P

Inventor

NAKAI KIYOSHI

JP48 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ELPIDA MEMORY INC

19 patents
US6795362B2Sep 21, 2004

Power controlling method for semiconductor storage device and semiconductor storage device employing same

ELPIDA MEMORY INC80 citations98
US7502252B2Mar 10, 2009

Nonvolatile semiconductor memory device and phase change memory device

ELPIDA MEMORY INC82 citations97
US8054679B2Nov 8, 2011

Phase change memory device

ELPIDA MEMORY INC45 citations94
US7333363B2Feb 19, 2008

Semiconductor storage apparatus

ELPIDA MEMORY INC21 citations93
US7225390B2May 29, 2007

Semiconductor memory device provided with error correcting code circuitry

ELPIDA MEMORY INC54 citations93
US7813178B2Oct 12, 2010

Semiconductor memory device and write control method therefor

ELPIDA MEMORY INC14 citations84
US7701758B2Apr 20, 2010

Nonvolatile memory device and control method thereof

ELPIDA MEMORY INC13 citations84
US7675770B2Mar 9, 2010

Phase change memory device

ELPIDA MEMORY INC8 citations84
US7554147B2Jun 30, 2009

Memory device and manufacturing method thereof

ELPIDA MEMORY INC16 citations84
US7508707B2Mar 24, 2009

Semiconductor storage apparatus

ELPIDA MEMORY INC12 citations84
US7492033B2Feb 17, 2009

Semiconductor memory device

ELPIDA MEMORY INC12 citations84
US7449711B2Nov 11, 2008

Phase-change-type semiconductor memory device

ELPIDA MEMORY INC13 citations84
US7760545B2Jul 20, 2010

Semiconductor memory device and programming method thereof

ELPIDA MEMORY INC7 citations74
US7738290B2Jun 15, 2010

Phase change memory device

ELPIDA MEMORY INC7 citations74
US7742332B2Jun 22, 2010

Phase-change random access memory device and semiconductor memory device

ELPIDA MEMORY INC6 citations63
US7397695B2Jul 8, 2008

Semiconductor memory apparatus and method for writing in the memory

ELPIDA MEMORY INC6 citations63
US7755952B2Jul 13, 2010

Semiconductor memory device and writing control method thereof

ELPIDA MEMORY INC1 citations52
US7590012B2Sep 15, 2009

Semiconductor storage device

ELPIDA MEMORY INC0 citations52
US7528402B2May 5, 2009

Electrically rewritable non-volatile memory element

ELPIDA MEMORY INC1 citations52

MICRON TECHNOLOGY INC

9 patents

HITACHI LTD

8 patents

SUMITOMO CHEMICAL CO

4 patents

TEXAS INSTRUMENTS INC

2 patents

NAKAI KIYOSHI

2 patents

ASAHI MALLEABLE IRON CO LTD

1 patent

SATO KOJI

1 patent

ASAHI TEC CORP

1 patent

PS4 LUXCO SARL

1 patent