Narahashi; Shoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Narahashi; Shoichi.The latest application filed is for "wireless circuit and frequency pair determination method".
Company Profile
0.83.73
- Narahashi; Shoichi - Tokyo JP
- Narahashi; Shoichi - Yokohama N/A JP
- Narahashi; Shoichi - Kanagawa JP
- Narahashi; Shoichi - Chiyoda-ku JP
- Narahashi; Shoichi - Yokohama-shi JP
- Narahashi; Shoichi - Yokosuka JP
- Narahashi, Shoichi - Yokosuka-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Wireless circuit and frequency pair determination method Grant 9,356,644 - Okazaki , et al. May 31, 2 | 2016-05-31 |
| Front-end circuit and impedance adjustment method Grant 9,337,990 - Narahashi , et al. May 10, 2 | 2016-05-10 |
| Variable matching circuit Grant 8,970,319 - Furuta , et al. March 3, 2 | 2015-03-03 |
| Wireless Circuit And Frequency Pair Determination Method App 20140349592 - Okazaki; Hiroshi ; et al. | 2014-11-27 |
| Front-end Circuit And Impedance Adjustment Method App 20140321312 - Narahashi; Shoichi ; et al. | 2014-10-30 |
| Multiband resonator and multiband-pass filter Grant 8,847,706 - Satoh , et al. September 30, 2 | 2014-09-30 |
| Predistorter And Predistorter Control Method App 20140191799 - Ohkawara; Junya ; et al. | 2014-07-10 |
| Variable resonator and variable filter Grant 8,773,223 - Kawai , et al. July 8, 2 | 2014-07-08 |
| Multirole circuit element capable of operating as variable resonator or transmission line and variable filter incorporating the same Grant 8,760,244 - Kawai , et al. June 24, 2 | 2014-06-24 |
| Multimode frontend circuit Grant 8,648,666 - Kawai , et al. February 11, 2 | 2014-02-11 |
| Power series digital predistorter and distortion compensation control method therefor Grant 8,594,231 - Ohkawara , et al. November 26, 2 | 2013-11-26 |
| Variable resonator, variable bandwidth filter, and electric circuit device Grant 8,581,677 - Kawai , et al. November 12, 2 | 2013-11-12 |
| Bias circuit Grant 8,570,117 - Fukuda , et al. October 29, 2 | 2013-10-29 |
| Variable resonator, tunable bandwidth filter, and electric circuit device Grant 8,564,384 - Kawai , et al. October 22, 2 | 2013-10-22 |
| Multiband matching circuit and multiband power amplifier Grant 8,487,713 - Fukuda , et al. July 16, 2 | 2013-07-16 |
| Power Series Digital Predistorter And Control Method Thereof App 20130141160 - Ohkawara; Junya ; et al. | 2013-06-06 |
| Dual-band bandpass resonator and dual-band bandpass filter Grant 8,427,260 - Satoh , et al. April 23, 2 | 2013-04-23 |
| Multiband matching circuit Grant 8,416,035 - Fukuda , et al. April 9, 2 | 2013-04-09 |
| Variable Resonator, Tunable Bandwidth Filter, And Electric Circuit Device App 20130057363 - KAWAI; Kunihiro ; et al. | 2013-03-07 |
| Multiband matching circuit and multiband power amplifier Grant 8,368,483 - Fukuda , et al. February 5, 2 | 2013-02-05 |
| Variable Resonator, Variable Bandwidth Filter, And Electric Circuit Device App 20130002374 - KAWAI; Kunihiro ; et al. | 2013-01-03 |
| Variable resonator, tunable filter, and electric circuit device Grant 8,330,562 - Kawai , et al. December 11, 2 | 2012-12-11 |
| Variable resonator, tunable bandwidth filter, and electric circuit device Grant 8,324,988 - Kawai , et al. December 4, 2 | 2012-12-04 |
| Power series digital predistorter and distortion compensation control method thereof Grant 8,314,656 - Ohkawara , et al. November 20, 2 | 2012-11-20 |
| Multi-band lookup table type predistorter Grant 8,295,789 - Suzuki , et al. October 23, 2 | 2012-10-23 |
| Variable resonator, variable bandwidth filter, and electric circuit device Grant 8,294,537 - Kawai , et al. October 23, 2 | 2012-10-23 |
| Variable Matching Circuit App 20120176205 - Furuta; Takayuki ; et al. | 2012-07-12 |
| Power series digital predistorter and control method therefor Grant 8,184,739 - Ohkawara , et al. May 22, 2 | 2012-05-22 |
| Variable Resonator, Tunable Filter, And Electric Circuit Device App 20120098616 - KAWAI; Kunihiro ; et al. | 2012-04-26 |
| Duplexer and transceiver Grant 8,138,852 - Kawai , et al. March 20, 2 | 2012-03-20 |
| Multimode Frontend Circuit App 20120049985 - Kawai; Kunihiro ; et al. | 2012-03-01 |
| Signal selecting device Grant 8,125,302 - Kawai , et al. February 28, 2 | 2012-02-28 |
| Multiband Matching Circuit App 20120044026 - FUKUDA; Atsushi ; et al. | 2012-02-23 |
| Variable Impedance Matching Circuit App 20120032751 - Fukuda; Atsushi ; et al. | 2012-02-09 |
| Variable resonator, tunable filter, and electric circuit device Grant 8,106,727 - Kawai , et al. January 31, 2 | 2012-01-31 |
| Multiband Resonator And Multiband-pass Filter App 20110316652 - SATOH; Kei ; et al. | 2011-12-29 |
| Leakage power reduction apparatus Grant 8,086,191 - Fukuda , et al. December 27, 2 | 2011-12-27 |
| Radio communication device and power supplying method for radio communication device Grant 8,073,407 - Fukuda , et al. December 6, 2 | 2011-12-06 |
| Multirole Circuit Element Capable Of Operating As Variable Resonator Or Transmission Line And Variable Filter Incorporating The Same App 20110215886 - KAWAI; Kunihiro ; et al. | 2011-09-08 |
| Power Series Digital Predistorter And Distortion Compensation Control Method Thereof App 20110210789 - OHKAWARA; Junya ; et al. | 2011-09-01 |
| Non-reciprocal circuit device Grant 7,978,018 - Furuta , et al. July 12, 2 | 2011-07-12 |
| Coplanar waveguide resonator and coplanar waveguide filter using the same Grant 7,978,027 - Satoh , et al. July 12, 2 | 2011-07-12 |
| Power series predistorter and control method thereof Grant 7,948,311 - Suzuki , et al. May 24, 2 | 2011-05-24 |
| Variable Resonator And Variable Filter App 20110115574 - KAWAI; Kunihiro ; et al. | 2011-05-19 |
| Bias Circuit App 20110080230 - FUKUDA; Atsushi ; et al. | 2011-04-07 |
| Power series predistorter and control method thereof Grant 7,907,678 - Mizuta , et al. March 15, 2 | 2011-03-15 |
| Feedforward amplifier and control method thereof Grant 7,902,922 - Suzuki , et al. March 8, 2 | 2011-03-08 |
| Power Series Digital Predistorter And Distortion Compensation Control Method Therefor App 20110050339 - OHKAWARA; Junya ; et al. | 2011-03-03 |
| Power Series Digital Predistorter And Control Method Therefor App 20100295612 - OHKAWARA; Junya ; et al. | 2010-11-25 |
| Variable resonator Grant 7,825,754 - Kawai , et al. November 2, 2 | 2010-11-02 |
| Irreversible circuit element Grant 7,821,351 - Furuta , et al. October 26, 2 | 2010-10-26 |
| Cryogenic receiving amplifier and amplifying method Grant 7,795,965 - Suzuki , et al. September 14, 2 | 2010-09-14 |
| Signal switching device Grant 7,774,034 - Kawai , et al. August 10, 2 | 2010-08-10 |
| Multiband Matching Circuit And Multiband Power Amplifier App 20100194487 - FUKUDA; Atsushi ; et al. | 2010-08-05 |
| Multiband Matching Circuit And Multiband Power Amplifier App 20100194491 - FUKUDA; Atsushi ; et al. | 2010-08-05 |
| Coplanar resonator and filter using the same Grant 7,764,147 - Koizumi , et al. July 27, 2 | 2010-07-27 |
| Matching circuit Grant 7,750,757 - Fukuda , et al. July 6, 2 | 2010-07-06 |
| Matching circuit Grant 7,750,756 - Fukuda , et al. July 6, 2 | 2010-07-06 |
| Dual band resonator and dual band filter Grant 7,710,222 - Koizumi , et al. May 4, 2 | 2010-05-04 |
| Matching circuit and dual-band power amplifier Grant 7,710,217 - Fukuda , et al. May 4, 2 | 2010-05-04 |
| Power Series Predistorter And Control Method Thereof App 20100060356 - SUZUKI; Yasunori ; et al. | 2010-03-11 |
| Digital predistorter and predistortion method therefor Grant 7,672,395 - Mizuta , et al. March 2, 2 | 2010-03-02 |
| Matching circuit Grant 7,656,249 - Fukuda , et al. February 2, 2 | 2010-02-02 |
| Matching circuit and multi-band amplifier Grant 7,656,228 - Fukuda , et al. February 2, 2 | 2010-02-02 |
| Feedforward Amplifier And Control Method Thereof App 20090315622 - Suzuki; Yasunori ; et al. | 2009-12-24 |
| Multi-band lookup table type predistorter Grant 7,634,238 - Suzuki , et al. December 15, 2 | 2009-12-15 |
| Multi-band Lookup Table Type Predistorter App 20090264089 - SUZUKI; Yasunori ; et al. | 2009-10-22 |
| Multiband Doherty amplifier Grant 7,602,241 - Suzuki , et al. October 13, 2 | 2009-10-13 |
| Resonator Grant 7,583,168 - Kawai , et al. September 1, 2 | 2009-09-01 |
| Dual-band Bandpass Resonator And Dual-band Bandpass Filter App 20090212886 - Satoh; Kei ; et al. | 2009-08-27 |
| Non-reciprocal Circuit Device App 20090206942 - FURUTA; Takayuki ; et al. | 2009-08-20 |
| Tunable filter Grant 7,573,356 - Kawai , et al. August 11, 2 | 2009-08-11 |
| Planar circuit housing Grant 7,564,699 - Koizumi , et al. July 21, 2 | 2009-07-21 |
| Matching Circuit App 20090179711 - Fukuda; Atsushi ; et al. | 2009-07-16 |
| Matching Circuit App 20090167458 - FUKUDA; Atsushi ; et al. | 2009-07-02 |
| Power series type predistorter for multi-frequency bands operation Grant 7,539,464 - Suzuki , et al. May 26, 2 | 2009-05-26 |
| Quadrature hybrid circuit having variable reactances at the four ports thereof Grant 7,538,635 - Fukuda , et al. May 26, 2 | 2009-05-26 |
| Duplexer And Transceiver App 20090121803 - KAWAI; Kunihiro ; et al. | 2009-05-14 |
| Bias circuit Grant 7,532,075 - Fukuda , et al. May 12, 2 | 2009-05-12 |
| Stabilization circuit and multiband amplification circuit Grant 7,508,269 - Fukuda , et al. March 24, 2 | 2009-03-24 |
| Signal Selecting Device App 20090066443 - KAWAI; Kunihiro ; et al. | 2009-03-12 |
| Variable Circuit, Communication Apparatus, Mobile Communication Apparatus And Communication System App 20090002069 - FURUTA; Takayuki ; et al. | 2009-01-01 |
| Irreversible Circuit Element App 20080309426 - Furuta; Takayuki ; et al. | 2008-12-18 |
| Leakage Power Reduction Apparatus App 20080279122 - FUKUDA; Atsushi ; et al. | 2008-11-13 |
| Matching Circuit App 20080278260 - Fukuda; Atsushi ; et al. | 2008-11-13 |
| Dual Band Resonator And Dual Band Filter App 20080278265 - Koizumi; Daisuke ; et al. | 2008-11-13 |
| Radio Communication Device And Power Supplying Method For Radio Communication Device App 20080268796 - Fukuda; Atsushi ; et al. | 2008-10-30 |
| Coplanar Waveguide Resonator And Coplanar Waveguide Filter Using The Same App 20080238578 - Satoh; Kei ; et al. | 2008-10-02 |
| Variable Resonator, Tunable Bandwidth Filter, And Electric Circuit Device App 20080204169 - KAWAI; Kunihiro ; et al. | 2008-08-28 |
| Variable Resonator, Tunable Filter, And Electric Circuit Device App 20080204168 - Kawai; Kunihiro ; et al. | 2008-08-28 |
| Cryogenic Receiving Amplifier And Amplifying Mehtod App 20080204149 - Suzuki; Yasunori ; et al. | 2008-08-28 |
| Band selection type feed forward amplifier Grant 7,403,070 - Suzuki , et al. July 22, 2 | 2008-07-22 |
| Coupling structure, resonator excitation structure and filter for coplanar-waveguide circuit Grant 7,397,331 - Koizumi , et al. July 8, 2 | 2008-07-08 |
| Matching Circuit And Dual-band Power Amplifier App 20080150630 - Fukuda; Atsushi ; et al. | 2008-06-26 |
| Bias circuit Grant 7,385,450 - Fukuda , et al. June 10, 2 | 2008-06-10 |
| Matching Circuit And Multi-band Amplifier App 20080129410 - FUKUDA; Atsushi ; et al. | 2008-06-05 |
| Filter with improved capacitive coupling portion Grant 7,378,924 - Koizumi , et al. May 27, 2 | 2008-05-27 |
| Bias Circuit App 20080100383 - FUKUDA; Atsushi ; et al. | 2008-05-01 |
| Variable Resonator, Variable Bandwidth Filter, And Electric Circuit Device App 20080061909 - KAWAI; Kunihiro ; et al. | 2008-03-13 |
| Feed forward amplifier for multiple frequency bands Grant 7,336,128 - Suzuki , et al. February 26, 2 | 2008-02-26 |
| High sensitivity radio receiver Grant 7,327,996 - Chen , et al. February 5, 2 | 2008-02-05 |
| Multiband Doherty Amplifier App 20080007331 - SUZUKI; Yasunori ; et al. | 2008-01-10 |
| Signal switching device Grant 7,307,045 - Kawai , et al. December 11, 2 | 2007-12-11 |
| Variable resonator and variable phase shifter Grant 7,292,124 - Kawai , et al. November 6, 2 | 2007-11-06 |
| Signal Switching Device App 20070230450 - Kawai; Kunihiro ; et al. | 2007-10-04 |
| Planar circuit housing App 20070223202 - Koizumi; Daisuke ; et al. | 2007-09-27 |
| Tunable Filter App 20070200651 - Kawai; Kunihiro ; et al. | 2007-08-30 |
| Coplanar waveguide filter and method of forming same Grant 7,245,195 - Satoh , et al. July 17, 2 | 2007-07-17 |
| Stabilization Circuit And Multiband Amplification Circuit App 20070115065 - Fukuda; Atsushi ; et al. | 2007-05-24 |
| Variable Resonator App 20070103261 - Kawai; Kunihiro ; et al. | 2007-05-10 |
| Coplanar resonator and filter using the same App 20070052502 - Koizumi; Daisuke ; et al. | 2007-03-08 |
| Multi-band look-up table type predistorter Grant 7,183,847 - Suzuki , et al. February 27, 2 | 2007-02-27 |
| Casing contained filter Grant 7,183,874 - Satoh , et al. February 27, 2 | 2007-02-27 |
| Multi-band predistorter using power series representation Grant 7,170,344 - Suzuki , et al. January 30, 2 | 2007-01-30 |
| Coplanar waveguide resonator Grant 7,161,449 - Satoh , et al. January 9, 2 | 2007-01-09 |
| Band selection type feed forward amplifier App 20060273854 - Suzuki; Yasunori ; et al. | 2006-12-07 |
| Power series type predistorter for multi-frequency bands operation App 20060276147 - Suzuki; Yasunori ; et al. | 2006-12-07 |
| Feed forward amplifier for multiple frequency bands App 20060273853 - Suzuki; Yasunori ; et al. | 2006-12-07 |
| Multi-band lookup table type predistorter App 20060276146 - Suzuki; Yasunori ; et al. | 2006-12-07 |
| Power series predistorter and control method thereof App 20060262880 - Mizuta; Shinji ; et al. | 2006-11-23 |
| Matching circuit App 20060261911 - Fukuda; Atsushi ; et al. | 2006-11-23 |
| Multi-band feed-forward amplifier and adjustment method therefor Grant 7,126,422 - Suzuki , et al. October 24, 2 | 2006-10-24 |
| Quadrature hybrid circuit App 20060232359 - Fukuda; Atsushi ; et al. | 2006-10-19 |
| Bias circuit App 20060202764 - Fukuda; Atsushi ; et al. | 2006-09-14 |
| Coupling structure, resonator excitation structure and filter for coplanar-waveguide circuit App 20060193559 - Koizumi; Daisuke ; et al. | 2006-08-31 |
| Resonator App 20060087388 - Kawai; Kunihiro ; et al. | 2006-04-27 |
| Digital predistorter and predistortion method therefor App 20060088124 - Mizuta; Shinji ; et al. | 2006-04-27 |
| High-sensitivity wireless receiving device and high-frequency unit used therefor Grant 6,963,758 - Narahashi , et al. November 8, 2 | 2005-11-08 |
| Coplanar waveguide filter and method of forming same App 20050206480 - Satoh, Kei ; et al. | 2005-09-22 |
| Filter App 20050206481 - Koizumi, Daisuke ; et al. | 2005-09-22 |
| Variable resonator and variable phase shifter App 20050190018 - Kawai, Kunihiro ; et al. | 2005-09-01 |
| Filter App 20050184826 - Satoh, Kei ; et al. | 2005-08-25 |
| Multi-band predistorter using power series representation App 20050168283 - Suzuki, Yasunori ; et al. | 2005-08-04 |
| Multi-band look-up table type predistorter App 20050162225 - Suzuki, Yasunori ; et al. | 2005-07-28 |
| Multi-band feed-forward amplifier and adjustment method therefor App 20050163254 - Suzuki, Yasunori ; et al. | 2005-07-28 |
| Coplanar waveguide resonator App 20050088259 - Satoh, Kei ; et al. | 2005-04-28 |
| High sensitivity radio receiver App 20040162042 - Chen, Ning ; et al. | 2004-08-19 |
| Signal switching device App 20040097379 - Kawai, Kunihiro ; et al. | 2004-05-20 |
| High-sensitivity wireless receiving device and high-frequency unit used therefor App 20020173343 - Narahashi, Shoichi ; et al. | 2002-11-21 |
| High sensitivity radio receiver Grant 6,480,706 - Mimura , et al. November 12, 2 | 2002-11-12 |
| Feedforward amplifier Grant 6,208,204 - Suzuki , et al. March 27, 2 | 2001-03-27 |
| Signal multiplexer and multiplexing method Grant 5,790,555 - Narahashi , et al. August 4, 1 | 1998-08-04 |
| Feed-forward amplifier Grant 5,166,634 - Narahashi , et al. November 24, 1 | 1992-11-24 |
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