Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584305 | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band | Gen-ichiro Ohta, Hiroaki Sudo, Fujio Sasaki | 2003-06-24 |
| 6516038 | Receiving circuit | Gen-ichiro Ohta, Fujio Sasaki | 2003-02-04 |
| 6307897 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Hiroaki Sudo, Fujio Sasaki | 2001-10-23 |
| 6236688 | Receiving circuit | Gen-ichiro Ohta, Fujio Sasaki | 2001-05-22 |
| 6104764 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Hiroaki Sudo, Fujio Sasaki | 2000-08-15 |
| 6101226 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Hiroaki Sudo, Fujio Sasaki | 2000-08-08 |
| 6044254 | Receiving circuit | Gen-ichiro Ohta, Fujio Sasaki, Hiroaki Sudo | 2000-03-28 |
| 6026129 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Hiroaki Sudo, Fujio Sasaki | 2000-02-15 |
| 5914986 | Receiving circuit | Gen-ichiro Ohta, Fujio Sasaki | 1999-06-22 |
| 5848100 | Frequency conversion and modulation circuits | — | 1998-12-08 |
| 5777908 | Comb filter with a smaller number of delay elements | — | 1998-07-07 |
| 5625650 | Synchronous adder device | Katsuhiko Hiramatsu, Kimihiko Ishikawa | 1997-04-29 |
| 5574450 | Synchronization adder circuit | Katsuhiko Hiramatsu, Kimihiko Ishikawa | 1996-11-12 |
| 5327092 | Switched capacitor filter circuit employing two switched capacitor filters | Yoshiaki Shinagawa, Kouichi Honma | 1994-07-05 |