Inventor · disambiguated record
Takashi Nakagawa
Also filed as: IWASHITA KANAU · NAKAGAWA TAKASHI
231 granted patents·93 pending applications·1,887 citations·filing 1976–2025
99Inventor score
Files withSEMICONDUCTOR ENERGY LAB33KOKUSAI ELECTRIC CORP23NAKAGAWA TAKASHI23HONDA MOTOR CO LTD18FUJITSU LTD11
Top patents by PatentIndex Score
324 records- 0197US11798491B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2022·Granted Oct 24, 2023·5 cites·9 claims
- 0297US11423844B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Aug 23, 2022·15 cites·16 claims
- 0397US11101302B2Imaging device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Aug 24, 2021·26 cites·12 claims
- 0497US6329465B1Ethylene copolymer composition and uses thereofMITSUI CHEMICALS INC·Filed 1999·Granted Dec 11, 2001·160 cites·12 claims
- 0596US11417518B2Method of manufacturing semiconductor device, substrate processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2020·Granted Aug 16, 2022·4 cites·20 claims
- 0696US9065438B2Programmable logic deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Jun 23, 2015·22 cites·20 claims
- 0796US6450284B1Cab for construction machineryHITACHI CONSTRUCTION MACHINERY·Filed 2000·Granted Sep 17, 2002·91 cites·5 claims
- 0896US4192402AMuffler for internal combustion enginesHONDA MOTOR CO LTD·Filed 1978·Granted Mar 11, 1980·78 cites·22 claims
- 0995US8928010B2Display deviceYAMAZAKI SHUNPEI·Filed 2012·Granted Jan 6, 2015·23 cites·13 claims
- 1094US12469463B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Nov 11, 2025·1 cites·6 claims
- 1194US12205965B2Imaging device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Jan 21, 2025·1 cites·10 claims
- 1293US9349522B2Coil componentTDK CORP·Filed 2015·Granted May 24, 2016·6 cites·4 claims
- 1393US7364815B2Method of preserving fuel cell membrane electrode assemblyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 29, 2008·17 cites·16 claims
- 1491US12366966B2Memory systemKIOXIA CORP·Filed 2024·Granted Jul 22, 2025·1 cites·20 claims
- 1591US9870827B2Semiconductor device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jan 16, 2018·9 cites·29 claims
- 1691US9391274B2Nonvolatile memory element and method of manufacturing the sameCANON ANELVA CORP·Filed 2015·Granted Jul 12, 2016·3 cites·4 claims
- 1791US9225329B2Semiconductor device, driving method thereof, and electronic applianceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 29, 2015·8 cites·8 claims
- 1890US9817520B2Imaging panel and imaging deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Nov 14, 2017·13 cites·17 claims
- 1989US8343277B2Substrate processing apparatusHITACHI INT ELECTRIC INC·Filed 2010·Granted Jan 1, 2013·10 cites·12 claims
- 2089US6986212B2Hair dryer with minus ion generatorMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Jan 17, 2006·33 cites·11 claims
- 2188US11728355B2Imaging device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Aug 15, 2023·1 cites·4 claims
- 2288US6169948B1Front control system, area setting method and control panel for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted Jan 2, 2001·63 cites·24 claims
- 2388US4990074AOil pump having pivoting vanesAISIN SEIKI·Filed 1989·Granted Feb 5, 1991·38 cites·5 claims
- 2487US11335813B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted May 17, 2022·5 cites·9 claims
- 2587US10128249B2Semiconductor device and memory device including the semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Nov 13, 2018·4 cites·18 claims
- 2687US9812694B2Electrode member and battery blockSANYO ELECTRIC CO·Filed 2014·Granted Nov 7, 2017·4 cites·9 claims
- 2787US7867847B2Method of manufacturing dielectric film that has hafnium-containing and aluminum-containing oxynitrideCANON ANELVA CORP·Filed 2010·Granted Jan 11, 2011·7 cites·9 claims
- 2887US7350317B2Electrostatic atomizing hairdryer and electrostatic atomizerMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Apr 1, 2008·15 cites·13 claims
- 2986US12400874B2Processing method, method of manufacturing semiconductor device, processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2023·Granted Aug 26, 2025·0 cites·23 claims
- 3086US11923191B2Method of manufacturing semiconductor device, method of processing substrate, substrate processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2021·Granted Mar 5, 2024·1 cites·20 claims
- 3186US7165341B2Hair dryer with minus ion generatorMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Jan 23, 2007·11 cites·6 claims
- 3286US6725562B2HairdryerMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Apr 27, 2004·40 cites·15 claims
- 3385US10840094B2Method of manufacturing semiconductor device, substrate processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2018·Granted Nov 17, 2020·4 cites·19 claims
- 3485US2025285878A1Apparatus for etching baseKOKUSAI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 3584US10545526B2Circuit, driving method thereof, and semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jan 28, 2020·3 cites·17 claims
- 3684US8574511B2Test instrument and optical measurement apparatusNAKAGAWA TAKASHI·Filed 2012·Granted Nov 5, 2013·4 cites·5 claims
- 3784US8315796B2Navigation deviceYAMAGUCHI YOSHIHISA·Filed 2008·Granted Nov 20, 2012·19 cites·8 claims
- 3884US8030694B2Dielectric film and semiconductor device using dielectric film including hafnium, aluminum or silicon, nitrogen, and oxygenCANON ANELVA CORP·Filed 2010·Granted Oct 4, 2011·5 cites·17 claims
- 3984US7847040B2α-olefin-based polymer composition, molded product formed from the composition, and novel polymerMITSUI CHEMICALS INC·Filed 2005·Granted Dec 7, 2010·7 cites·7 claims
- 4084US6738594B2Color image forming apparatus and control method thereofSHARP KK·Filed 2002·Granted May 18, 2004·27 cites·37 claims
- 4184US6325450B2Operator's cab in construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2001·Granted Dec 4, 2001·31 cites·5 claims
- 4283US10536657B2Imaging device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Jan 14, 2020·3 cites·7 claims
- 4383US7968463B2Formation method of metallic compound layer, manufacturing method of semiconductor device, and formation apparatus for metallic compound layerRENESAS ELECTRONICS CORP·Filed 2007·Granted Jun 28, 2011·11 cites·31 claims
- 4483US4192403AMuffler for internal combustion enginesHONDA MOTOR CO LTD·Filed 1978·Granted Mar 11, 1980·32 cites·5 claims
- 4583US2025336670A1Processing method, method of manufacturing semiconductor device, processing apparatus, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 4682US12278103B2Method of processing substrate and method of manufacturing semiconductor device by forming filmKOKUSAI ELECTRIC CORP·Filed 2023·Granted Apr 15, 2025·0 cites·22 claims
- 4782US11330213B2Imaging device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted May 10, 2022·2 cites·12 claims
- 4882US10263119B2Programmable device with high reliability for a semiconductor device, display system, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Apr 16, 2019·3 cites·9 claims
- 4982US8178934B2Dielectric film with hafnium aluminum oxynitride filmKITANO NAOMU·Filed 2010·Granted May 15, 2012·5 cites·1 claims
- 5082US7914409B2Oil-free chainTSUBAKIMOTO CHAIN CO·Filed 2008·Granted Mar 29, 2011·9 cites·4 claims
Showing the top 50 of 324 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takashi Nakagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →