Inventor · disambiguated record
Takayuki Nakajima
Also filed as: NAKAJIMA TAKAYUKI
58 granted patents·25 pending applications·1,090 citations·filing 1982–2024
98Inventor score
Top patents by PatentIndex Score
83 records- 0198US4668595ASecondary batteryASAHI CHEMICAL IND·Filed 1986·Granted May 26, 1987·286 cites·20 claims
- 0297US11673598B2Steering moduleTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 13, 2023·7 cites·17 claims
- 0396US6700559B1Liquid crystal display unit having fine color controlSHARP KK·Filed 2000·Granted Mar 2, 2004·101 cites·15 claims
- 0492US9029022B2Lithium secondary batteries and nonaqueous electrolyte for use in the sameMIYAGI HIDEKAZU·Filed 2012·Granted May 12, 2015·11 cites·12 claims
- 0591US9112236B2Lithium secondary batteries and nonaqueous electrolyte for use in the sameMIYAGI HIDEKAZU·Filed 2006·Granted Aug 18, 2015·10 cites·13 claims
- 0689US11563302B2Heater-integrated ridge type optical semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2020·Granted Jan 24, 2023·2 cites·14 claims
- 0789US6225361B1Expanded hollow micro sphere composite beads and method for their productionAKZO NOBEL NV·Filed 2000·Granted May 1, 2001·37 cites·13 claims
- 0888USD477294SMobile telephoneHITACHI LTD·Filed 2002·Granted Jul 15, 2003·37 cites·1 claims
- 0987US10730124B2Taper thread-cutting spiral pipe tapOSG CORP·Filed 2016·Granted Aug 4, 2020·6 cites·7 claims
- 1085US5761216ABit error measurement systemADVANTEST CORP·Filed 1996·Granted Jun 2, 1998·198 cites·11 claims
- 1180US11563251B2Battery moduleVEHICLE ENERGY JAPAN INC·Filed 2018·Granted Jan 24, 2023·1 cites·9 claims
- 1280US10598677B2Smear transporting apparatus, smear image capture system, and smear analysis systemSYSMEX CORP·Filed 2017·Granted Mar 24, 2020·1 cites·12 claims
- 1378US7747297B2Personal digital assistant with slide mechanismCASIO HITACHI MOBILE COMM CO·Filed 2005·Granted Jun 29, 2010·10 cites·3 claims
- 1477USRE34991ESecondary batteryASAHI CHEMICAL IND·Filed 1989·Granted Jul 4, 1995·36 cites·1 claims
- 1577US2025085209A1Flow cytometer and particle detection methodSYSMEX CORP·Filed 2024·Application pending·0 cites
- 1676USD1013593SSteering wheel for an automobileTOYOTA MOTOR CO LTD·Filed 2022·Granted Feb 6, 2024·5 cites·1 claims
- 1776US8186915B2Spiral tapNAKAJIMA TAKAYUKI·Filed 2007·Granted May 29, 2012·7 cites·6 claims
- 1876US7377732B2Thread mill having flute twisting in direction opposite to rotating directionOSG CORP·Filed 2006·Granted May 27, 2008·10 cites·7 claims
- 1976US4696004ALogic analyzerTAKEDA RIKEN IND CO LTD·Filed 1985·Granted Sep 22, 1987·34 cites·12 claims
- 2075US12253446B2Smear transporting apparatus, smear system, and smear preparing apparatusSYSMEX CORP·Filed 2022·Granted Mar 18, 2025·0 cites·18 claims
- 2175USD861593SBattery moduleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Oct 1, 2019·18 cites·1 claims
- 2273US4495621AGlitch detecting and measuring apparatusTAKEDA RIKEN IND CO LTD·Filed 1982·Granted Jan 22, 1985·30 cites·18 claims
- 2373US2019252672A1Lithium secondary batteries and nonaqueous electrolyte for use in the sameMIYAGI HIDEKAZU·Filed 2019·Application pending·0 cites
- 2471US2022037707A1Battery Pack and HolderHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 2569US7815512B2Thread forming tap and method for manufacturing the sameOSG CORP·Filed 2005·Granted Oct 19, 2010·6 cites·4 claims
- 2669US5537492APicture compressing and restoring system and record pattern forming method for a spatial light modulatorSHARP KK·Filed 1993·Granted Jul 16, 1996·32 cites·21 claims
- 2768US8132989B2DrillIGUCHI TAKAHIRO·Filed 2006·Granted Mar 13, 2012·7 cites·7 claims
- 2866US2024343044A1Cartridge and cartridge reuse methodCANON KK·Filed 2024·Application pending·0 cites
- 2966US2024343041A1Cartridge and cartridge recycling methodCANON KK·Filed 2024·Application pending·0 cites
- 3065USD571280SCenter console for an automobileTOYOTA MOTOR CO LTD·Filed 2007·Granted Jun 17, 2008·18 cites·1 claims
- 3165US2017040593A1Lithium secondary batteries and nonaqueous electrolyte for use in the sameMIYAGI HIDEKAZU·Filed 2016·Application pending·0 cites
- 3265US2024405341A1Battery packVEHICLE ENERGY JAPAN INC·Filed 2022·Application pending·0 cites
- 3365US2024339707A1Assembled battery and its manufacturing methodVEHICLE ENERGY JAPAN INC·Filed 2022·Application pending·0 cites
- 3465US2024380057A1Battery packVEHICLE ENERGY JAPAN INC·Filed 2022·Application pending·0 cites
- 3564USD642505SInstrument panel for an automobileToyota Jidosha Kabuhiki Kaisha·Filed 2010·Granted Aug 2, 2011·16 cites·1 claims
- 3663US8496534B2Group of taps with prepared hole cutting toolsOSAWA JIRO·Filed 2007·Granted Jul 30, 2013·3 cites·5 claims
- 3763US7068314B1Image pickup apparatus which can eliminate a false color in the spatial frequency band during chromatic signal processingSONY CORP·Filed 2000·Granted Jun 27, 2006·10 cites·10 claims
- 3861USD570756SInstrument panel for an automobileTOYOTA MOTOR CO LTD·Filed 2007·Granted Jun 10, 2008·12 cites·1 claims
- 3961US5292495APorous particles of calcium carbonate and method for the preparation thereofKOWA CHEMICAL INDUSTRY CO LTD·Filed 1993·Granted Mar 8, 1994·22 cites·5 claims
- 4061US2019260096A1Battery Pack and HolderHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Application pending·0 cites
- 4161US2015243936A1Lithium secondary batteries and nonaqueous electrolyte for use in the sameMIYAGI HIDEKAZU·Filed 2015·Application pending·0 cites
- 4259USD576929SSteering wheel for an automobileTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 16, 2008·11 cites·1 claims
- 4359US2025010633A1Liquid ejection head and printing apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4459US2025065639A1Print head and method of manufacturing print headCANON KK·Filed 2024·Application pending·0 cites
- 4558US12188857B2Flow cytometer having configured controllerSYSMEX CORP·Filed 2018·Granted Jan 7, 2025·0 cites·18 claims
- 4658US11196232B2Modulation doped semiconductor laser and manufacturing method thereforLUMENTUM JAPAN INC·Filed 2020·Granted Dec 7, 2021·0 cites·20 claims
- 4758US5623497ABit error rate measurement apparatusADVANTEST CORP·Filed 1995·Granted Apr 22, 1997·40 cites·7 claims
- 4856US11506578B2Smear transporting apparatus, smear system, and smear preparing apparatusSYSMEX CORP·Filed 2017·Granted Nov 22, 2022·0 cites·21 claims
- 4956US2024286787A1Storage container for liquid cartridgeCANON KK·Filed 2023·Application pending·0 cites
- 5056US2024038907A1Semiconductor optical deviceLUMENTUM JAPAN INC·Filed 2022·Application pending·0 cites
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →