Inventor · disambiguated record
Taiwa Okanobu
Also filed as: OKANOBU TAIWA
53 granted patents·2 pending applications·683 citations·filing 1974–2018
98Inventor score
Files withSONY CORP47OKANOBU TAIWA3SONY DEUTSCHLAND GMBH1SONY SEMICONDUCTOR SOLUTIONS CORP1TAKAHASHI KATSUAKI1
Top patents by PatentIndex Score
55 records- 0195US5020147AFM/AM broadcast signal converterSONY CORP·Filed 1989·Granted May 28, 1991·119 cites·25 claims
- 0293US7373124B2ReceiverSONY CORP·Filed 2005·Granted May 13, 2008·20 cites·6 claims
- 0391US6529100B1Polyphase filter and receiver using the sameSONY CORP·Filed 2000·Granted Mar 4, 2003·49 cites·11 claims
- 0488US4581593AVariable frequency oscillating circuitSONY CORP·Filed 1984·Granted Apr 8, 1986·46 cites·20 claims
- 0585US7944268B2Switch circuit, variable capacitor circuit and IC of the sameSONY CORP·Filed 2007·Granted May 17, 2011·13 cites·7 claims
- 0684US5942935AFilter circuitSONY CORP·Filed 1997·Granted Aug 24, 1999·47 cites·4 claims
- 0784US4965528ACross-coupled differential amplifierSONY CORP·Filed 1989·Granted Oct 23, 1990·30 cites·11 claims
- 0879US5584066ACorrecting circuit for mixing circuit receiver using same and frequency spectrum inverting circuit using sameSONY CORP·Filed 1994·Granted Dec 10, 1996·49 cites·14 claims
- 0977US7728668B2Variable-gain amplification circuit, receiver and receiver ICSONY CORP·Filed 2008·Granted Jun 1, 2010·6 cites·11 claims
- 1073US7505746B2IC receiver to minimize tracking errorSONY CORP·Filed 2006·Granted Mar 17, 2009·4 cites·4 claims
- 1172US8649738B2High-frequency amplifier and radio communication apparatusTAKAHASHI KATSUAKI·Filed 2010·Granted Feb 11, 2014·5 cites·19 claims
- 1272US8212420B2Variable capacitance circuitOKANOBU TAIWA·Filed 2007·Granted Jul 3, 2012·5 cites·5 claims
- 1369US5757921ARadio communication apparatus having common oscillator applied for PLL, conversion and scramble/descramble circuitsSONY CORP·Filed 1996·Granted May 26, 1998·36 cites·10 claims
- 1468US8208076B2Front end circuitOKANOBU TAIWA·Filed 2007·Granted Jun 26, 2012·4 cites·12 claims
- 1568US7330707B2Hetrodyne receiver and ICSONY CORP·Filed 2002·Granted Feb 12, 2008·10 cites·9 claims
- 1667US6904103B2Receiving device and integrated circuit for receptionSONY CORP·Filed 2001·Granted Jun 7, 2005·6 cites·17 claims
- 1765US7382836B2Receiving device and integrated circuit for receptionSONY CORP·Filed 2005·Granted Jun 3, 2008·2 cites·1 claims
- 1865US6813310B1Receiver and IC thereof capable of receiving analog broadcast and digital broadcastSONY CORP·Filed 2000·Granted Nov 2, 2004·5 cites·14 claims
- 1964US4629914APhase comparing circuitSONY CORP·Filed 1984·Granted Dec 16, 1986·14 cites·14 claims
- 2063US7979040B2Method for adjusting tuning circuit and receiver circuitSONY CORP·Filed 2008·Granted Jul 12, 2011·2 cites·4 claims
- 2162US5428835AAM receiver on semi-conductor with internally generated oscillation signal representing if band pass filter center frequency deviationSONY CORP·Filed 1993·Granted Jun 27, 1995·24 cites·1 claims
- 2262US4560920AVoltage to current converting circuitSONY CORP·Filed 1984·Granted Dec 24, 1985·10 cites·20 claims
- 2360US7509106B2Test signal generation circuit, and reception circuitSONY CORP·Filed 2005·Granted Mar 24, 2009·3 cites·7 claims
- 2459US7164895B2Antenna tuned circuit for a superheterodyne receiverSONY CORP·Filed 2002·Granted Jan 16, 2007·4 cites·1 claims
- 2559US5758265ATransmitting and receiving apparatus for incorporation into an integrated circuitSONY CORP·Filed 1995·Granted May 26, 1998·27 cites·5 claims
- 2658US7212796B2Antenna unit and receiving circuitSONY CORP·Filed 2001·Granted May 1, 2007·9 cites·13 claims
- 2758US6788747B1Receiver capable of receiving analog broadcast and digital broadcast and IC for the sameSONY CORP·Filed 2000·Granted Sep 7, 2004·5 cites·13 claims
- 2855US7079602B1Receiving apparatus and method and provision mediumSONY CORP·Filed 2000·Granted Jul 18, 2006·3 cites·7 claims
- 2955US5710997ASuperheterodyne receiver apparatusSONY CORP·Filed 1996·Granted Jan 20, 1998·22 cites·8 claims
- 3054US4567444ACurrent mirror circuit with control means for establishing an input-output current ratioSONY CORP·Filed 1984·Granted Jan 28, 1986·11 cites·3 claims
- 3152US11038462B2Semiconductor device and wireless communication apparatusSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2018·Granted Jun 15, 2021·0 cites·17 claims
- 3249US7362825B2Receiving device and integrated circuit for receptionSONY CORP·Filed 2005·Granted Apr 22, 2008·0 cites·1 claims
- 3346US6999525B2Receiving device and integrated circuit for receptionSONY CORP·Filed 2005·Granted Feb 14, 2006·0 cites·1 claims
- 3445US5285172ACurrent mirror power amplifier with gain controlled by resistor-capacitor networkSONY CORP·Filed 1992·Granted Feb 8, 1994·8 cites·2 claims
- 3542US6714600B1ReceiverSONY CORP·Filed 1999·Granted Mar 30, 2004·11 cites·5 claims
- 3641US5566365AActive filter circuit and portable telephone apparatusSONY CORP·Filed 1995·Granted Oct 15, 1996·9 cites·12 claims
- 3740US4639659ADC-DC converterSONY CORP·Filed 1986·Granted Jan 27, 1987·7 cites·9 claims
- 3839US8676146B2Electronic apparatus, dispersion adjustment method of IC internal component section of electronic apparatus and ICYOSHIDA NARUHIRO·Filed 2009·Granted Mar 18, 2014·0 cites·15 claims
- 3939US5404587AAFC circuit and IC of the same adapted for lower heterodyne conversion and upper heterodyne conversionSONY CORP·Filed 1993·Granted Apr 4, 1995·7 cites·4 claims
- 4039US5349285APower supply circuitSONY CORP·Filed 1993·Granted Sep 20, 1994·9 cites·5 claims
- 4138US6466776B1Receiver and method of receptionSONY CORP·Filed 1999·Granted Oct 15, 2002·8 cites·23 claims
- 4238US4933972AStereo multiplex demodulatorSONY CORP·Filed 1989·Granted Jun 12, 1990·5 cites·3 claims
- 4338US4739517AAutodyne receiverSONY CORP·Filed 1986·Granted Apr 19, 1988·5 cites·14 claims
- 4438US4309656ALevel indicating circuitSONY CORP·Filed 1980·Granted Jan 5, 1982·5 cites·10 claims
- 4538US2005221779A1AGC circuitOKANOBU TAIWA·Filed 2005·Application pending·0 cites
- 4637US2001016480A1Reception IC and receiving apparatus employing the sameFiled 2000·Application pending·0 cites
- 4735US4578807AFM stereo multiplex demodulatorSONY CORP·Filed 1984·Granted Mar 25, 1986·3 cites·18 claims
- 4835US4318050AAM Detecting circuitSONY CORP·Filed 1980·Granted Mar 2, 1982·3 cites·3 claims
- 4934US3938047AControl circuit for use with amplifierSONY CORP·Filed 1974·Granted Feb 10, 1976·2 cites·4 claims
- 5033US7433476B2Automatic gain controlSONY DEUTSCHLAND GMBH·Filed 2002·Granted Oct 7, 2008·0 cites·18 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Taiwa Okanobu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →