Inventor · disambiguated record
Wataru Sakamoto
Also filed as: SAKAMOTO WATARU
67 granted patents·21 pending applications·541 citations·filing 1992–2023
98Inventor score
Top patents by PatentIndex Score
88 records- 0196US11374015B2Semiconductor memory deviceKIOXIA CORP·Filed 2020·Granted Jun 28, 2022·3 cites·18 claims
- 0296US8030700B2Semiconductor memory deviceTOSHIBA KK·Filed 2009·Granted Oct 4, 2011·54 cites·20 claims
- 0394US10763272B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Sep 1, 2020·7 cites·21 claims
- 0494US10242992B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2016·Granted Mar 26, 2019·8 cites·11 claims
- 0594US6212126B1Semiconductor device including clock generation circuit capable of generating internal clock stablyMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Apr 3, 2001·96 cites·14 claims
- 0693US6292040B1Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signalMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 18, 2001·90 cites·11 claims
- 0789US10910392B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Feb 2, 2021·4 cites·1 claims
- 0889US6317369B1Semiconductor device allowing higher speed data transmission to and from external unitMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 13, 2001·57 cites·19 claims
- 0988US9257443B1Memory device and method for manufacturing the sameTOSHIBA KK·Filed 2015·Granted Feb 9, 2016·6 cites·15 claims
- 1085US10043815B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Aug 7, 2018·3 cites·13 claims
- 1182US9312019B1Memory device and method for operating the sameTOSHIBA KK·Filed 2015·Granted Apr 12, 2016·3 cites·16 claims
- 1282US2024032289A1Semiconductor deviceKIOXIA CORP·Filed 2023·Application pending·0 cites
- 1381US6884364B2Lead-free piezoelectric ceramic composition wherin Cu is contained in (KxA1-x)y(Nb1-zBz)O3perovskite compound, and process of preparing the sameINST NAGOYA IND SCIENCE RES·Filed 2003·Granted Apr 26, 2005·24 cites·14 claims
- 1480US8537619B2Nonvolatile semiconductor storage device and method of controlling and manufacturing the sameSAKAMOTO WATARU·Filed 2011·Granted Sep 17, 2013·5 cites·16 claims
- 1580US6445632B2Semiconductor memory device for fast accessMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 3, 2002·29 cites·2 claims
- 1679US10300712B2Drying device and printing apparatusSAKAMOTO WATARU·Filed 2017·Granted May 28, 2019·1 cites·12 claims
- 1779US8598644B2Nonvolatile semiconductor storage device and method of manufacturing the sameSAKAMOTO WATARU·Filed 2012·Granted Dec 3, 2013·5 cites·20 claims
- 1879US8236679B2Manufacturing method of semiconductor memory device using insulating film as charge storage layerSAKAMOTO WATARU·Filed 2008·Granted Aug 7, 2012·6 cites·20 claims
- 1977US10991708B2Semiconductor device for preventing an increase in resistance difference of an electrode layerTOSHIBA MEMORY CORP·Filed 2016·Granted Apr 27, 2021·2 cites·18 claims
- 2077US10134750B2Stacked type semiconductor memory device and method for manufacturing the sameTOSHIBA MEMORY CORP·Filed 2015·Granted Nov 20, 2018·2 cites·8 claims
- 2177US8837223B2Nonvolatile semiconductor memory device and method for manufacuring the sameSAKAMOTO WATARU·Filed 2012·Granted Sep 16, 2014·6 cites·20 claims
- 2277US8212303B2Nonvolatile semiconductor memory deviceSAKAMOTO WATARU·Filed 2010·Granted Jul 3, 2012·5 cites·11 claims
- 2376US8969941B2Semiconductor device and method for manufacturing sameTOSHIBA KK·Filed 2013·Granted Mar 3, 2015·4 cites·15 claims
- 2474US11805642B2Semiconductor deviceKIOXIA CORP·Filed 2021·Granted Oct 31, 2023·0 cites·22 claims
- 2574US11152385B2Stacked type semiconductor memory device and method for manufacturing the sameKIOXIA CORP·Filed 2019·Granted Oct 19, 2021·1 cites·22 claims
- 2674US8384355B2Battery state monitoring circuit and battery deviceSEIKO INSTR INC·Filed 2010·Granted Feb 26, 2013·5 cites·2 claims
- 2772US10249635B2Three-dimensional semiconductor memory device and method for manufacturing the sameTOSHIBA MEMORY CORP·Filed 2017·Granted Apr 2, 2019·1 cites·20 claims
- 2870US9984754B2Memory device and method for operating the sameTOSHIBA MEMORY CORP·Filed 2015·Granted May 29, 2018·3 cites·19 claims
- 2969US9478556B2Semiconductor memory deviceTOSHIBA KK·Filed 2015·Granted Oct 25, 2016·1 cites·20 claims
- 3069US8957469B2Semiconductor storage device and manufacturing method of semiconductor storage deviceISOMURA RYOSUKE·Filed 2012·Granted Feb 17, 2015·4 cites·13 claims
- 3167US10923488B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2019·Granted Feb 16, 2021·0 cites·15 claims
- 3266US5374923APower-on detecting circuitMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 20, 1994·26 cites·19 claims
- 3365US9293547B2NAND EEPROM with perpendicular sets of air gaps and method for manufacturing NAND EEPROM with perpendicular sets of air gapsARAI FUMITAKA·Filed 2011·Granted Mar 22, 2016·2 cites·15 claims
- 3463US11943917B2Stacked-type semiconductor memory deviceKIOXIA CORP·Filed 2021·Granted Mar 26, 2024·0 cites·11 claims
- 3563US11485597B2Dryer rollers of a print system with increasing contact areaBOLAND STUART J·Filed 2019·Granted Nov 1, 2022·0 cites·30 claims
- 3663US10541247B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Jan 21, 2020·0 cites·20 claims
- 3761US10497709B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Dec 3, 2019·0 cites·18 claims
- 3861US9029933B2Non-volatile memory device and method for manufacturing sameTOSHIBA KK·Filed 2013·Granted May 12, 2015·1 cites·12 claims
- 3959US11892077B2Vehicle gear-shifting control apparatusMAZDA MOTOR·Filed 2023·Granted Feb 6, 2024·0 cites·9 claims
- 4059US10068911B2Semiconductor deviceTOSHIBA MEMORY CORP·Filed 2017·Granted Sep 4, 2018·0 cites·20 claims
- 4159US8138719B2Battery state monitoring circuit and battery deviceSANO KAZUAKI·Filed 2010·Granted Mar 20, 2012·3 cites·2 claims
- 4259US6320805B1Semiconductor device with external pinsMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 20, 2001·11 cites·10 claims
- 4357US6184738B1Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potentialMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Feb 6, 2001·15 cites·13 claims
- 4457US5940344ASynchronous semiconductor memory device including internal clock signal generation circuit that generates an internal clock signal synchronizing in phase with external clock signal at high precisionMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 17, 1999·17 cites·14 claims
- 4556US11501998B2Method for manufacturing three-dimensional semiconductor memory deviceTOKYO ELECTRON LTD·Filed 2020·Granted Nov 15, 2022·0 cites·11 claims
- 4656US9761600B2Semiconductor memory deviceTOSHIBA KK·Filed 2016·Granted Sep 12, 2017·0 cites·17 claims
- 4756US2015200199A1Semiconductor memory device and method for manufacturing sameTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4854US5940328ASynchronous semiconductor device with memory chips in a module for controlling output of strobe signal for trigger in reading dataMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 17, 1999·15 cites·13 claims
- 4954US2022285380A1Semiconductor memory deviceKIOXIA CORP·Filed 2022·Application pending·0 cites
- 5053US8755228B2Writing method of nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2013·Granted Jun 17, 2014·1 cites·20 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →