P

Inventor

OISHI KANJI

JP40 patents
⚠️ This page may combine multiple inventors who share the name “OISHI KANJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

19 patents
US5754838AMay 19, 1998

Synchronous dynamic memory device capable of operating over wide range of operation frequencies

HITACHI LTD132 citations98
US5202969AApr 13, 1993

Single-chip-cache-buffer for selectively writing write-back and exclusively writing data-block portions to main-memory based upon indication of bits and bit-strings respectively

HITACHI LTD78 citations96
US4727516AFeb 23, 1988

Semiconductor memory device having redundancy means

HITACHI LTD90 citations96
US4656610AApr 7, 1987

Semiconductor memory device having redundancy means

HITACHI LTD83 citations96
US5801554ASep 1, 1998

Semiconductor Integrated circuit device for handling low amplitude signals

HITACHI LTD57 citations95
US5283886AFeb 1, 1994

Multiprocessor cache system having three states for generating invalidating signals upon write accesses

HITACHI LTD81 citations95
US5386394AJan 31, 1995

Semiconductor memory device for performing parallel operations on hierarchical data lines

HITACHI LTD49 citations93
US5598372AJan 28, 1997

Semiconductor memory

HITACHI LTD35 citations92
US5146573ASep 8, 1992

Single chip cache with partial-write circuit for transferring a preselected portion of data between memory and buffer register

HITACHI LTD31 citations92
US5140681AAug 18, 1992

Multi-processing system and cache apparatus for use in the same

HITACHI LTD35 citations92
US4581718AApr 8, 1986

MOS memory

HITACHI LTD37 citations92
US4771406ASep 13, 1988

Semiconductor integrated circuit device

HITACHI LTD17 citations82
US6717833B2Apr 6, 2004

Semiconductor device

HITACHI LTD12 citations74
US6175516B1Jan 16, 2001

Semiconductor device

HITACHI LTD13 citations74
US4943949AJul 24, 1990

Semiconductor memory including means for noise suppression

HITACHI LTD13 citations74
US4905198AFeb 27, 1990

Semiconductor integrated circuit device

HITACHI LTD12 citations74
US4680737AJul 14, 1987

Semiconductor integrated circuit device

HITACHI LTD12 citations74
US5267198ANov 30, 1993

Static memory containing sense amp and sense amp switching circuit

HITACHI LTD8 citations73
US5193075AMar 9, 1993

Static memory containing sense AMP and sense AMP switching circuit

HITACHI LTD10 citations73

ELPIDA MEMORY INC

17 patents
US7240253B2Jul 3, 2007

Semiconductor storage device

ELPIDA MEMORY INC26 citations92
US7913126B2Mar 22, 2011

Semiconductor memory device and method of testing same

ELPIDA MEMORY INC12 citations84
US7304900B2Dec 4, 2007

Semiconductor memory

ELPIDA MEMORY INC10 citations84
US7274615B2Sep 25, 2007

Semiconductor memory device and semiconductor memory device test method

ELPIDA MEMORY INC18 citations84
US6798367B2Sep 28, 2004

Size-reduced majority circuit

ELPIDA MEMORY INC16 citations84
US7859933B2Dec 28, 2010

Semiconductor memory device and operating method thereof

ELPIDA MEMORY INC9 citations83
US7562269B2Jul 14, 2009

Semiconductor storage device

ELPIDA MEMORY INC14 citations83
US6999352B2Feb 14, 2006

Data inversion circuit and semiconductor device

ELPIDA MEMORY INC16 citations83
US7411435B2Aug 12, 2008

Duty detection circuit

ELPIDA MEMORY INC10 citations82
US7808848B2Oct 5, 2010

Semiconductor memory

ELPIDA MEMORY INC7 citations74
US7542359B2Jun 2, 2009

Semiconductor memory

ELPIDA MEMORY INC7 citations74
US6958638B2Oct 25, 2005

Slew rate controlling method and system for output data

ELPIDA MEMORY INC10 citations74
US7436729B2Oct 14, 2008

Fuse circuit and semiconductor device using fuse circuit thereof

ELPIDA MEMORY INC8 citations73
US7642829B2Jan 5, 2010

Duty detection circuit

ELPIDA MEMORY INC5 citations72
US7276950B2Oct 2, 2007

Prevention of the propagation of jitters in a clock delay circuit

ELPIDA MEMORY INC9 citations72
US8054699B2Nov 8, 2011

Semiconductor memory device having a double branching bidirectional buffer

ELPIDA MEMORY INC3 citations63
US7492661B2Feb 17, 2009

Command generating circuit and semiconductor memory device having the same

ELPIDA MEMORY INC4 citations62

NAKAGAWA HIROSHI

1 patent

NEC CORP

1 patent

SAKAMOTO TATSUYA

1 patent

KURITA KOUHEI

1 patent