Inventor · disambiguated record
Hirokazu Kawagoshi
Also filed as: KAWAGOSHI HIROKAZU
18 granted patents·9 pending applications·138 citations·filing 1997–2017
93Inventor score
Top patents by PatentIndex Score
27 records- 0183US7940113B2Fuse trimming circuit with higher reliabilityRENESAS ELECTRONICS CORP·Filed 2006·Granted May 10, 2011·6 cites·20 claims
- 0282US7084697B2Charge pump circuit capable of completely cutting off parasitic transistorsNEC ELECTRONICS CORP·Filed 2004·Granted Aug 1, 2006·26 cites·18 claims
- 0381US9760101B2Switching regulator control circuitRENESAS ELECTRONICS CORP·Filed 2013·Granted Sep 12, 2017·5 cites·14 claims
- 0480US7358794B2Power supply circuitNEC ELECTRONICS CORP·Filed 2005·Granted Apr 15, 2008·16 cites·18 claims
- 0579US8373695B2Apparatus and method for driving display panel including control of charge pumpRENESAS ELECTRONICS CORP·Filed 2007·Granted Feb 12, 2013·6 cites·29 claims
- 0677US9093964B2Differential amplifier and control method for the sameKAWAGOSHI HIROKAZU·Filed 2010·Granted Jul 28, 2015·6 cites·13 claims
- 0774US6512342B2Brushless motor driving deviceNEC CORP·Filed 2002·Granted Jan 28, 2003·21 cites·6 claims
- 0872US8310479B2Display panel drive apparatus and display panel drive methodKAWAGOSHI HIROKAZU·Filed 2009·Granted Nov 13, 2012·2 cites·4 claims
- 0962US6433496B1Semiconductor integrated circuit for motor controlNEC CORP·Filed 1998·Granted Aug 13, 2002·27 cites·6 claims
- 1060US8143938B2Boost circuit and liquid crystal display device using boost circuitKAWAGOSHI HIROKAZU·Filed 2010·Granted Mar 27, 2012·2 cites·9 claims
- 1160US7466187B2Booster circuitNEC ELECTRONICS CORP·Filed 2006·Granted Dec 16, 2008·5 cites·10 claims
- 1255US7236042B2Fuse trimming circuitNEC ELECTRONICS CORP·Filed 2005·Granted Jun 26, 2007·3 cites·4 claims
- 1354US6518804B2Semiconductor integrated circuit deviceNEC CORP·Filed 2002·Granted Feb 11, 2003·6 cites·11 claims
- 1453US7177167B2Semiconductor device containing charge pump type step-up circuit featuring bipolar transistor for carrying out initial chargingNEC ELECTRONICS CORP·Filed 2006·Granted Feb 13, 2007·3 cites·20 claims
- 1552US2015317943A1Differential amplifier and control method for the sameRENESAS ELECTRONICS CORP·Filed 2015·Application pending·0 cites
- 1651US2017364107A1Switching regulator control circuitRENESAS ELECTRONICS CORP·Filed 2017·Application pending·0 cites
- 1744US2013002644A1Differential amplifier, method for inverting output polarity of the same, and source driverRENESAS ELECTRONICS CORP·Filed 2012·Application pending·0 cites
- 1842US8289081B2Differential amplifier, method for inverting output polarity of the same, and source driverKAWAGOSHI HIROKAZU·Filed 2011·Granted Oct 16, 2012·0 cites·19 claims
- 1942US8198879B2Booster circuit and PWM signal generatorKAWAGOSHI HIROKAZU·Filed 2010·Granted Jun 12, 2012·0 cites·7 claims
- 2042US2012019502A1Source driver for a liquid crystal display device and liquid crystal display device using the sameKAWAGOSHI HIROKAZU·Filed 2011·Application pending·0 cites
- 2141US2011018853A1Signal line driving circuit and liquid crystal display deviceNEC ELECTRONICS CORP·Filed 2010·Application pending·0 cites
- 2241US2010181972A1Voltage regulator circuitNEC ELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 2337US2011084675A1Booster circuitRENESAS ELECTRONICS CORP·Filed 2010·Application pending·0 cites
- 2437US2007262757A1Power supply apparatus capable of decreasing ripple component and display apparatus using the sameNEC ELECTRONICS CORP·Filed 2007·Application pending·0 cites
- 2532US6043618AMotor driving apparatus having back-gate-floating MOSFET for avoiding reverse currentNEC CORP·Filed 1998·Granted Mar 28, 2000·3 cites·7 claims
- 2632US2012092322A1Liquid crystal display drive circuit and method for driving sameENJOU HIROYASU·Filed 2011·Application pending·0 cites
- 2731US5869865ALateral field effect transistor with minimum total on-resistanceNEC CORP·Filed 1997·Granted Feb 9, 1999·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →