Inventor · disambiguated record
Hisayuki Higuchi
Also filed as: HIGUCHI HISAYUKI
29 granted patents·758 citations·filing 1982–2003
97Inventor score
Top patents by PatentIndex Score
29 records- 0198US4928265ASemiconductor integrated circuitHITACHI LTD·Filed 1988·Granted May 22, 1990·164 cites·9 claims
- 0289US6091629AHigh speed semiconductor memory apparatus including circuitry to increase writing and reading speedHITACHI LTD·Filed 1997·Granted Jul 18, 2000·112 cites·24 claims
- 0385US6665209B2Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer systemRENESAS TECH CORP·Filed 2002·Granted Dec 16, 2003·26 cites·5 claims
- 0481US4635090ATapered groove IC isolationHITACHI LTD·Filed 1985·Granted Jan 6, 1987·49 cites·23 claims
- 0578US6839268B2Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer systemRENESAS TECH CORP·Filed 2003·Granted Jan 4, 2005·17 cites·8 claims
- 0678US5163022ASemiconductor cell memory with current sensingHITACHI LTD·Filed 1992·Granted Nov 10, 1992·42 cites·45 claims
- 0774US6515894B2Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer systemHITACHI LTD·Filed 2001·Granted Feb 4, 2003·14 cites·14 claims
- 0872US4396460AMethod of forming groove isolation in a semiconductor deviceHITACHI LTD·Filed 1982·Granted Aug 2, 1983·34 cites·9 claims
- 0971US6396732B1Semiconductor memory apparatus, semiconductor apparatus, data processing apparatus and computer systemHITACHI LTD·Filed 2000·Granted May 28, 2002·12 cites·17 claims
- 1069US5907867ATranslation lookaside buffer supporting multiple page sizesHITACHI LTD·Filed 1996·Granted May 25, 1999·59 cites·4 claims
- 1168US6392277B1Semiconductor deviceHITACHI LTD·Filed 1998·Granted May 21, 2002·23 cites·25 claims
- 1267US4825274ABi-CMOS semiconductor device immune to latch-upHITACHI LTD·Filed 1986·Granted Apr 25, 1989·23 cites·6 claims
- 1367US4640721AMethod of forming bipolar transistors with graft base regionsHITACHI LTD·Filed 1985·Granted Feb 3, 1987·26 cites·15 claims
- 1464US5253197ASemiconductor associative memory device with current sensingHITACHI LTD·Filed 1990·Granted Oct 12, 1993·24 cites·13 claims
- 1556US5255225ASemiconductor integrated circuit device and memory consisting of semiconductor integrated circuitHITACHI LTD·Filed 1992·Granted Oct 19, 1993·18 cites·28 claims
- 1655US6727152B2Semiconductor deviceRENESAS TECH CORP·Filed 2002·Granted Apr 27, 2004·5 cites·16 claims
- 1755US4937480ABICMOS buffer circuitHITACHI LTD·Filed 1989·Granted Jun 26, 1990·12 cites·4 claims
- 1850US6342710B1Semiconductor integrated circuitHITACHI LTD·Filed 2000·Granted Jan 29, 2002·5 cites·12 claims
- 1950US5128743ASemiconductor device and method of manufacturing the sameHITACHI LTD·Filed 1986·Granted Jul 7, 1992·13 cites·13 claims
- 2049US4986666ASemiconductor memory deviceHITACHI DEVICE ENG·Filed 1988·Granted Jan 22, 1991·11 cites·15 claims
- 2148US4866673ABI-MOS semiconductor memory having high soft error immunityHITACHI LTD·Filed 1987·Granted Sep 12, 1989·10 cites·10 claims
- 2246US5398201ABit-line drive circuit for a semiconductor memoryHITACHI LTD·Filed 1993·Granted Mar 14, 1995·12 cites·10 claims
- 2344US6121646ASemiconductor integrated circuitHITACHI LTD·Filed 1996·Granted Sep 19, 2000·8 cites·16 claims
- 2444US5107141ABiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 voltsHITACHI LTD·Filed 1990·Granted Apr 21, 1992·7 cites·17 claims
- 2544US4858191ASemiconductor integrated circuitHITACHI LTD·Filed 1987·Granted Aug 15, 1989·7 cites·33 claims
- 2642US5218567AMatch detection circuit for cache memory apparatusHITACHI LTD·Filed 1991·Granted Jun 8, 1993·13 cites·2 claims
- 2737US4642486ADecoder circuit using transistors or diodes of different characteristicsHITACHI LTD·Filed 1984·Granted Feb 10, 1987·3 cites·8 claims
- 2835US4942555ABi-MOS semiconductor memory having high soft error immunityHITACHI LTD·Filed 1989·Granted Jul 17, 1990·4 cites·7 claims
- 2933US4984058ASemiconductor integrated circuit deviceHITACHI MICROCUMPUTER ENG·Filed 1988·Granted Jan 8, 1991·5 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →