Inventor · disambiguated record
Digh Hisamoto
Also filed as: HISAMOTO DIGH
84 granted patents·20 pending applications·826 citations·filing 1991–2023
99Inventor score
Top patents by PatentIndex Score
104 records- 0197US7504689B2Semiconductor device and manufacturing method of semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Mar 17, 2009·60 cites·9 claims
- 0297US5177576ADynamic random access memory having trench capacitors and vertical transistorsHITACHI LTD·Filed 1991·Granted Jan 5, 1993·174 cites·20 claims
- 0396US7667259B2Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gateRENESAS TECH CORP·Filed 2006·Granted Feb 23, 2010·36 cites·3 claims
- 0495US7245531B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Jul 17, 2007·25 cites·20 claims
- 0593US7872298B2Split-gate type memory deviceRENESAS ELECTRONICS CORP·Filed 2007·Granted Jan 18, 2011·20 cites·15 claims
- 0693US7259422B1Nonvolatile semiconductor memory device and its fabrication methodRENESAS TECH CORP·Filed 2007·Granted Aug 21, 2007·25 cites·3 claims
- 0793US7235441B2Nonvolatile semiconductor memory device with tapered sidewall gate and method of manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Jun 26, 2007·72 cites·14 claims
- 0891US8030668B2Semiconductor LED, opto-electronic integrated circuits (OEIC), and method of fabricating OEICHITACHI LTD·Filed 2007·Granted Oct 4, 2011·20 cites·13 claims
- 0991US7915666B2Nonvolatile semiconductor memory devices with charge injection cornerRENESAS ELECTRONICS CORP·Filed 2008·Granted Mar 29, 2011·18 cites·16 claims
- 1091US7671404B2Fabrication method and structure of semiconductor non-volatile memory deviceRENESAS TECH CORP·Filed 2006·Granted Mar 2, 2010·13 cites·10 claims
- 1190US7723779B2Integrated semiconductor nonvolatile storage deviceRENESAS TECH CORP·Filed 2006·Granted May 25, 2010·22 cites·23 claims
- 1287US10818679B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2019·Granted Oct 27, 2020·4 cites·15 claims
- 1387US9257446B2Semiconductor device and method of manufacturing sameRENESAS ELECTRONICS CORP·Filed 2014·Granted Feb 9, 2016·7 cites·8 claims
- 1487US8076709B2Nonvolatile semiconductor memory deviceISHIMARU TETSUYA·Filed 2010·Granted Dec 13, 2011·10 cites·20 claims
- 1587US7935597B2Semiconductor device and manufacturing method of the sameRENESAS ELECTRONICS CORP·Filed 2010·Granted May 3, 2011·7 cites·5 claims
- 1686US7339827B2Non-volatile semiconductor memory device and writing method thereofRENESAS TECH CORP·Filed 2005·Granted Mar 4, 2008·13 cites·18 claims
- 1786US7132718B2Fabrication method and structure of semiconductor non-volatile memory deviceRENESAS TECH CORP·Filed 2003·Granted Nov 7, 2006·23 cites·16 claims
- 1886US5357464ASemiconductor memory having writing and reading transistors, method of fabrication thereof, and method of use thereofHITACHI LTD·Filed 1993·Granted Oct 18, 1994·63 cites·8 claims
- 1984US10147488B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Dec 4, 2018·6 cites·13 claims
- 2084US7531853B2Semiconductor device and manufacturing method of the sameHITACHI LTD·Filed 2007·Granted May 12, 2009·9 cites·2 claims
- 2184US7442986B2Nonvolatile semiconductor memory device with tapered sidewall gate and method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted Oct 28, 2008·9 cites·6 claims
- 2283US8084810B2Fabrication method and structure of semiconductor non-volatile memory deviceHISAMOTO DIGH·Filed 2009·Granted Dec 27, 2011·6 cites·16 claims
- 2382US7847343B2Semiconductor device and manufacturing method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2009·Granted Dec 7, 2010·8 cites·3 claims
- 2482US7085157B2Nonvolatile memory device and semiconductor deviceRENESAS TECH CORP·Filed 2004·Granted Aug 1, 2006·12 cites·18 claims
- 2581US7863131B2Semiconductor device and manufacturing method for semiconductor device to reduce the lithography masksRENESAS ELECTRONICS CORP·Filed 2005·Granted Jan 4, 2011·9 cites·8 claims
- 2680US8436333B2Silicon light emitting diode, silicon optical transistor, silicon laser and its manufacturing methodSAITO SHINICHI·Filed 2007·Granted May 7, 2013·8 cites·7 claims
- 2780US8319274B2Semiconductor deviceHISAMOTO DIGH·Filed 2007·Granted Nov 27, 2012·9 cites·15 claims
- 2879US7212444B2Semiconductor nonvolatile memory deviceRENESAS TECH CORP·Filed 2005·Granted May 1, 2007·8 cites·5 claims
- 2978US9508837B2Semiconductor device and method of manufacturing sameRENESAS ELECTRONICS CORP·Filed 2016·Granted Nov 29, 2016·2 cites·5 claims
- 3078US8324092B2Non-volatile semiconductor device and method of fabricating embedded non-volatile semiconductor memory device with sidewall gateYASUI KAN·Filed 2010·Granted Dec 4, 2012·4 cites·12 claims
- 3178US7709315B2Semiconductor device and method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted May 4, 2010·8 cites·8 claims
- 3277US9515082B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2015·Granted Dec 6, 2016·3 cites·20 claims
- 3377US7502257B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Mar 10, 2009·5 cites·22 claims
- 3476US8410543B2Semiconductor storage device and manufacturing method thereofYANAGI ITARU·Filed 2007·Granted Apr 2, 2013·6 cites·16 claims
- 3575US9029979B24h-SiC semiconductor element and semiconductor deviceHITACHI LTD·Filed 2012·Granted May 12, 2015·3 cites·11 claims
- 3674US8963226B2Semiconductor device with gate electrodesRENESAS ELECTRONICS CORP·Filed 2013·Granted Feb 24, 2015·2 cites·14 claims
- 3772US9825166B2Silicon carbide semiconductor device and method for producing sameHITACHI LTD·Filed 2013·Granted Nov 21, 2017·3 cites·19 claims
- 3872US7687845B2Nonvolatile semiconductor storage device having an element formation region and a plurality of element isolation regions and manufacturing method of the sameRENESAS TECH CORP·Filed 2007·Granted Mar 30, 2010·5 cites·13 claims
- 3971US10910394B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2020·Granted Feb 2, 2021·0 cites·5 claims
- 4069US8193053B2Integrated semiconductor nonvolatile storage deviceHISAMOTO DIGH·Filed 2010·Granted Jun 5, 2012·3 cites·5 claims
- 4169US7847331B2Nonvolatile semiconductor memory deviceRenesas Electronics Corportion·Filed 2005·Granted Dec 7, 2010·4 cites·22 claims
- 4269US7812398B2Semiconductor device including a P-type field-effect transistorHITACHI LTD·Filed 2009·Granted Oct 12, 2010·3 cites·2 claims
- 4369US7636253B2Semiconductor deviceRENESAS TECH CORP·Filed 2009·Granted Dec 22, 2009·3 cites·16 claims
- 4468US7268042B2Nonvolatile semiconductor memory and making method thereofRENESAS TECH CORP·Filed 2004·Granted Sep 11, 2007·13 cites·9 claims
- 4567US9589638B2Semiconductor device and method of driving semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Mar 7, 2017·1 cites·20 claims
- 4667US7529126B2Nonvolatile memory device and semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted May 5, 2009·5 cites·7 claims
- 4767US5270232AProcess for fabricating field effect transistorHITACHI LTD·Filed 1992·Granted Dec 14, 1993·27 cites·6 claims
- 4866US8064261B2Semiconductor nonvolatile memory deviceHISAMOTO DIGH·Filed 2010·Granted Nov 22, 2011·2 cites·14 claims
- 4964US10062759B2Silicon carbide semiconductor device and method for manufacturing sameHITACHI LTD·Filed 2013·Granted Aug 28, 2018·1 cites·5 claims
- 5064US7759720B2Non-volatile semiconductor memory device and method of manufacturing the sameRENESAS TECH CORP·Filed 2008·Granted Jul 20, 2010·2 cites·10 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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