Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9252819 | High frequency circuit, high frequency circuit component, and communication apparatus | Hirotaka Satake, Keisuke Fukamachi, Yuta Sugiyama | 2016-02-02 |
| 8767859 | High-frequency circuit, high-frequency device, and communications apparatus | Keisuke Fukamachi | 2014-07-01 |
| 8682258 | High-frequency circuit, high-frequency device, and communication apparatus | Keisuke Fukamachi, Hirotaka Satake | 2014-03-25 |
| 8582547 | High frequency circuit, high frequency component and communication device | Keisuke Fukamachi, Kazuhiro Hagiwara | 2013-11-12 |
| 8326344 | High-frequency device and communications apparatus | Keisuke Fukamachi, Kazuhiro Hagiwara | 2012-12-04 |
| 8315577 | Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same | Kazuhiro Hagiwara, Keisuke Fukamachi, Mitsuhiro Watanabe | 2012-11-20 |
| 8269581 | Band-pass filter, high-frequency component, and communication apparatus | Keisuke Fukamachi | 2012-09-18 |
| 8130787 | High-frequency circuit device, and communications apparatus comprising same | Kazuhiro Hagiwara, Keisuke Fukamachi | 2012-03-06 |
| 8131226 | Multi-band-high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same | Kazuhiro Hagiwara, Keisuke Fukamachi, Takahiro Yamashita, Masayuki Uchida, Mitsuhiro Watanabe | 2012-03-06 |
| 8093963 | Laminated bandpass filter, high-frequency component and communications apparatus comprising them | Takahiro Yamashita, Kazuhiro Hagiwara, Keisuke Fukamachi | 2012-01-10 |
| 8036148 | High-frequency circuit, high-frequency device and communications apparatus | Keisuke Fukamachi, Kazuhiro Hagiwara | 2011-10-11 |
| 7982554 | Multi-band high-frequency circuit, multi-band high frequency circuit component and multi-band communication apparatus using same | Keisuke Fukamachi, Kazuhiro Hagiwara, Masayuki Uchida | 2011-07-19 |
| 7924117 | Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same | Keisuke Fukamachi, Kazuhiro Hagiwara, Masayuki Uchida | 2011-04-12 |
| 7885613 | Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same | Kazuhiro Hagiwara, Keisuke Fukamachi, Mitsuhiro Watanabe | 2011-02-08 |
| 7773956 | Multi-band high frequency circuit, multi-band high-frequency component and multi-band communications apparatus | Keisuke Fukamachi, Kazuhiro Hagiwara, Takahiro Yamashita, Masayuki Uchida | 2010-08-10 |
| 7705692 | High-frequency circuit and communications apparatus comprising same | Keisuke Fukamachi | 2010-04-27 |
| 7546091 | High-frequency circuit and high-frequency device | Yoshiyuki Murakami, Hiroyuki Tai | 2009-06-09 |
| 7518469 | Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same | Keisuke Fukamachi, Kazuhiro Hagiwara, Masayuki Uchida | 2009-04-14 |
| 7471962 | High-frequency switch circuit, high-frequency switch module and wireless communications device comprising it | Mitsuhiro Watanabe, Tsuyoshi Taketa, Hiroyuki Tai | 2008-12-30 |
| 7295814 | Antenna switch circuit and antenna switch module | Takahiro Yamashita, Keisuke Fukamachi | 2007-11-13 |
| 7253702 | High-frequency switch module | Mitsuhiro Watanabe, Hiroyuki Tai, Keisuke Fukamachi, Satoru Yokouchi | 2007-08-07 |
| 7242268 | Unbalanced-balanced multiband filter module | Kazuhiro Hagiwara, Keisuke Fukamachi, Mitsuhiro Watanabe, Tsuyoshi Taketa, Yoshiyuki Murakami | 2007-07-10 |
| 7221922 | Switch circuit and composite high frequency elements | Mitsuhiro Watanabe, Hiroyuki Tai | 2007-05-22 |
| 7171234 | High-frequency switch circuit | Mitsuhiro Watanabe, Hiroyuki Tai, Tsuyoshi Taketa, Toshihiko Tanaka | 2007-01-30 |
| 7167687 | Switch circuit and composite high-frequency part | Mitsuhiro Watanabe, Keisuke Fukamachi, Hiroyuki Tai | 2007-01-23 |