Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9007145 | High-frequency signal balancing multiplexer | Kiyoshi Yamaguchi, Yasunori Nabetani | 2015-04-14 |
| 7292837 | Mixer and converter using same | Ryo Tatsumi, Mitsuhiro Matsumoto | 2007-11-06 |
| 7209362 | Multilayer ceramic substrate with a cavity | — | 2007-04-24 |
| 7095998 | Mixer and converter using same | Ryo Tatsumi, Mitsuhiro Matsumoto | 2006-08-22 |
| 6748207 | Power distributing and synthesizing device and mobile communication equipment using same | Makoto Tochigi, Ken Tonegawa | 2004-06-08 |
| 6711395 | Receiving module and receiver | Ken Tonegawa, Yoshihiro Yoshimoto, Norihiro Shimada, Jun Sasaki | 2004-03-23 |
| 6700792 | High-frequency composite component and portable wireless device incorporating the component | Ken Tonegawa, Norihiro Shimada, Yoshihiro Yoshimoto | 2004-03-02 |
| 6429753 | High-frequency filter, complex electronic component using the same, and portable radio apparatus using the same | Teruhisa Tsuru, Ken Tonegawa, Harufumi Mandai, Norihiro Shimada | 2002-08-06 |
| 6424233 | Complex electronic component with a first multilayer filter having a cavity in which a second filter is mounted | Ken Tonegawa, Harufumi Mandai | 2002-07-23 |
| 6252778 | Complex electronic component | Ken Tonegawa, Harufumi Mandai | 2001-06-26 |
| 6069541 | High-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the same | Teruhisa Tsuru, Ken Tonegawa, Harufumi Mandai | 2000-05-30 |