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 patentsUS5898636AApr 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