P

Inventor

YAMAGUCHI KUNIHIKO

JP23 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI KUNIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

19 patents
US5898636AApr 27, 1999

Semiconductor integrated circuit device with interleaved memory and logic blocks

HITACHI LTD27 citations92
US5523966AJun 4, 1996

Memory cell and a memory device having reduced soft error

HITACHI LTD36 citations92
US5163022ANov 10, 1992

Semiconductor cell memory with current sensing

HITACHI LTD42 citations92
US4156941AMay 29, 1979

High speed semiconductor memory

HITACHI LTD27 citations82
US4733372AMar 22, 1988

Semiconductor memory having redundancy

HITACHI LTD20 citations78
US5587952ADec 24, 1996

Dynamic random access memory including read preamplifiers activated before rewrite amplifiers

HITACHI LTD9 citations74
US4461992AJul 24, 1984

Temperature-compensated current source circuit and a reference voltage generating circuit using the same

HITACHI LTD12 citations74
US4366558ADec 28, 1982

Memory device with fast word-line-discharging-circuits

HITACHI LTD15 citations74
US6677782B2Jan 13, 2004

Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit

HITACHI LTD7 citations73
US6369617B1Apr 9, 2002

Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit

HITACHI LTD6 citations73
US6034912AMar 7, 2000

Semiconductor integrated circuit device and method of manufacturing the same

HITACHI LTD13 citations73
US5644548AJul 1, 1997

Dynamic random access memory having bipolar and C-MOS transistor

HITACHI LTD10 citations73
US5255225AOct 19, 1993

Semiconductor integrated circuit device and memory consisting of semiconductor integrated circuit

HITACHI LTD18 citations73
US5086414AFeb 4, 1992

Semiconductor device having latch means

HITACHI LTD15 citations73
US4809052AFeb 28, 1989

Semiconductor memory device

HITACHI LTD7 citations73
US5398201AMar 14, 1995

Bit-line drive circuit for a semiconductor memory

HITACHI LTD12 citations72
US4727265AFeb 23, 1988

Semiconductor circuit having a current switch circuit which imparts a latch function to an input buffer for generating high amplitude signals

HITACHI LTD7 citations71
US4642486AFeb 10, 1987

Decoder circuit using transistors or diodes of different characteristics

HITACHI LTD3 citations62
US5583817ADec 10, 1996

Semiconductor integrated circuit device

HITACHI LTD3 citations58

MITSUBISHI CHEM IND

3 patents

HITACHI DEVICE ENG

1 patent