Inventor · disambiguated record
Akihiro Nakahara
Also filed as: NAKAHARA AKIHIRO
64 granted patents·7 pending applications·1,957 citations·filing 1984–2021
99Inventor score
Files withSUMITOMO RUBBER IND24RENESAS ELECTRONICS CORP18NAKAHARA AKIHIRO17NEC ELECTRONICS CORP6NEC CORP2
Top patents by PatentIndex Score
71 records- 0199US5002281AThree-piece solid golf ballSUMITOMO RUBBER IND·Filed 1990·Granted Mar 26, 1991·408 cites·3 claims
- 0298US4863167AMulti-piece solid golf ballSUMITOMO RUBBER IND·Filed 1988·Granted Sep 5, 1989·300 cites·16 claims
- 0397US4714253AThree-piece solid golf ballSUMITOMO RUBBER IND·Filed 1985·Granted Dec 22, 1987·281 cites·6 claims
- 0496US5072944AThree-piece solid golf ballSUMITOMO RUBBER IND·Filed 1990·Granted Dec 17, 1991·209 cites·4 claims
- 0591US8351172B2Power supply control apparatusRENESAS ELECTRONICS CORP·Filed 2012·Granted Jan 8, 2013·9 cites·12 claims
- 0691US8270133B2Power supply control apparatusNAKAHARA AKIHIRO·Filed 2010·Granted Sep 18, 2012·10 cites·16 claims
- 0789US10031164B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Jul 24, 2018·6 cites·13 claims
- 0888US8116051B2Power supply control circuitNAKAHARA AKIHIRO·Filed 2008·Granted Feb 14, 2012·16 cites·16 claims
- 0987US8547142B2Power semiconductor device and operation method thereofNAKAHARA AKIHIRO·Filed 2011·Granted Oct 1, 2013·9 cites·20 claims
- 1086US9673803B2Semiconductor device, and on-vehicle electronic device and automobile each including semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2015·Granted Jun 6, 2017·5 cites·10 claims
- 1186US6392392B1Over-current detecting circuitNEC CORP·Filed 2000·Granted May 21, 2002·32 cites·3 claims
- 1286US4561657AGolf ballSUMITOMO RUBBER IND·Filed 1984·Granted Dec 31, 1985·62 cites·3 claims
- 1384US8717727B2Power supply control apparatus including overcurrent detection circuitRENESAS ELECTRONICS CORP·Filed 2013·Granted May 6, 2014·4 cites·17 claims
- 1484US8031450B2Power supply control circuitRENESAS ELECTRONICS CORP·Filed 2008·Granted Oct 4, 2011·12 cites·22 claims
- 1583US8879227B2Current limiting circuitRENESAS ELECTRONICS CORP·Filed 2013·Granted Nov 4, 2014·5 cites·11 claims
- 1683US7576964B2Overvoltage protection circuit of output MOS transistorNEC ELECTRONICS CORP·Filed 2004·Granted Aug 18, 2009·24 cites·9 claims
- 1782US8242830B2Power supply control circuitSOMA OSAMU·Filed 2010·Granted Aug 14, 2012·9 cites·7 claims
- 1882US6492862B2Charge pump type voltage conversion circuit having small ripple voltage componentsNEC CORP·Filed 2001·Granted Dec 10, 2002·41 cites·14 claims
- 1981US9537303B2Semiconductor device and electric control deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted Jan 3, 2017·4 cites·10 claims
- 2081US8390340B2Load driving deviceNAKAHARA AKIHIRO·Filed 2011·Granted Mar 5, 2013·6 cites·10 claims
- 2181US8314638B2Comparator circuitNAKAHARA AKIHIRO·Filed 2010·Granted Nov 20, 2012·5 cites·17 claims
- 2280US6661260B2Output circuit of semiconductor circuit with power consumption reducedNEC ELECTRONICS CORP·Filed 2002·Granted Dec 9, 2003·23 cites·16 claims
- 2378US8446185B2Load driving deviceNAKAHARA AKIHIRO·Filed 2011·Granted May 21, 2013·4 cites·19 claims
- 2478US8174808B2Load driving deviceNAKAHARA AKIHIRO·Filed 2008·Granted May 8, 2012·7 cites·19 claims
- 2578US8054106B2Load driving deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Nov 8, 2011·7 cites·19 claims
- 2676US6096830AThermoplastic elastomer composition, process for producing the same and golf ball using the same for coverSUMITOMO RUBBER IND·Filed 1996·Granted Aug 1, 2000·33 cites·11 claims
- 2776US5288446AProduction of rubber articleSUMITOMO RUBBER IND·Filed 1992·Granted Feb 22, 1994·22 cites·11 claims
- 2876US5242721AStructural member of pipe shapeSUMITOMO RUBBER IND·Filed 1990·Granted Sep 7, 1993·33 cites·23 claims
- 2974US8493702B2Current limiting circuitNAKAHARA AKIHIRO·Filed 2011·Granted Jul 23, 2013·3 cites·9 claims
- 3074US5967907AMulti-piece solid golf ballSUMITOMO RUBBER IND·Filed 1997·Granted Oct 19, 1999·47 cites·12 claims
- 3173US10547170B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Jan 28, 2020·2 cites·14 claims
- 3272US8242809B2Comparator circuitNAKAHARA AKIHIRO·Filed 2010·Granted Aug 14, 2012·3 cites·18 claims
- 3371US8638534B2Load driving deviceNAKAHARA AKIHIRO·Filed 2010·Granted Jan 28, 2014·3 cites·19 claims
- 3471US8116052B2Power supply control circuit including overvoltage protection circuitNAKAHARA AKIHIRO·Filed 2008·Granted Feb 14, 2012·6 cites·20 claims
- 3571US6692381B2Solid golf ballSUMITOMO RUBBER IND·Filed 2002·Granted Feb 17, 2004·20 cites·10 claims
- 3670US8373494B2Power supply control circuitRENESAS ELECTRONICS CORP·Filed 2010·Granted Feb 12, 2013·3 cites·8 claims
- 3770US6309706B2Coating material for golf ball and golf ball coated with the sameSUMITOMO RUBBER IND·Filed 1999·Granted Oct 30, 2001·39 cites·12 claims
- 3868US7834669B2Semiconductor output circuit for controlling power supply to a loadNEC ELECTRONICS CORP·Filed 2008·Granted Nov 16, 2010·5 cites·19 claims
- 3966US8884682B2Power semiconductor deviceNAKAHARA AKIHIRO·Filed 2012·Granted Nov 11, 2014·2 cites·6 claims
- 4066US6335392B1Outsole of shoesSUMITOMO RUBBER IND·Filed 1999·Granted Jan 1, 2002·51 cites·3 claims
- 4165US5733977ASolid golf ballSUMITOMO RUBBER IND·Filed 1996·Granted Mar 31, 1998·34 cites·15 claims
- 4264US8289669B2Semiconductor device including over voltage protection circuit having gate discharge circuit operated based on temperature and voltage as to output transistorNAKAHARA AKIHIRO·Filed 2009·Granted Oct 16, 2012·4 cites·20 claims
- 4361US9762053B2Load driving deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Sep 12, 2017·1 cites·17 claims
- 4461US6126560AMethod of making hollow golf ballSUMITOMO RUBBER IND·Filed 1999·Granted Oct 3, 2000·19 cites·5 claims
- 4559US5348777AStructural member of pipe shapeSUMITOMO RUBBER IND·Filed 1993·Granted Sep 20, 1994·26 cites·20 claims
- 4657US10607985B2Semiconductor device, and on-vehicle electronic device and automobile each including the semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Mar 31, 2020·0 cites·20 claims
- 4755US5376726AShort fiber-reinforced rubberSUMITOMO RUBBER IND·Filed 1992·Granted Dec 27, 1994·14 cites·7 claims
- 4852US4556220ASolid golf ballsSUMITOMO RUBBER IND·Filed 1984·Granted Dec 3, 1985·20 cites·5 claims
- 4951US2018306844A1Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Application pending·0 cites
- 5050US8848328B2Load driving deviceNAKAHARA AKIHIRO·Filed 2010·Granted Sep 30, 2014·0 cites·19 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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