P

Inventor

MATSUDA YOSHIO

US140 patents
⚠️ This page may combine multiple inventors who share the name “MATSUDA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

32 patents
US5179687AJan 12, 1993

Semiconductor memory device containing a cache and an operation method thereof

MITSUBISHI ELECTRIC CORP165 citations99
US4977542ADec 11, 1990

Dynamic semiconductor memory device of a twisted bit line system having improved reliability of readout

MITSUBISHI ELECTRIC CORP446 citations99
US5636163AJun 3, 1997

Random access memory with a plurality amplifier groups for reading and writing in normal and test modes

MITSUBISHI ELECTRIC CORP100 citations98
US5509132AApr 16, 1996

Semiconductor memory device having an SRAM as a cache memory integrated on the same chip and operating method thereof

MITSUBISHI ELECTRIC CORP124 citations98
US5222047AJun 22, 1993

Method and apparatus for driving word line in block access memory

MITSUBISHI ELECTRIC CORP121 citations98
US5226147AJul 6, 1993

Semiconductor memory device for simple cache system

MITSUBISHI ELECTRIC CORP102 citations97
US5588130ADec 24, 1996

Semiconductor memory device for simple cache system

MITSUBISHI ELECTRIC CORP50 citations96
US5353427AOct 4, 1994

Semiconductor memory device for simple cache system with selective coupling of bit line pairs

MITSUBISHI ELECTRIC CORP39 citations96
US5347270ASep 13, 1994

Method of testing switches and switching circuit

MITSUBISHI ELECTRIC CORP81 citations96
US5214601AMay 25, 1993

Bit line structure for semiconductor memory device including cross-points and multiple interconnect layers

MITSUBISHI ELECTRIC CORP37 citations96
US4926385AMay 15, 1990

Semiconductor memory device with cache memory addressable by block within each column

MITSUBISHI ELECTRIC CORP91 citations96
US4918692AApr 17, 1990

Automated error detection for multiple block memory array chip and correction thereof

MITSUBISHI ELECTRIC CORP74 citations96
US4873669AOct 10, 1989

Random access memory device operable in a normal mode and in a test mode

MITSUBISHI ELECTRIC CORP74 citations96
US4855953AAug 8, 1989

Semiconductor memory device having stacked memory capacitors and method for manufacturing the same

MITSUBISHI ELECTRIC CORP58 citations96
US6404691B1Jun 11, 2002

Semiconductor memory device for simple cache system

MITSUBISHI ELECTRIC CORP17 citations93
US5550769AAug 27, 1996

Bit line structure for semiconductor memory device

MITSUBISHI ELECTRIC CORP21 citations93
US5416734AMay 16, 1995

Bit line structure for semiconductor memory device

MITSUBISHI ELECTRIC CORP29 citations93
US5371714ADec 6, 1994

Method and apparatus for driving word line in block access memory

MITSUBISHI ELECTRIC CORP27 citations93
US5289417AFeb 22, 1994

Semiconductor memory device with redundancy circuit

MITSUBISHI ELECTRIC CORP26 citations93
US5280443AJan 18, 1994

Bit line structure for semiconductor memory device

MITSUBISHI ELECTRIC CORP26 citations93
US5267214ANov 30, 1993

Shared-sense amplifier control signal generating circuit in dynamic type semiconductor memory device and operating method therefor

MITSUBISHI ELECTRIC CORP30 citations93
US5250458AOct 5, 1993

Method for manufacturing semiconductor memory device having stacked memory capacitors

MITSUBISHI ELECTRIC CORP23 citations93
US5226139AJul 6, 1993

Semiconductor memory device with a built-in cache memory and operating method thereof

MITSUBISHI ELECTRIC CORP50 citations93
US5185744AFeb 9, 1993

Semiconductor memory device with test circuit

MITSUBISHI ELECTRIC CORP39 citations93
US5060230AOct 22, 1991

On chip semiconductor memory arbitrary pattern, parallel test apparatus and method

MITSUBISHI ELECTRIC CORP47 citations93
US5014241AMay 7, 1991

Dynamic semiconductor memory device having reduced soft error rate

MITSUBISHI ELECTRIC CORP25 citations93
US5012447AApr 30, 1991

Bit line structure for a dynamic type semiconductor memory device

MITSUBISHI ELECTRIC CORP32 citations93
US4953164AAug 28, 1990

Cache memory system having error correcting circuit

MITSUBISHI ELECTRIC CORP38 citations93
US4914632AApr 3, 1990

Semiconductor devices having redundancy circuitry and operating method therefor

MITSUBISHI ELECTRIC CORP33 citations93
US4914630AApr 3, 1990

Refresh arrangement in a block divided memory including a plurality of shift registers

MITSUBISHI ELECTRIC CORP48 citations93
US4849938AJul 18, 1989

Semiconductor memory device

MITSUBISHI ELECTRIC CORP46 citations93
US4817056AMar 28, 1989

Semiconductor memory device

MITSUBISHI ELECTRIC CORP40 citations93

YKK CORP

10 patents

YOSHIDA KOGYO KK

7 patents

TORAY INDUSTRIES

1 patent

Showing the top 50 of 140 patents by PatentIndex Score.