Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922454 | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2005-07-26 |
| 6600795 | Receiving circuit | Gen-ichiro Ohta, Kazunori Inogai | 2003-07-29 |
| 6584305 | Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2003-06-24 |
| 6516038 | Receiving circuit | Gen-ichiro Ohta, Kazunori Inogai | 2003-02-04 |
| 6307897 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2001-10-23 |
| 6236688 | Receiving circuit | Gen-ichiro Ohta, Kazunori Inogai | 2001-05-22 |
| 6236840 | Transmission output detecting circuit | Yukichi Aihara | 2001-05-22 |
| 6175746 | Multiband mobile unit communication apparatus | Keiichi Nakayama, Seiichi Yamaguchi, Yukichi Aihara, Hiroaki Kosugi | 2001-01-16 |
| 6104764 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2000-08-15 |
| 6101226 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2000-08-08 |
| 6094564 | Mobile communication apparatus operable in different formats and pairing I-F band pass filter type with I-F amplifier characteristics | Wataru Tomiya, Seiichi Yamaguchi, Hiroaki Kosugi | 2000-07-25 |
| 6044254 | Receiving circuit | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2000-03-28 |
| 6032032 | Mobile radio communication apparatus | Hidenobu Kato, Seiichi Yamaguchi, Hiroaki Kosugi | 2000-02-29 |
| 6026129 | Radio receiving apparatus for receiving communication signals of different bandwidths | Gen-ichiro Ohta, Kazunori Inogai, Hiroaki Sudo | 2000-02-15 |
| 5966666 | Multiple-band mobile transceiver having a smaller number of local oscillators | Seiichi Yamaguchi, Hiroaki Kosugi | 1999-10-12 |
| 5926466 | Time division multiple access FDD wireless unit and time division multiple access FDD/TDD dual mode wireless unit | Kaoru Ishida, Hiroaki Kosugi, Yoichi Morinaga | 1999-07-20 |
| 5914986 | Receiving circuit | Gen-ichiro Ohta, Kazunori Inogai | 1999-06-22 |
| 5852784 | Multiband mobile unit communication apparatus | Fumio Ito, Seiichi Yamaguchi, Hiroaki Kosugi | 1998-12-22 |
| 5835853 | Two band receiver | Takashi Enoki | 1998-11-10 |
| 5794134 | Receiving circuit for a portable telephone set | Takashi Enoki | 1998-08-11 |
| 5659893 | Transmission circuit with improved gain control loop | Takashi Enoki, Masaharu Nakatsuchi, Kohji Chiba | 1997-08-19 |
| 4958745 | Connector tank means for cap for mouth of tank | Isao Masuda, Toshio Taomo | 1990-09-25 |
| 4905424 | Rotary tool cover | Akira Nagashima | 1990-03-06 |
| 4809438 | Rotary cutter and support | Akira Nagashima | 1989-03-07 |
| 4783207 | Air cleaner | Akira Nagashima | 1988-11-08 |