Inventor · disambiguated record
Shuhei Nagatsuka
Also filed as: NAGATSUKA SHUHEI
126 granted patents·12 pending applications·995 citations·filing 2005–2025
99Inventor score
Files withSEMICONDUCTOR ENERGY LAB101NAGATSUKA SHUHEI10INOUE HIROKI6KATO KIYOSHI6MATSUZAKI TAKANORI5
Top patents by PatentIndex Score
138 records- 0199US11751409B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Sep 5, 2023·7 cites·11 claims
- 0299US11699465B2Memory deviceSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Jul 11, 2023·8 cites·13 claims
- 0399US11114449B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Sep 7, 2021·10 cites·20 claims
- 0498US12183415B2Memory deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Dec 31, 2024·4 cites·3 claims
- 0598US11929470B2Electric power charge and discharge systemSEMICONDUCTOR ENERGY LAB·Filed 2023·Granted Mar 12, 2024·4 cites·8 claims
- 0698US11621443B2Electric power charge and discharge systemSEMICONDUCTOR ENERGY LAB·Filed 2021·Granted Apr 4, 2023·6 cites·10 claims
- 0798US10388364B2Memory device, driving method thereof, semiconductor device, electronic component, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Aug 20, 2019·41 cites·8 claims
- 0898US9954003B2Semiconductor device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Apr 24, 2018·26 cites·20 claims
- 0997US10593683B2Semicondutor deviceSEMICONDUCTOR ENERGY LAB·Filed 2019·Granted Mar 17, 2020·19 cites·22 claims
- 1097US9653611B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted May 16, 2017·25 cites·18 claims
- 1197US8614916B2Semiconductor device and driving method thereofNAGATSUKA SHUHEI·Filed 2011·Granted Dec 24, 2013·64 cites·17 claims
- 1297US8450783B2Semiconductor deviceYAMAZAKI SHUNPEI·Filed 2010·Granted May 28, 2013·34 cites·24 claims
- 1397US8422272B2Semiconductor device and driving method thereofINOUE HIROKI·Filed 2011·Granted Apr 16, 2013·25 cites·24 claims
- 1496US10217752B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Feb 26, 2019·14 cites·11 claims
- 1596US9825037B2Semiconductor device and driving method thereofSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Nov 21, 2017·12 cites·9 claims
- 1696US9685500B2Circuit systemSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jun 20, 2017·17 cites·21 claims
- 1796US9653479B2Semiconductor device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted May 16, 2017·15 cites·32 claims
- 1896US9525051B2Semiconductor device and driving method thereofSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Dec 20, 2016·10 cites·15 claims
- 1996US8988152B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Mar 24, 2015·25 cites·18 claims
- 2096US8847326B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Sep 30, 2014·23 cites·21 claims
- 2196US8461586B2Semiconductor deviceYAMAZAKI SHUNPEI·Filed 2011·Granted Jun 11, 2013·27 cites·15 claims
- 2296US7570072B2Display device including test circuit and electronic apparatus having the display deviceSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Aug 4, 2009·21 cites·11 claims
- 2395US9666722B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted May 30, 2017·10 cites·14 claims
- 2495US9542977B2Semiconductor device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jan 10, 2017·21 cites·20 claims
- 2595US9299813B2Semiconductor device and driving method thereofSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Mar 29, 2016·12 cites·19 claims
- 2695US9240244B2Method for driving semiconductor device and semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Jan 19, 2016·18 cites·15 claims
- 2795US8902640B2Semiconductor device and driving method thereofSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Dec 2, 2014·14 cites·15 claims
- 2895US7898215B2Electric power charge and discharge systemSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Mar 1, 2011·25 cites·38 claims
- 2994US11205461B2Memory device comprising first through fourth transistorsSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Dec 21, 2021·7 cites·16 claims
- 3094US8482974B2Semiconductor memory device and method for driving the sameSAITO TOSHIHIKO·Filed 2011·Granted Jul 9, 2013·25 cites·27 claims
- 3193US11101300B2Semiconductor device and manufacturing method of semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Aug 24, 2021·8 cites·7 claims
- 3293US10923477B2Semiconductor device and method for manufacturing semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2018·Granted Feb 16, 2021·7 cites·21 claims
- 3393US8411480B2Semiconductor deviceNAGATSUKA SHUHEI·Filed 2011·Granted Apr 2, 2013·18 cites·11 claims
- 3492US9589611B2Memory device, semiconductor device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Mar 7, 2017·11 cites·10 claims
- 3592US8654566B2Semiconductor device and driving method thereofNAGATSUKA SHUHEI·Filed 2011·Granted Feb 18, 2014·13 cites·15 claims
- 3692US8406038B2Semiconductor deviceSAITO TOSHIHIKO·Filed 2011·Granted Mar 26, 2013·15 cites·21 claims
- 3792US8054037B2Electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2011·Granted Nov 8, 2011·12 cites·23 claims
- 3891US10910884B2Electric power charge and discharge systemSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Feb 2, 2021·2 cites·12 claims
- 3991US9755643B2Semiconductor device including buffer circuit and level shifter circuit, and electronic device including the sameSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Sep 5, 2017·12 cites·20 claims
- 4091US9748274B2Memory device comprising stacked memory cells and electronic device including the sameSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Aug 29, 2017·11 cites·15 claims
- 4190US9911756B2Semiconductor device including transistor and electronic device surrounded by layer having assigned band gap to prevent electrostatic discharge damageSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Mar 6, 2018·6 cites·15 claims
- 4290US9716100B2Semiconductor device, method for driving semiconductor device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jul 25, 2017·11 cites·16 claims
- 4390US8467231B2Semiconductor device and driving method thereofMATSUZAKI TAKANORI·Filed 2011·Granted Jun 18, 2013·15 cites·30 claims
- 4489US8582348B2Semiconductor device and method for driving semiconductor deviceINOUE HIROKI·Filed 2011·Granted Nov 12, 2013·14 cites·18 claims
- 4588US10236387B2Semiconductor device and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Mar 19, 2019·5 cites·14 claims
- 4688US10217736B2Semiconductor device including transistor and capacitorSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Feb 26, 2019·6 cites·28 claims
- 4788US9673224B2Semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Jun 6, 2017·9 cites·30 claims
- 4888US8767442B2Semiconductor device including memory cell arrayMATSUZAKI TAKANORI·Filed 2011·Granted Jul 1, 2014·11 cites·19 claims
- 4988US8604476B2Semiconductor device including memory cellKATO KIYOSHI·Filed 2011·Granted Dec 10, 2013·12 cites·21 claims
- 5088US8563973B2Semiconductor deviceINOUE HIROKI·Filed 2011·Granted Oct 22, 2013·10 cites·8 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →