Inventor · disambiguated record
Hiroshi Miyagi
Also filed as: MIYAGI HIROSHI
45 granted patents·59 pending applications·141 citations·filing 1987–2023
97Inventor score
Files withNIIGATA SEIMITSU CO LTD44NISHIMUTA TAKEFUMI6NSC CO LTD6TOYOTA JIDOSHOKKI KK6MIYAGI HIROSHI5
Top patents by PatentIndex Score
104 records- 0178US7403140B2Receiver, digital-analog converter and tuning circuitNIIGATA SEIMITSU CO LTD·Filed 2007·Granted Jul 22, 2008·7 cites·6 claims
- 0277US7286804B2Receiver digital-analog converter and tuning circuitNIIGATA SEIMITSU CO LTD·Filed 2003·Granted Oct 23, 2007·15 cites·7 claims
- 0376US9050243B2Multilayered body for medical containers and medical containerNAKAMURA MANABU·Filed 2007·Granted Jun 9, 2015·2 cites·19 claims
- 0473US7920835B2FM transmitterRICOH CO LTD·Filed 2006·Granted Apr 5, 2011·5 cites·25 claims
- 0572US7561863B2Automatic gain control deviceNIIGATA SEIMITSU CO LTD·Filed 2006·Granted Jul 14, 2009·5 cites·5 claims
- 0663US7049895B2FET band amplifierNIIGATA SEIMITSU CO LTD·Filed 2005·Granted May 23, 2006·3 cites·15 claims
- 0761US7120407B2Receiver and its tracking adjusting methodNIIGATA SEIMITSU CO LTD·Filed 2001·Granted Oct 10, 2006·6 cites·4 claims
- 0860US7443240B2AM intermediate frequency variable gain amplifier circuit, variable gain amplifier circuit and its semiconductor integrated circuitTOYOTA JIDOSHOKKI KK·Filed 2004·Granted Oct 28, 2008·7 cites·8 claims
- 0959USRE42334ESmoothing circuit employing charging circuit intermittently charging when input voltage is higher relatively than terminal voltage and discharging circuit intermittently releasing discharging current when terminal voltage is higher relatively than input voltageRICOH CO LTD·Filed 2001·Granted May 10, 2011·5 cites·15 claims
- 1058US6930552B2FET band amplifierNIIGATA SEIMITSU CO LTD·Filed 2002·Granted Aug 16, 2005·6 cites·30 claims
- 1157US7046086B2FET band amplifierNIIGATA SEIMITSU CO LTD·Filed 2005·Granted May 16, 2006·2 cites·15 claims
- 1256US7576578B2Frequency synthesizer and charge pump circuit used for the sameNIIGATA SEIMITSU CO LTD·Filed 2007·Granted Aug 18, 2009·3 cites·1 claims
- 1356US7551906B2AM/FM radio receiver and local oscillator circuit used thereinNIIGATA SEIMITSU CO LTD·Filed 2006·Granted Jun 23, 2009·3 cites·22 claims
- 1453US7253776B2FM radio receiverNEURO SOLUTION CORP·Filed 2006·Granted Aug 7, 2007·1 cites·17 claims
- 1553US7142834B2Noise removing circuitTOYOTA JIDOSHOKKI AND NIIGATA·Filed 2002·Granted Nov 28, 2006·7 cites·13 claims
- 1653US7055072B2Memory systemNIIGATA SEIMITSU CO LTD·Filed 2001·Granted May 30, 2006·3 cites·5 claims
- 1753US6744307B2Filter circuitNIIGATA SEIMITSU CO LTD·Filed 2003·Granted Jun 1, 2004·5 cites·14 claims
- 1852US7432769B2Oscillator circuitTOYOTA JIDOSHOKKI KK·Filed 2003·Granted Oct 7, 2008·8 cites·20 claims
- 1952US6919710B2Smoothing circuitNIIGATA SEIMITSU CO LTD·Filed 2001·Granted Jul 19, 2005·3 cites·15 claims
- 2051US7368981B2Limit circuitNIIGATA SEIMITSU CO LTD·Filed 2001·Granted May 6, 2008·6 cites·20 claims
- 2151US7212794B2Receiver with a crystal oscillator having a natural-oscillation frequency set so that a fundamental component and its harmonics are outside the range of a receiving band of a modulated wave signalNIIGATA SEIMITSU CO LTD·Filed 2002·Granted May 1, 2007·2 cites·3 claims
- 2251US6844780B1Automatic gain control circuitNIIGATA SEIMITSU CO LTD·Filed 2002·Granted Jan 18, 2005·3 cites·6 claims
- 2351US2025317014A1Power generator and power generation system using sameKAISEI CORP·Filed 2023·Application pending·0 cites
- 2448US7269399B2Receiver of double conversion system with antenna tuning with variable capacitance using digital-to-analog converter having temperature coefficient setting sectionNIIGATA SEIMITSU CO LTD·Filed 2003·Granted Sep 11, 2007·2 cites·10 claims
- 2548US2009117870A1ReceiverIKEDA TAKESHI·Filed 2008·Application pending·0 cites
- 2646US8314449B2MIS transistor and CMOS transistorNISHIMUTA TAKEFUMI·Filed 2009·Granted Nov 20, 2012·0 cites·1 claims
- 2746US7944321B2Harmonic suppressing circuitRICOH CO LTD·Filed 2006·Granted May 17, 2011·0 cites·1 claims
- 2846US7876169B2Modulating circuitRICOH CO LTD·Filed 2006·Granted Jan 25, 2011·0 cites·5 claims
- 2946US6906589B2Multistaged amplification circuitNIIGATA SEIMITSU CO LTD·Filed 2003·Granted Jun 14, 2005·4 cites·7 claims
- 3046US6774720B2Electric field intensity detecting circuit and limiter amplifierNIIGATA SEIMITSU CO LTD·Filed 2003·Granted Aug 10, 2004·4 cites·7 claims
- 3145US2003126612A1Data transmission system, data transmitter, and remote control methodNIIGATA SEIMITSU CO LTD·Filed 2003·Application pending·0 cites
- 3244US7280079B2Adapter device for car radioNEURO SOLUTION CORP·Filed 2006·Granted Oct 9, 2007·0 cites·12 claims
- 3343US7496419B2Modulation output deviceNIIGATA SEIMITSU CO LTD·Filed 2006·Granted Feb 24, 2009·0 cites·15 claims
- 3443US2006040627A1Fm receiver, noise eliminating apparatus of fm receiver, and noise eliminating method thereofNIIGATA SEIMITSU CO LTD·Filed 2003·Application pending·0 cites
- 3542US8058862B2Reference voltage generation circuitIKEDA TAKESHI·Filed 2007·Granted Nov 15, 2011·0 cites·6 claims
- 3642US7133653B2Receiver and composite component having local oscillator components and mixing circuit integrally formed on semiconductor substrateNIIGATA SEIMITSU CO LTD·Filed 2002·Granted Nov 7, 2006·0 cites·7 claims
- 3742US7130597B2Receiver having high-frequency amplifier circuit portions integrally formed on a semiconductor substrateNIIGATA SEIMITSU CO LTD·Filed 2002·Granted Oct 31, 2006·0 cites·5 claims
- 3842US7038548B2Amplifier circuit for AM broadcastingNIIGATA SEIMITSU CO LTD·Filed 2004·Granted May 2, 2006·2 cites·4 claims
- 3942US6954106B2FET band amplifierNIIGATA SEMITSU CO LTD·Filed 2002·Granted Oct 11, 2005·3 cites·31 claims
- 4042US5489652AInjection-molded articlesSUMITOMO CHEMICAL CO·Filed 1995·Granted Feb 6, 1996·7 cites·10 claims
- 4142US2005122243A1Semiconductor integrated circuit for a radio apparatus and radio communication apparatusFiled 2003·Application pending·0 cites
- 4242US2005089119A1ReceiverFiled 2002·Application pending·0 cites
- 4342US2009298454A1ReceiverNIIGATA SEIMITSU CO LTD·Filed 2006·Application pending·0 cites
- 4442US2007194998A1Antenna for portable terminal and portable terminalNIIGATA SEIMITSU CO LTD·Filed 2007·Application pending·0 cites
- 4542US2006008090A1Separation adjusting circuitNIIGATA SEIMITSU CO LTD·Filed 2003·Application pending·0 cites
- 4642US2006063499A1VHF band receiverMIYAGI HIROSHI·Filed 2005·Application pending·0 cites
- 4742US2009268916A1Fm transmitterNIIGATA SEIMITSU CO LTD·Filed 2006·Application pending·0 cites
- 4842US2009011729A1Fm transmitterNIIGATA SEIMITSU CO LTD·Filed 2006·Application pending·0 cites
- 4942US2008311872A1Broadcast Signal Receiving ApparatusNEURO SOLUTION CORP·Filed 2006·Application pending·0 cites
- 5042US2009213960A1TransmitterNSC CO LTD·Filed 2009·Application pending·0 cites
Showing the top 50 of 104 patent records by PatentIndex Score.
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