Inventor · disambiguated record
Atsushi Kurokawa
Also filed as: KUROKAWA ATSUSHI
78 granted patents·21 pending applications·192 citations·filing 1997–2024
98Inventor score
Top patents by PatentIndex Score
99 records- 0194US10002950B1Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2017·Granted Jun 19, 2018·6 cites·13 claims
- 0294US9397204B2Heterojunction bipolar transistor with two base layersMURATA MANUFACTURING CO·Filed 2015·Granted Jul 19, 2016·10 cites·12 claims
- 0390US9130004B2Heterojunction bipolar transistor, power amplifier including the same, and method for fabricating heterojunction bipolar transistorMURATA MANUFACTURING CO·Filed 2013·Granted Sep 8, 2015·11 cites·15 claims
- 0482US10903343B2Semiconductor deviceMURATA MANUFACTURING CO·Filed 2020·Granted Jan 26, 2021·1 cites·17 claims
- 0581US11508835B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2022·Granted Nov 22, 2022·0 cites·7 claims
- 0680US10580748B2Semiconductor apparatusMURATA MANUFACTURING CO·Filed 2018·Granted Mar 3, 2020·3 cites·15 claims
- 0780US10297680B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2018·Granted May 21, 2019·1 cites·15 claims
- 0879US11081573B2Semiconductor elementMURATA MANUFACTURING CO·Filed 2020·Granted Aug 3, 2021·1 cites·20 claims
- 0979US9331187B2Bipolar transistorMURATA MANUFACTURING CO·Filed 2015·Granted May 3, 2016·3 cites·6 claims
- 1079US7723753B2Semiconductor device and manufacturing method of the sameRENESAS TECH CORP·Filed 2007·Granted May 25, 2010·9 cites·16 claims
- 1179US7307298B2Semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Dec 11, 2007·20 cites·21 claims
- 1278US11251290B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2021·Granted Feb 15, 2022·0 cites·20 claims
- 1377US11469187B2Semiconductor device and high-frequency moduleMURATA MANUFACTURING CO·Filed 2020·Granted Oct 11, 2022·1 cites·20 claims
- 1477US10147809B2Semiconductor deviceMURATA MANUFACTURING CO·Filed 2016·Granted Dec 4, 2018·2 cites·20 claims
- 1576US11227941B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2020·Granted Jan 18, 2022·0 cites·11 claims
- 1676US10559547B2Semiconductor chipMURATA MANUFACTURING CO·Filed 2018·Granted Feb 11, 2020·2 cites·19 claims
- 1772US6678507B1Power amplifier system and mobile communication terminal deviceHITACHI LTD·Filed 2000·Granted Jan 13, 2004·19 cites·9 claims
- 1871US10741680B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2019·Granted Aug 11, 2020·0 cites·14 claims
- 1971US8374531B2Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric fieldRICOH CO LTD·Filed 2009·Granted Feb 12, 2013·3 cites·20 claims
- 2071US7132320B2Method for manufacturing semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Nov 7, 2006·3 cites·22 claims
- 2170US10777667B2Semiconductor deviceMURATA MANUFACTURING CO·Filed 2019·Granted Sep 15, 2020·1 cites·20 claims
- 2270US7256434B2Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the sameRENESAS TECH CORP·Filed 2004·Granted Aug 14, 2007·11 cites·4 claims
- 2370US2023395542A1Semiconductor device with protective protrusionMURATA MANUFACTURING CO·Filed 2023·Application pending·0 cites
- 2469US6403991B1Semiconductor device and method for fabricating the sameHITACHI LTD·Filed 2000·Granted Jun 11, 2002·11 cites·13 claims
- 2568US10541320B2Bipolar transistor and method for producing the sameMURATA MANUFACTURING CO·Filed 2019·Granted Jan 21, 2020·0 cites·20 claims
- 2668US9862167B2Laminate including antireflective moth-eye film and protection filmSHARP KK·Filed 2012·Granted Jan 9, 2018·2 cites·19 claims
- 2767US7192788B2Semiconductor device and manufacturing method of the sameRENESAS TECH CORP·Filed 2004·Granted Mar 20, 2007·11 cites·9 claims
- 2866US8824935B2Development device, process cartridge incorporating same, and image forming apparatus incorporating sameSEKI HIDEYASU·Filed 2011·Granted Sep 2, 2014·1 cites·19 claims
- 2966US7256433B2Bipolar transistor and a method of manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Aug 14, 2007·10 cites·15 claims
- 3065US8072001B2Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the sameOHBU ISAO·Filed 2010·Granted Dec 6, 2011·2 cites·2 claims
- 3165US6743691B2Semiconductor device and method for fabricating the sameRENESAS TECH CORP·Filed 2001·Granted Jun 1, 2004·8 cites·8 claims
- 3264US11411102B2Semiconductor deviceMURATA MANUFACTURING CO·Filed 2021·Granted Aug 9, 2022·0 cites·17 claims
- 3364US2025087552A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3462US2024347494A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3562US2024413036A1Semiconductor device and semiconductor moduleMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3662US2024413083A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3762US2024339425A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 3860US7804109B2Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the sameRENESAS ELECTRONICS CORP·Filed 2007·Granted Sep 28, 2010·1 cites·4 claims
- 3960US7378690B2Method for forming patterns on a semiconductor device using a lift off techniqueRENESAS TECH CORP·Filed 2007·Granted May 27, 2008·1 cites·4 claims
- 4060US6573540B2Semiconductor device and method for fabricating the sameHITACHI LTD·Filed 2001·Granted Jun 3, 2003·6 cites·2 claims
- 4159US10985123B2Semiconductor apparatusMURATA MANUFACTURING CO·Filed 2020·Granted Apr 20, 2021·0 cites·17 claims
- 4259US9362268B2Semiconductor integrated circuit device with transistor and non-transistor regionsKUROKAWA ATSUSHI·Filed 2012·Granted Jun 7, 2016·2 cites·11 claims
- 4359US8483598B2Electrophotographic image forming method and apparatus with a cover film supplying deviceENOKI SHIGEKAZU·Filed 2010·Granted Jul 9, 2013·1 cites·17 claims
- 4459US7838914B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2007·Granted Nov 23, 2010·1 cites·10 claims
- 4559US7045877B2Semiconductor protection deviceRENESAS TECH CORP·Filed 2003·Granted May 16, 2006·7 cites·18 claims
- 4659US2024047398A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2023·Application pending·0 cites
- 4759US2024088271A1Semiconductor deviceMURATA MANUFACTURING CO·Filed 2023·Application pending·0 cites
- 4857US11735541B2Semiconductor device with protective protrusionMURATA MANUFACTURING CO·Filed 2019·Granted Aug 22, 2023·0 cites·17 claims
- 4957US10636897B2Semiconductor device having a collector layer including first-conductivity-type semiconductor layersMURATA MANUFACTURING CO·Filed 2018·Granted Apr 28, 2020·0 cites·14 claims
- 5057US6943387B2Semiconductor device, manufacturing thereof and power amplifier moduleRENESAS TECH CORP·Filed 2003·Granted Sep 13, 2005·7 cites·4 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →