Inventor · disambiguated record
Isao Yoshida
Also filed as: ITO HIDEFUMI · ITOH HIDEFUMI · OYAMA TOMIO · YOSHIDA ISAO
119 granted patents·5 pending applications·2,629 citations·filing 1974–2017
99Inventor score
Top patents by PatentIndex Score
124 records- 0198US7301047B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Nov 27, 2007·57 cites·23 claims
- 0298US4317055AHigh-voltage circuit for insulated gate field-effect transistorHITACHI LTD·Filed 1979·Granted Feb 23, 1982·137 cites·12 claims
- 0398US4086642AProtective circuit and device for metal-oxide-semiconductor field effect transistor and method for fabricating the deviceHITACHI LTD·Filed 1976·Granted Apr 25, 1978·119 cites·4 claims
- 0497US7439006B2Salt suitable for an acid generator and a chemically amplified positive resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2007·Granted Oct 21, 2008·41 cites·21 claims
- 0597US7262321B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Aug 28, 2007·42 cites·25 claims
- 0696US8236842B2Salt and process for producing acid generatorYOSHIDA ISAO·Filed 2011·Granted Aug 7, 2012·22 cites·11 claims
- 0796US6453629B1Roofing tile having photovoltaic module to generate powerKANEKA CORP·Filed 2000·Granted Sep 24, 2002·138 cites·16 claims
- 0896US6360497B1Photovoltaic cell module tileKANEKA CORP·Filed 2000·Granted Mar 26, 2002·123 cites·17 claims
- 0995US8124803B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameYOSHIDA ISAO·Filed 2006·Granted Feb 28, 2012·23 cites·25 claims
- 1095US7932334B2Resin suitable for an acid generatorSUMITOMO CHEMICAL CO·Filed 2006·Granted Apr 26, 2011·26 cites·7 claims
- 1195US6865399B2Mobile telephone apparatusRENESAS TECH CORP·Filed 2002·Granted Mar 8, 2005·93 cites·7 claims
- 1294US6492872B1High frequency power amplifying module and wireless communication apparatusHITACHI LTD·Filed 2000·Granted Dec 10, 2002·68 cites·8 claims
- 1394US4172260AInsulated gate field effect transistor with source field shield extending over multiple region channelHITACHI LTD·Filed 1977·Granted Oct 23, 1979·79 cites·11 claims
- 1493US6384688B1High-frequency power amplifier moduleHITACHI LTD·Filed 1998·Granted May 7, 2002·87 cites·6 claims
- 1592US8802352B2Salt, photoresist composition and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Aug 12, 2014·7 cites·6 claims
- 1692US7786322B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted Aug 31, 2010·12 cites·1 claims
- 1792USD353381SInternal combustion engineHONDA MOTOR CO LTD·Filed 1993·Granted Dec 13, 1994·38 cites·1 claims
- 1891US7531686B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted May 12, 2009·11 cites·17 claims
- 1990US6489552B2Photovoltaic cell module tileKANEKA CORP·Filed 2001·Granted Dec 3, 2002·58 cites·21 claims
- 2090US6366788B1Mobile telephone systemHITACHI LTD·Filed 1998·Granted Apr 2, 2002·75 cites·7 claims
- 2190USD307912SSnowblowerHONDA MOTOR CO LTD·Filed 1988·Granted May 15, 1990·29 cites·1 claims
- 2289US6528848B1Semiconductor device and a method of manufacturing the sameHITACHI LTD·Filed 2000·Granted Mar 4, 2003·35 cites·50 claims
- 2389US6361462B1V-ribbed power transmission beltMITSUBOSHI BELTING LTD·Filed 2000·Granted Mar 26, 2002·25 cites·23 claims
- 2489US5642252AInsulated gate semiconductor device and driving circuit device and electronic system both using the sameHITACHI LTD·Filed 1994·Granted Jun 24, 1997·107 cites·23 claims
- 2588US8616062B2Ultrasonic inspection system and ultrasonic inspection methodKONO NAOYUKI·Filed 2011·Granted Dec 31, 2013·13 cites·15 claims
- 2688US7235967B2Eddy current testing probe and eddy current testing apparatusHITACHI LTD·Filed 2006·Granted Jun 26, 2007·13 cites·13 claims
- 2788US4870698AOutput power control circuit for a mobile radio apparatusOKI ELECTRIC IND CO LTD·Filed 1987·Granted Sep 26, 1989·124 cites·12 claims
- 2887US8889333B2Salt, photoresist composition, and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Nov 18, 2014·4 cites·8 claims
- 2987US7579132B2Salt suitable for an acid generator and a chemically amplified positive resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2007·Granted Aug 25, 2009·27 cites·28 claims
- 3087US7556908B2Chemically amplified positive resist composition, (meth)acrylate derivative and a process for producing the sameSUMITOMO CHEMICAL CO·Filed 2005·Granted Jul 7, 2009·7 cites·2 claims
- 3187USD314775SSnow plowHONDA MOTOR CO LTD·Filed 1987·Granted Feb 19, 1991·35 cites·1 claims
- 3286US6605842B2Semiconductor device and a method of manufacturing the sameHITACHI LTD·Filed 2002·Granted Aug 12, 2003·26 cites·9 claims
- 3386USD398010SInternal combustion engineHONDA MOTOR CO LTD·Filed 1997·Granted Sep 8, 1998·31 cites·1 claims
- 3484US7527910B2Salt suitable for an acid generator and a chemically amplified resist composition containing the sameSUMITOMO CHEMICAL CO·Filed 2006·Granted May 5, 2009·5 cites·31 claims
- 3584US6294600B1Rubber composition and power transmission belt incorporating the rubber compositionMITSUBOSHI BELTING LTD·Filed 1999·Granted Sep 25, 2001·32 cites·25 claims
- 3684US5379230ASemiconductor integrated circuit having semiconductor output device driving external load and microprocessor unitHITACHI LTD·Filed 1994·Granted Jan 3, 1995·41 cites·4 claims
- 3783US8288077B2Chemically amplified resist composition and salt employed thereinICHIKAWA KOJI·Filed 2010·Granted Oct 16, 2012·3 cites·9 claims
- 3882US4492974ADMOS With gate protection diode formed over base regionHITACHI LTD·Filed 1982·Granted Jan 8, 1985·36 cites·15 claims
- 3981US6499236B2Snow removing machineHONDA MOTOR CO LTD·Filed 2001·Granted Dec 31, 2002·25 cites·20 claims
- 4080US8741541B2Compound, resin, photoresist composition, and method for producing photoresist patternICHIKAWA KOJI·Filed 2012·Granted Jun 3, 2014·3 cites·4 claims
- 4180US4831424AInsulated gate semiconductor device with back-to-back diodesHITACHI LTD·Filed 1987·Granted May 16, 1989·36 cites·14 claims
- 4280US4599576AInsulated gate type field effect semiconductor device and a circuit employing the deviceHITACHI LTD·Filed 1978·Granted Jul 8, 1986·42 cites·8 claims
- 4379US7893293B2Chemically amplified positive resist compositionSUMITOMO CHEMICAL CO·Filed 2008·Granted Feb 22, 2011·4 cites·2 claims
- 4479USD414498SInternal combustion engineHONDA GIKEN KOGYO KABUSHIKI KAISHI·Filed 1998·Granted Sep 28, 1999·25 cites·1 claims
- 4578US4369739AStructure of a cylinder assembly for an internal combustion engineNISSAN MOTOR·Filed 1980·Granted Jan 25, 1983·30 cites·17 claims
- 4677US5903034ASemiconductor circuit device having an insulated gate type transistorHITACHI LTD·Filed 1996·Granted May 11, 1999·39 cites·44 claims
- 4776US9513549B2Compound, resin, photoresist composition, and method for producing photoresist patternSUMITOMO CHEMICAL CO·Filed 2014·Granted Dec 6, 2016·2 cites·3 claims
- 4876US7911206B2Method and apparatus for evaluating length of defect in eddy current testingHITACHI LTD·Filed 2007·Granted Mar 22, 2011·4 cites·7 claims
- 4976US6707102B2Semiconductor device including an insulated gate type field effect transistor and method for fabricating the sameRENESAS TECH CORP·Filed 2001·Granted Mar 16, 2004·29 cites·10 claims
- 5075US8530138B2Salt and photoresist composition comprising the sameYOSHIDA ISAO·Filed 2011·Granted Sep 10, 2013·3 cites·8 claims
Showing the top 50 of 124 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →