Inventor · disambiguated record
Kazutoshi Nakamura
Also filed as: NAKAMURA KAZUTOSHI
84 granted patents·28 pending applications·930 citations·filing 1999–2024
99Inventor score
Top patents by PatentIndex Score
112 records- 0198US6353252B1High breakdown voltage semiconductor device having trenched film connected to electrodesTOSHIBA KK·Filed 2000·Granted Mar 5, 2002·260 cites·10 claims
- 0295US11762312B2Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2022·Granted Sep 19, 2023·3 cites·19 claims
- 0395US11740583B2Image forming apparatusBROTHER IND LTD·Filed 2022·Granted Aug 29, 2023·2 cites·14 claims
- 0494US6297534B1Power semiconductor deviceTOSHIBA KK·Filed 1999·Granted Oct 2, 2001·122 cites·30 claims
- 0592US11249438B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Feb 15, 2022·2 cites·4 claims
- 0692US6614089B2Field effect transistorTOSHIBA KK·Filed 2001·Granted Sep 2, 2003·64 cites·9 claims
- 0792US6614077B2Semiconductor device improved in ESD reliabilityTOSHIBA KK·Filed 2001·Granted Sep 2, 2003·65 cites·23 claims
- 0891US12210300B2Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2023·Granted Jan 28, 2025·1 cites·20 claims
- 0990US12411447B2Sheet conveyance device and image forming apparatusBROTHER IND LTD·Filed 2022·Granted Sep 9, 2025·1 cites·18 claims
- 1089US7893744B2Semiconductor deviceTOSHIBA KK·Filed 2009·Granted Feb 22, 2011·13 cites·3 claims
- 1187US9761582B2Semiconductor device and method of manufacturing semiconductor deviceTOSHIBA KK·Filed 2016·Granted Sep 12, 2017·6 cites·20 claims
- 1287US8253398B2Semiconductor deviceNAKAMURA KAZUTOSHI·Filed 2009·Granted Aug 28, 2012·21 cites·10 claims
- 1387US6380566B1Semiconductor device having FET structure with high breakdown voltageTOSHIBA KK·Filed 2000·Granted Apr 30, 2002·44 cites·20 claims
- 1486US9620631B2Power semiconductor deviceTOSHIBA KK·Filed 2013·Granted Apr 11, 2017·6 cites·19 claims
- 1585US7253473B2Semiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 2005·Granted Aug 7, 2007·10 cites·20 claims
- 1683US10418470B2Semiconductor device having IGBT portion and diode portionTOSHIBA KK·Filed 2018·Granted Sep 17, 2019·4 cites·11 claims
- 1783US8695964B2Sheet conveying deviceHAMAGUCHI MASANORI·Filed 2011·Granted Apr 15, 2014·7 cites·13 claims
- 1883US7973580B2Semiconductor deviceTOSHIBA KK·Filed 2011·Granted Jul 5, 2011·4 cites·5 claims
- 1983US7675757B2DC-DC converterTOSHIBA KK·Filed 2006·Granted Mar 9, 2010·18 cites·18 claims
- 2083US7557545B2Electric power unit operating in continuous and discontinuous conduction modes and control method thereforTOSHIBA KK·Filed 2006·Granted Jul 7, 2009·19 cites·12 claims
- 2182US12197166B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Jan 14, 2025·0 cites·14 claims
- 2282US6605844B2Semiconductor deviceTOSHIBA KK·Filed 2001·Granted Aug 12, 2003·31 cites·5 claims
- 2381US11500321B2Image-forming apparatus including structure for switching transmission state of driving force to photosensitive drumBROTHER IND LTD·Filed 2021·Granted Nov 15, 2022·1 cites·26 claims
- 2481US9214535B2Semiconductor deviceTOSHIBA KK·Filed 2013·Granted Dec 15, 2015·6 cites·10 claims
- 2581US2025116953A1Developing cartridge including movable plate for moving holder holding electrical contact surfaceBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 2680US12092991B2Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housingBROTHER IND LTD·Filed 2023·Granted Sep 17, 2024·0 cites·10 claims
- 2780US9876011B2Semiconductor deviceTOSHIBA KK·Filed 2016·Granted Jan 23, 2018·3 cites·18 claims
- 2880US9324815B2Semiconductor deviceTOSHIBA KK·Filed 2015·Granted Apr 26, 2016·3 cites·12 claims
- 2980US8730542B2Sheet feeding deviceNAKAMURA KAZUTOSHI·Filed 2013·Granted May 20, 2014·4 cites·8 claims
- 3080US7061060B2Offset-gate-type semiconductor deviceTOSHIBA KK·Filed 2003·Granted Jun 13, 2006·19 cites·17 claims
- 3180US6552389B2Offset-gate-type semiconductor deviceTOSHIBA KK·Filed 2001·Granted Apr 22, 2003·19 cites·12 claims
- 3277US12072006B2Developing deviceBROTHER IND LTD·Filed 2022·Granted Aug 27, 2024·0 cites·14 claims
- 3377US6864533B2MOS field effect transistor with reduced on-resistanceTOSHIBA KK·Filed 2001·Granted Mar 8, 2005·20 cites·8 claims
- 3476US9318588B2Semiconductor deviceTOSHIBA KK·Filed 2015·Granted Apr 19, 2016·2 cites·9 claims
- 3576US8734038B2Image forming apparatus which guides an ejected recording medium downwardsNAKAMURA KAZUTOSHI·Filed 2011·Granted May 27, 2014·2 cites·15 claims
- 3676US7719053B2Semiconductor device having increased gate-source capacity provided by protruding electrode disposed between gate electrodes formed in a trenchTOSHIBA KK·Filed 2006·Granted May 18, 2010·6 cites·9 claims
- 3776US7663186B2Semiconductor deviceTOSHIBA KK·Filed 2008·Granted Feb 16, 2010·4 cites·18 claims
- 3876US7554160B2Semiconductor deviceTOSHIBA KK·Filed 2006·Granted Jun 30, 2009·6 cites·5 claims
- 3975US7138698B2Semiconductor device including power MOS field-effect transistor and driver circuit driving thereofTOSHIBA KK·Filed 2004·Granted Nov 21, 2006·16 cites·29 claims
- 4075US6563193B1Semiconductor deviceTOSHIBA KK·Filed 2000·Granted May 13, 2003·22 cites·23 claims
- 4173US11914323B2Image forming apparatus including developing guide for guiding attachment and detachment of developing cartridge to and from main body housingBROTHER IND LTD·Filed 2021·Granted Feb 27, 2024·0 cites·32 claims
- 4273US8067928B2DC-DC converter with gate voltage control based on output currentNAKAMURA KAZUTOSHI·Filed 2009·Granted Nov 29, 2011·11 cites·3 claims
- 4373US7906808B2Semiconductor deviceTOSHIBA KK·Filed 2009·Granted Mar 15, 2011·3 cites·20 claims
- 4472US12066784B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Aug 20, 2024·0 cites·12 claims
- 4571US11448289B2Developing deviceBROTHER IND LTD·Filed 2021·Granted Sep 20, 2022·0 cites·25 claims
- 4671US10841444B2Image reading apparatusBROTHER IND LTD·Filed 2019·Granted Nov 17, 2020·1 cites·12 claims
- 4771US8248128B2Semiconductor deviceNAKAMURA KAZUTOSHI·Filed 2011·Granted Aug 21, 2012·2 cites·10 claims
- 4870US6977414B2Semiconductor deviceTOSHIBA KK·Filed 2003·Granted Dec 20, 2005·15 cites·18 claims
- 4970US6914294B2Semiconductor deviceTOSHIBA KK·Filed 2003·Granted Jul 5, 2005·15 cites·12 claims
- 5069US10866557B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Dec 15, 2020·0 cites·3 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →