Inventor · disambiguated record
Yoshitaka Sasago
Also filed as: SASAGO YOSHITAKA
51 granted patents·35 pending applications·345 citations·filing 2002–2024
98Inventor score
Files withHITACHI LTD33RENESAS TECH CORP15SASAGO YOSHITAKA12HITACHI HIGH TECH CORP9KINOSHITA MASAHARU5
Top patents by PatentIndex Score
86 records- 0195US6670671B2Nonvolatile semiconductor memory device and manufacturing method thereofHITACHI LTD·Filed 2002·Granted Dec 30, 2003·65 cites·14 claims
- 0294US8563961B2Semiconductor storage device and method for manufacturing sameSASAGO YOSHITAKA·Filed 2010·Granted Oct 22, 2013·26 cites·19 claims
- 0394US8169819B2Semiconductor storage deviceSHIMA AKIO·Filed 2010·Granted May 1, 2012·28 cites·12 claims
- 0492US8427865B2Semiconductor storage deviceSHIMA AKIO·Filed 2012·Granted Apr 23, 2013·16 cites·5 claims
- 0591US8730717B2Semiconductor deviceHANZAWA SATORU·Filed 2011·Granted May 20, 2014·15 cites·10 claims
- 0691US8129705B2Nonvolatile memory device and method of manufacturing the sameKINOSHITA MASAHARU·Filed 2009·Granted Mar 6, 2012·24 cites·5 claims
- 0790US8735865B2Semiconductor memory deviceMINEMURA HIROYUKI·Filed 2011·Granted May 27, 2014·14 cites·9 claims
- 0889US8830740B2Semiconductor storage deviceSASAGO YOSHITAKA·Filed 2011·Granted Sep 9, 2014·13 cites·15 claims
- 0988US9385320B2Semiconductor storage device and method for manufacturing sameHITACHI LTD·Filed 2015·Granted Jul 5, 2016·4 cites·17 claims
- 1086US8866123B2Non-volatile memory device and production method thereofSASAGO YOSHITAKA·Filed 2010·Granted Oct 21, 2014·8 cites·12 claims
- 1186US8592789B2Nonvolatile semiconductor memory device and manufacturing method thereofSASAGO YOSHITAKA·Filed 2011·Granted Nov 26, 2013·8 cites·5 claims
- 1285US9490429B2Nonvolatile memory device and method for manufacturing sameHITACHI LTD·Filed 2015·Granted Nov 8, 2016·6 cites·7 claims
- 1384US9177999B2Non-volatile memory device and production method thereofHITACHI LTD·Filed 2014·Granted Nov 3, 2015·6 cites·8 claims
- 1484US9070621B2Nonvolatile semiconductor memory device and manufacturing method thereofHITACHI LTD·Filed 2013·Granted Jun 30, 2015·4 cites·11 claims
- 1582US7411242B2Miniaturized virtual grounding nonvolatile semiconductor memory device and manufacturing method thereofRENESAS TECH CORP·Filed 2005·Granted Aug 12, 2008·9 cites·9 claims
- 1681US9391268B2Semiconductor storage deviceSASAGO YOSHITAKA·Filed 2012·Granted Jul 12, 2016·4 cites·13 claims
- 1777US7829930B2Semiconductor device with ion movement controlHITACHI LTD·Filed 2008·Granted Nov 9, 2010·10 cites·18 claims
- 1876US9099177B2Semiconductor storage deviceSASAGO YOSHITAKA·Filed 2011·Granted Aug 4, 2015·6 cites·15 claims
- 1975US7969760B2Semiconductor memory device and manufacturing method of the sameRENESAS ELECTRONICS CORP·Filed 2007·Granted Jun 28, 2011·5 cites·10 claims
- 2074US2024297316A1Hydrogen impurity testing system and hydrogen impurity testing methodHITACHI HIGH TECH SCIENCE CORP·Filed 2024·Application pending·0 cites
- 2173US9905756B2Semiconductor storage deviceHITACHI LTD·Filed 2014·Granted Feb 27, 2018·2 cites·15 claims
- 2272US8132063B2Semiconductor deviceTERAO MOTOYASU·Filed 2011·Granted Mar 6, 2012·4 cites·5 claims
- 2371US8699262B2Semiconductor memory deviceWATANABE TAKAO·Filed 2011·Granted Apr 15, 2014·4 cites·10 claims
- 2470US9293508B2Semiconductor storage device and method of fabricating sameSASAGO YOSHITAKA·Filed 2011·Granted Mar 22, 2016·2 cites·15 claims
- 2570US8841646B2Semiconductor storage device and method for manufacturing sameHITACHI LTD·Filed 2013·Granted Sep 23, 2014·1 cites·4 claims
- 2669US7184318B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2005·Granted Feb 27, 2007·6 cites·3 claims
- 2769US2023369628A1Fuel Cell StackHITACHI LTD·Filed 2023·Application pending·0 cites
- 2868US7996735B2Semiconductor deviceHITACHI LTD·Filed 2009·Granted Aug 9, 2011·5 cites·18 claims
- 2968US7317634B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2006·Granted Jan 8, 2008·4 cites·4 claims
- 3068US2023327164A1Fuel cell and fuel cell stackHITACHI LTD·Filed 2023·Application pending·0 cites
- 3167US9478284B2Semiconductor storage deviceHITACHI LTD·Filed 2013·Granted Oct 25, 2016·3 cites·15 claims
- 3267US8901712B2Semiconductor memory deviceHITACHI LTD·Filed 2013·Granted Dec 2, 2014·3 cites·17 claims
- 3365US8772746B2Semiconductor memory deviceKINOSHITA MASAHARU·Filed 2012·Granted Jul 8, 2014·2 cites·6 claims
- 3465US8642988B2Non-volatile memory deviceKINOSHITA MASAHARU·Filed 2012·Granted Feb 4, 2014·3 cites·13 claims
- 3564US11417892B2Fuel cellHITACHI HIGH TECH CORP·Filed 2018·Granted Aug 16, 2022·0 cites·15 claims
- 3664US7767997B2Semiconductor device with solid electrolyte switchingHITACHI LTD·Filed 2008·Granted Aug 3, 2010·6 cites·11 claims
- 3763US2010010365A1Apparatus for analyzing brain waveHITACHI LTD·Filed 2009·Application pending·0 cites
- 3862US8604456B2Nonvolatile memory device and method of manufacturing the sameKINOSHITA MASAHARU·Filed 2012·Granted Dec 10, 2013·2 cites·5 claims
- 3962US2024120520A1Fuel battery cell and manufacturing method thereforHITACHI HIGH TECH CORP·Filed 2021·Application pending·0 cites
- 4061US6849502B2Semiconductor device and method of manufacturing the sameHITACHI LTD·Filed 2003·Granted Feb 1, 2005·6 cites·18 claims
- 4158US9153775B2Semiconductor storage device and method for manufacturing sameHITACHI LTD·Filed 2014·Granted Oct 6, 2015·0 cites·6 claims
- 4258US7585726B2Nonvolatile semiconductor memory devices and the fabrication process of themRENESAS TECH CORP·Filed 2006·Granted Sep 8, 2009·1 cites·9 claims
- 4358US2023127271A1Fuel Cell and Method for Producing SameHITACHI HIGH TECH CORP·Filed 2020·Application pending·0 cites
- 4457US6927443B2Nonvolatile semiconductor memory deviceRENESAS TECH CORP·Filed 2003·Granted Aug 9, 2005·9 cites·17 claims
- 4556US11855318B2Fuel battery cell, fuel battery system, leak detection methodHITACHI HIGH TECH CORP·Filed 2019·Granted Dec 26, 2023·0 cites·13 claims
- 4655US9153774B2Nonvolatile memory device and method for manufacturing sameSASAGO YOSHITAKA·Filed 2010·Granted Oct 6, 2015·1 cites·9 claims
- 4754US2022101099A1Information processing system and information processing methodHITACHI LTD·Filed 2021·Application pending·0 cites
- 4852US2022393215A1Fuel Cell, Fuel Cell System and Method for Producing Fuel CellHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 4952US2023006233A1Fuel Cell and Method for Producing Fuel CellHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 5052US2022399558A1Fuel Battery Cell and Method for Manufacturing Fuel Battery CellHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →