frequency conversion circuit and mixing circuit including the same | Morikazu Sagawa, Kazuaki Takahashi, Makoto Takemoto | 1995-09-05 |
| 5335251 | Diversity receiver | Hiroshi Onishi, Akihiko Matsuoka, Yuuri Yamamoto | 1994-08-02 |
| 5200977 | Terminal unit apparatus for time division multiplexing access communications system | Hiroshi Ohnishi, Yuuri Yamamoto | 1993-04-06 |
| 5150383 | Asynchronous quadrature demodulator | Hiroshi Ohnishi | 1992-09-22 |
| 4876744 | Mixer with rat race circuit | Mitsuo Makimoto, Haruyoshi Endo | 1989-10-24 |
| 4791387 | Microwave band frequency synthesizer | Makoto Hasegawa, Mitsuo Makimoto | 1988-12-13 |