Inventor · disambiguated record
Kei Takahashi
Also filed as: TAKAHASHI KEI
332 granted patents·73 pending applications·2,378 citations·filing 1995–2025
99Inventor score
Files withSEMICONDUCTOR ENERGY LAB256SONY CORP34SONY GROUP CORP20TAKAHASHI KEI16OMRON TATEISI ELECTRONICS CO10
Top patents by PatentIndex Score
405 records- 0199US9940086B2Display device, display unit, and display systemSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Apr 10, 2018·25 cites·17 claims
- 0299US8421068B2Semiconductor device and manufacturing method thereofYAMAZAKI SHUNPEI·Filed 2010·Granted Apr 16, 2013·98 cites·14 claims
- 0398US11567724B2Display device, display unit, and display systemSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Jan 31, 2023·5 cites·8 claims
- 0498US11404447B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Aug 2, 2022·5 cites·34 claims
- 0598US11093204B2Display device, display unit, and display systemSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Aug 17, 2021·8 cites·5 claims
- 0698US10198235B2Display device, display unit, and display systemSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Feb 5, 2019·15 cites·12 claims
- 0798US9984624B2Semiconductor device, driver IC, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted May 29, 2018·27 cites·11 claims
- 0898US9614258B2Power storage device and power storage systemSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Apr 4, 2017·1k cites·8 claims
- 0998US8710762B2DC/DC converter, power supply circuit, and semiconductor deviceTAKAHASHI KEI·Filed 2011·Granted Apr 29, 2014·38 cites·22 claims
- 1098US8421069B2Semiconductor deviceYAMAZAKI SHUNPEI·Filed 2010·Granted Apr 16, 2013·62 cites·16 claims
- 1198US8330702B2Pulse output circuit, display device, and electronic deviceMIYAKE HIROYUKI·Filed 2010·Granted Dec 11, 2012·33 cites·22 claims
- 1297US11475832B2Display device, operation method thereof, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Oct 18, 2022·4 cites·16 claims
- 1397US11417273B2Semiconductor device, display device, electronic device, and operation methodSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Aug 16, 2022·15 cites·16 claims
- 1497US11222583B2Display and electronic device including the displaySEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Jan 11, 2022·15 cites·10 claims
- 1597US10572211B2Display device, display unit, and display systemSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Feb 25, 2020·9 cites·12 claims
- 1697US10373983B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Aug 6, 2019·10 cites·16 claims
- 1797US10332912B2Display device and electronic device including the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jun 25, 2019·11 cites·22 claims
- 1897US9520411B2Display device and electronic device including the sameTAKAHASHI KEI·Filed 2010·Granted Dec 13, 2016·27 cites·33 claims
- 1997US9048117B2Pulse output circuit, display device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Jun 2, 2015·17 cites·21 claims
- 2096US11791344B2Display device, display module, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Oct 17, 2023·2 cites·12 claims
- 2196US11783757B2Display and electronic device including the displaySEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Oct 10, 2023·2 cites·6 claims
- 2296US11676971B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2022·Granted Jun 13, 2023·2 cites·18 claims
- 2396US11640807B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted May 2, 2023·2 cites·7 claims
- 2496US10608017B2Display device, display module, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Mar 31, 2020·7 cites·30 claims
- 2596US9490510B2Power storage unit and solar power generation unitSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Nov 8, 2016·5 cites·7 claims
- 2696US8723173B2Semiconductor device, power circuit, and manufacturing method of semiconductor deviceYAMAZAKI SHUNPEI·Filed 2010·Granted May 13, 2014·21 cites·29 claims
- 2795US12027528B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Jul 2, 2024·1 cites·16 claims
- 2895US11778878B2Display panel, display device, input/output device, and data processing deviceSEMICONDUCTOR ENERGY LAB·Filed 2022·Granted Oct 3, 2023·2 cites·12 claims
- 2995US10649295B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted May 12, 2020·5 cites·20 claims
- 3095US10354574B2Driver IC and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 16, 2019·9 cites·16 claims
- 3195US8766608B2Voltage regulator circuit and semiconductor device, including transistor using oxide semiconductorYAMAZAKI SHUNPEI·Filed 2010·Granted Jul 1, 2014·22 cites·19 claims
- 3295US2025070284A1Power storage unit and solar power generation unitSEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 3394US10700098B2Display device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Jun 30, 2020·5 cites·24 claims
- 3494US10490142B2Semiconductor device, display device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Nov 26, 2019·8 cites·14 claims
- 3594US10372004B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Aug 6, 2019·4 cites·14 claims
- 3694US10032921B2Semiconductor device, display module, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Jul 24, 2018·7 cites·19 claims
- 3794US9666678B2Semiconductor device and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted May 30, 2017·11 cites·18 claims
- 3894US9537478B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jan 3, 2017·9 cites·6 claims
- 3994US9461341B2Power storage device and method for charging the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Oct 4, 2016·7 cites·17 claims
- 4094US9316695B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Apr 19, 2016·11 cites·17 claims
- 4194US9231475B2DC-DC converter, semiconductor device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jan 5, 2016·12 cites·16 claims
- 4293US10560056B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Feb 11, 2020·8 cites·14 claims
- 4393US10521032B2Display device and input/output deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 31, 2019·6 cites·6 claims
- 4493US10101628B2Display deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Oct 16, 2018·6 cites·24 claims
- 4593US10083991B2Display device, display module, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Sep 25, 2018·6 cites·25 claims
- 4693US9742356B2Semiconductor device outputting reference voltagesSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Aug 22, 2017·17 cites·10 claims
- 4793US8519628B2Light-emitting deviceFUKUMOTO RYOTA·Filed 2011·Granted Aug 27, 2013·11 cites·24 claims
- 4893US8044598B2Light-emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2009·Granted Oct 25, 2011·11 cites·19 claims
- 4992US9647131B2Semiconductor device, power circuit, and manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted May 9, 2017·6 cites·14 claims
- 5092US9543835B2DC/DC converter, power supply circuit, and semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Jan 10, 2017·10 cites·14 claims
Showing the top 50 of 405 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →