Inventor
AZUMA RYOTARO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “AZUMA RYOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PANASONIC CORP
10 patentsUS7990754B2Aug 2, 2011
Resistance variable memory apparatus
PANASONIC CORP77 citations98
US7920408B2Apr 5, 2011
Resistance change nonvolatile memory device
PANASONIC CORP66 citations98
US7567118B2Jul 28, 2009
Booster circuit
PANASONIC CORP26 citations93
US8848424B2Sep 30, 2014
Variable resistance nonvolatile memory device, and accessing method for variable resistance nonvolatile memory device
PANASONIC CORP24 citations92
US8885387B2Nov 11, 2014
Cross point variable resistance nonvolatile memory device
PANASONIC CORP16 citations84
US8848426B2Sep 30, 2014
Cross-point variable resistance nonvolatile memory device and reading method for cross-point variable resistance nonvolatile memory device
PANASONIC CORP15 citations84
US8384061B2Feb 26, 2013
Nonvolatile memory device and manufacturing method
PANASONIC CORP11 citations84
US8923032B2Dec 30, 2014
Crosspoint nonvolatile memory device and forming method thereof
PANASONIC CORP7 citations72
US9183925B2Nov 10, 2015
Variable resistance nonvolatile memory device and method of performing the forming operation
PANASONIC CORP2 citations63
US8902635B2Dec 2, 2014
Variable resistance nonvolatile memory device and method of writing thereby
PANASONIC CORP3 citations57
AZUMA RYOTARO
6 patentsUS8154909B2Apr 10, 2012
Resistance variable memory apparatus
AZUMA RYOTARO42 citations94
US8305795B2Nov 6, 2012
Nonvolatile variable resistance memory element writing method, and nonvolatile variable resistance memory device
AZUMA RYOTARO21 citations92
US8982603B2Mar 17, 2015
Cross point variable resistance nonvolatile memory device and method of reading thereby
AZUMA RYOTARO9 citations84
US8441839B2May 14, 2013
Cross point variable resistance nonvolatile memory device
AZUMA RYOTARO16 citations84
US9087581B2Jul 21, 2015
Cross point variable resistance nonvolatile memory device and method of writing thereby
AZUMA RYOTARO2 citations62
US8665633B2Mar 4, 2014
Nonvolatile variable resistance memory element writing method, and nonvolatile variable resistance memory device
AZUMA RYOTARO1 citations52
PANASONIC IP MAN CO LTD
5 patentsUS9336881B2May 10, 2016
Variable resistance nonvolatile memory device including a variable resistance layer that changes reversibly between a low resistance state and a high resistance state according to an applied electrical signal
PANASONIC IP MAN CO LTD9 citations84
US9053788B2Jun 9, 2015
Cross-point variable resistance nonvolatile memory device
PANASONIC IP MAN CO LTD9 citations84
US9543007B2Jan 10, 2017
Semiconductor device including memory cell and sense amplifer, and IC card including semiconductor device
PANASONIC IP MAN CO LTD2 citations73
US9484090B2Nov 1, 2016
Read and write methods for a resistance change non-volatile memory device
PANASONIC IP MAN CO LTD4 citations73
US9053787B2Jun 9, 2015
Crosspoint nonvolatile memory device and method of driving the same
PANASONIC IP MAN CO LTD5 citations72
IKEDA YUICHIRO
3 patentsKAWAI KEN
2 patentsUS8395925B2Mar 12, 2013
Forming method for variable resistance nonvolatile memory element, and variable resistance nonvolatile memory device
KAWAI KEN27 citations92
US8325508B2Dec 4, 2012
Writing method for variable resistance nonvolatile memory element, and variable resistance nonvolatile memory device
KAWAI KEN16 citations84