Inventor · disambiguated record
Hajime Tokunaga
Also filed as: TOKUNAGA HAJIME
62 granted patents·3 pending applications·672 citations·filing 2005–2025
99Inventor score
Top patents by PatentIndex Score
65 records- 0198US11710794B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Jul 25, 2023·4 cites·9 claims
- 0298US11152494B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Oct 19, 2021·4 cites·6 claims
- 0398US9899536B2Method of forming semiconductor device with different energy gap oxide semiconductor stacked layersSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Feb 20, 2018·30 cites·14 claims
- 0498US9741865B2Method of forming semiconductor device including oxide semiconductor stack with different ratio of indium and galliumSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Aug 22, 2017·39 cites·20 claims
- 0598US9496408B2Semiconductor device including oxide semiconductor stack with different ratio of indium and galliumSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Nov 15, 2016·102 cites·27 claims
- 0697US10361318B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Jul 23, 2019·10 cites·10 claims
- 0797US9812583B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Nov 7, 2017·16 cites·33 claims
- 0897US9287411B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 15, 2016·30 cites·18 claims
- 0997US9219165B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 22, 2015·16 cites·15 claims
- 1097US9209256B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Dec 8, 2015·38 cites·21 claims
- 1197US9087726B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jul 21, 2015·26 cites·22 claims
- 1297US7719001B2Semiconductor device with metal oxides and an organic compoundSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted May 18, 2010·69 cites·6 claims
- 1396US10886413B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Jan 5, 2021·7 cites·19 claims
- 1496US9449819B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Sep 20, 2016·12 cites·17 claims
- 1596US7838346B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Nov 23, 2010·33 cites·55 claims
- 1695US9530892B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Dec 27, 2016·20 cites·16 claims
- 1795US9349869B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted May 24, 2016·15 cites·21 claims
- 1895US8274814B2Semiconductor device including storage device and method for driving the sameTOKUNAGA HAJIME·Filed 2010·Granted Sep 25, 2012·19 cites·26 claims
- 1993US7782651B2Semiconductor device including storage device and method for driving the sameSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Aug 24, 2010·15 cites·20 claims
- 2093US7714408B2Semiconductor device and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted May 11, 2010·23 cites·14 claims
- 2191US10516062B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Dec 24, 2019·4 cites·18 claims
- 2291US9583634B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Feb 28, 2017·8 cites·34 claims
- 2391US7335556B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Feb 26, 2008·19 cites·28 claims
- 2490US11355648B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Jun 7, 2022·3 cites·20 claims
- 2590US10361291B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 23, 2019·4 cites·7 claims
- 2690US8338238B2Manufacturing method of semiconductor deviceTOKUNAGA HAJIME·Filed 2011·Granted Dec 25, 2012·8 cites·66 claims
- 2790US7575959B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Aug 18, 2009·13 cites·30 claims
- 2889US11824105B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Nov 21, 2023·1 cites·9 claims
- 2989US9997639B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jun 12, 2018·4 cites·20 claims
- 3089US8330249B2Semiconductor device with driver circuit and memory elementTOKUNAGA HAJIME·Filed 2010·Granted Dec 11, 2012·9 cites·22 claims
- 3188US7825021B2Method for manufacturing display deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Nov 2, 2010·11 cites·30 claims
- 3287US12495619B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Dec 9, 2025·0 cites·9 claims
- 3387US10749015B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Aug 18, 2020·2 cites·14 claims
- 3487US8053290B2Manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Nov 8, 2011·6 cites·55 claims
- 3586US12243943B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Mar 4, 2025·0 cites·3 claims
- 3685US9324810B2Semiconductor device including oxide semiconductor filmSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Apr 26, 2016·6 cites·13 claims
- 3780US8476632B2Semiconductor device and manufacturing method thereofTOKUNAGA HAJIME·Filed 2006·Granted Jul 2, 2013·7 cites·20 claims
- 3879US9972718B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted May 15, 2018·2 cites·21 claims
- 3979US2025159936A1Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2025·Application pending·0 cites
- 4078US2022285562A1Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2022·Application pending·0 cites
- 4177US9865746B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jan 9, 2018·2 cites·18 claims
- 4276US10032934B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Jul 24, 2018·1 cites·14 claims
- 4376US8687407B2Semiconductor device including storage device and method for driving the sameTOKUNAGA HAJIME·Filed 2012·Granted Apr 1, 2014·3 cites·26 claims
- 4475US9761738B2Semiconductor device having first and second oxide semiconductors with difference energy levelSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Sep 12, 2017·1 cites·18 claims
- 4574US8981524B2Semiconductor device having a plurality of antifuse memory cellsTAJIMA RYOTA·Filed 2008·Granted Mar 17, 2015·5 cites·12 claims
- 4674US7994607B2Semiconductor device and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2008·Granted Aug 9, 2011·5 cites·15 claims
- 4773US10014414B2Semiconductor device and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Jul 3, 2018·3 cites·12 claims
- 4873US9857860B2Power supply control circuit and signal processing circuitSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jan 2, 2018·3 cites·18 claims
- 4973US8203142B2Memory device and semiconductor deviceTOKUNAGA HAJIME·Filed 2010·Granted Jun 19, 2012·3 cites·45 claims
- 5073US7858972B2Memory device and semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Dec 28, 2010·4 cites·7 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →