Inventor
SASAGO YOSHITAKA
JP51 patents
⚠️ This page may combine multiple inventors who share the name “SASAGO YOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS6670671B2Dec 30, 2003
Nonvolatile semiconductor memory device and manufacturing method thereof
HITACHI LTD65 citations96
US9490429B2Nov 8, 2016
Nonvolatile memory device and method for manufacturing same
HITACHI LTD6 citations84
US9385320B2Jul 5, 2016
Semiconductor storage device and method for manufacturing same
HITACHI LTD4 citations84
US9177999B2Nov 3, 2015
Non-volatile memory device and production method thereof
HITACHI LTD6 citations84
US7829930B2Nov 9, 2010
Semiconductor device with ion movement control
HITACHI LTD10 citations84
US7996735B2Aug 9, 2011
Semiconductor device
HITACHI LTD5 citations74
US6849502B2Feb 1, 2005
Semiconductor device and method of manufacturing the same
HITACHI LTD6 citations74
US9905756B2Feb 27, 2018
Semiconductor storage device
HITACHI LTD2 citations73
US9478284B2Oct 25, 2016
Semiconductor storage device
HITACHI LTD3 citations73
US9070621B2Jun 30, 2015
Nonvolatile semiconductor memory device and manufacturing method thereof
HITACHI LTD4 citations73
US8901712B2Dec 2, 2014
Semiconductor memory device
HITACHI LTD3 citations63
US8841646B2Sep 23, 2014
Semiconductor storage device and method for manufacturing same
HITACHI LTD1 citations63
US7767997B2Aug 3, 2010
Semiconductor device with solid electrolyte switching
HITACHI LTD6 citations58
US9153775B2Oct 6, 2015
Semiconductor storage device and method for manufacturing same
HITACHI LTD0 citations52
US7190017B2Mar 13, 2007
Semiconductor device and method of manufacturing the same
HITACHI LTD1 citations52
US10466198B2Nov 5, 2019
Gas sensor
HITACHI LTD0 citations42
US9911916B2Mar 6, 2018
Method for vapor-phase growth of phase-change thin film, and device for vapor-phase growth of phase-change thin film
HITACHI LTD0 citations42
US7838379B2Nov 23, 2010
Non-volatile memory device and method of manufacturing the same
HITACHI LTD0 citations42
RENESAS TECH CORP
9 patentsUS7411242B2Aug 12, 2008
Miniaturized virtual grounding nonvolatile semiconductor memory device and manufacturing method thereof
RENESAS TECH CORP9 citations83
US7184318B2Feb 27, 2007
Semiconductor memory device
RENESAS TECH CORP6 citations73
US6927443B2Aug 9, 2005
Nonvolatile semiconductor memory device
RENESAS TECH CORP9 citations73
US7195967B2Mar 27, 2007
Nonvolatile semiconductor memory device and manufacturing method thereof
RENESAS TECH CORP3 citations63
US7023048B2Apr 4, 2006
Nonvolatile semiconductor memory devices and the fabrication process of them
RENESAS TECH CORP2 citations63
US7323741B2Jan 29, 2008
Semiconductor nonvolatile memory device
RENESAS TECH CORP3 citations62
US7317634B2Jan 8, 2008
Nonvolatile semiconductor memory device
RENESAS TECH CORP4 citations62
US7585726B2Sep 8, 2009
Nonvolatile semiconductor memory devices and the fabrication process of them
RENESAS TECH CORP1 citations52
US7471563B2Dec 30, 2008
Semiconductor memory device
RENESAS TECH CORP1 citations51
SASAGO YOSHITAKA
8 patentsUS8563961B2Oct 22, 2013
Semiconductor storage device and method for manufacturing same
SASAGO YOSHITAKA26 citations90
US8830740B2Sep 9, 2014
Semiconductor storage device
SASAGO YOSHITAKA13 citations84
US8592789B2Nov 26, 2013
Nonvolatile semiconductor memory device and manufacturing method thereof
SASAGO YOSHITAKA8 citations84
US8866123B2Oct 21, 2014
Non-volatile memory device and production method thereof
SASAGO YOSHITAKA8 citations83
US9391268B2Jul 12, 2016
Semiconductor storage device
SASAGO YOSHITAKA4 citations73
US9099177B2Aug 4, 2015
Semiconductor storage device
SASAGO YOSHITAKA6 citations73
US9293508B2Mar 22, 2016
Semiconductor storage device and method of fabricating same
SASAGO YOSHITAKA2 citations62
US9153774B2Oct 6, 2015
Nonvolatile memory device and method for manufacturing same
SASAGO YOSHITAKA1 citations51
KINOSHITA MASAHARU
4 patentsUS8129705B2Mar 6, 2012
Nonvolatile memory device and method of manufacturing the same
KINOSHITA MASAHARU24 citations92
US8772746B2Jul 8, 2014
Semiconductor memory device
KINOSHITA MASAHARU2 citations62
US8642988B2Feb 4, 2014
Non-volatile memory device
KINOSHITA MASAHARU3 citations62
US8604456B2Dec 10, 2013
Nonvolatile memory device and method of manufacturing the same
KINOSHITA MASAHARU2 citations62
SHIMA AKIO
2 patentsHITACHI HIGH TECH CORP
2 patentsHITACHI METALS LTD
2 patentsMINEMURA HIROYUKI
1 patentHANZAWA SATORU
1 patentWATANABE TAKAO
1 patentRENESAS ELECTRONICS CORP
1 patentTERAO MOTOYASU
1 patentShowing the top 50 of 51 patents by PatentIndex Score.