Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847706 | Multiband resonator and multiband-pass filter | Shoichi Narahashi, Yuta Takagi | 2014-09-30 |
| 8489918 | Storage system and ownership control method for storage system | Koji Watanabe, Ryu Takada, Yasuyuki Nagasoe | 2013-07-16 |
| 8427260 | Dual-band bandpass resonator and dual-band bandpass filter | Shoichi Narahashi | 2013-04-23 |
| 8125302 | Signal selecting device | Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi | 2012-02-28 |
| 7978027 | Coplanar waveguide resonator and coplanar waveguide filter using the same | Daisuke Koizumi, Shoichi Narahashi | 2011-07-12 |
| 7774034 | Signal switching device | Kunihiro Kawai, Daisuke Koizumi, Shoichi Narahashi, Tetsuo Hirota | 2010-08-10 |
| 7764147 | Coplanar resonator and filter using the same | Daisuke Koizumi, Shoichi Narahashi | 2010-07-27 |
| 7710222 | Dual band resonator and dual band filter | Daisuke Koizumi, Shoichi Narahashi | 2010-05-04 |
| 7564699 | Planar circuit housing | Daisuke Koizumi, Shoichi Narahashi, Tatsuro Masamura | 2009-07-21 |
| 7397331 | Coupling structure, resonator excitation structure and filter for coplanar-waveguide circuit | Daisuke Koizumi, Shoichi Narahashi | 2008-07-08 |
| 7378924 | Filter with improved capacitive coupling portion | Daisuke Koizumi, Shoichi Narahashi | 2008-05-27 |
| 7327996 | High sensitivity radio receiver | Ning Chen, Yoshiaki Tarusawa, Shoichi Narahashi, Noriyoshi Terada, Toshio Nojima | 2008-02-05 |
| 7307045 | Signal switching device | Kunihiro Kawai, Daisuke Koizumi, Shoichi Narahashi, Tetsuo Hirota | 2007-12-11 |
| 7245195 | Coplanar waveguide filter and method of forming same | Shoichi Narahashi, Tetsuo Hirota, Yasushi Yamao | 2007-07-17 |
| 7183874 | Casing contained filter | Shoichi Narahashi, Tetsuo Hirota, Yasushi Yamao | 2007-02-27 |
| 7161449 | Coplanar waveguide resonator | Shoichi Narahashi, Daisuke Koizumi, Yasushi Yamao | 2007-01-09 |
| 6963758 | High-sensitivity wireless receiving device and high-frequency unit used therefor | Shoichi Narahashi, Kunihiro Kawai, Toshio Nojima | 2005-11-08 |
| 6480706 | High sensitivity radio receiver | Tetsuya MIMURA, Shoichi Narahashi, Toshio Nojima | 2002-11-12 |