Inventor
HIGUCHI HISAYUKI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “HIGUCHI HISAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
24 patentsUS6091629AJul 18, 2000
High speed semiconductor memory apparatus including circuitry to increase writing and reading speed
HITACHI LTD112 citations99
US4928265AMay 22, 1990
Semiconductor integrated circuit
HITACHI LTD164 citations99
US4635090AJan 6, 1987
Tapered groove IC isolation
HITACHI LTD49 citations96
US5907867AMay 25, 1999
Translation lookaside buffer supporting multiple page sizes
HITACHI LTD59 citations95
US6515894B2Feb 4, 2003
Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system
HITACHI LTD14 citations93
US5253197AOct 12, 1993
Semiconductor associative memory device with current sensing
HITACHI LTD24 citations93
US4396460AAug 2, 1983
Method of forming groove isolation in a semiconductor device
HITACHI LTD34 citations93
US6392277B1May 21, 2002
Semiconductor device
HITACHI LTD23 citations92
US5163022ANov 10, 1992
Semiconductor cell memory with current sensing
HITACHI LTD42 citations92
US4640721AFeb 3, 1987
Method of forming bipolar transistors with graft base regions
HITACHI LTD26 citations92
US6396732B1May 28, 2002
Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system
HITACHI LTD12 citations82
US4825274AApr 25, 1989
Bi-CMOS semiconductor device immune to latch-up
HITACHI LTD23 citations82
US5218567AJun 8, 1993
Match detection circuit for cache memory apparatus
HITACHI LTD13 citations74
US5128743AJul 7, 1992
Semiconductor device and method of manufacturing the same
HITACHI LTD13 citations74
US5107141AApr 21, 1992
BiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 volts
HITACHI LTD7 citations74
US4937480AJun 26, 1990
BICMOS buffer circuit
HITACHI LTD12 citations74
US4866673ASep 12, 1989
BI-MOS semiconductor memory having high soft error immunity
HITACHI LTD10 citations74
US4858191AAug 15, 1989
Semiconductor integrated circuit
HITACHI LTD7 citations74
US6342710B1Jan 29, 2002
Semiconductor integrated circuit
HITACHI LTD5 citations73
US6121646ASep 19, 2000
Semiconductor integrated circuit
HITACHI LTD8 citations73
US5255225AOct 19, 1993
Semiconductor integrated circuit device and memory consisting of semiconductor integrated circuit
HITACHI LTD18 citations73
US5398201AMar 14, 1995
Bit-line drive circuit for a semiconductor memory
HITACHI LTD12 citations72
US4942555AJul 17, 1990
Bi-MOS semiconductor memory having high soft error immunity
HITACHI LTD4 citations63
US4642486AFeb 10, 1987
Decoder circuit using transistors or diodes of different characteristics
HITACHI LTD3 citations62
RENESAS TECH CORP
3 patentsUS6839268B2Jan 4, 2005
Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system
RENESAS TECH CORP17 citations93
US6665209B2Dec 16, 2003
Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer system
RENESAS TECH CORP26 citations93
US6727152B2Apr 27, 2004
Semiconductor device
RENESAS TECH CORP5 citations74