Inventor · disambiguated record
Kazuyasu Fujishima
Also filed as: FUJISHIMA KAZUYASU
93 granted patents·1 pending application·3,373 citations·filing 1978–2004
99Inventor score
Top patents by PatentIndex Score
94 records- 0199US4977542ADynamic semiconductor memory device of a twisted bit line system having improved reliability of readoutMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Dec 11, 1990·446 cites·21 claims
- 0295US5226147ASemiconductor memory device for simple cache systemMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jul 6, 1993·102 cites·19 claims
- 0395US5222047AMethod and apparatus for driving word line in block access memoryMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jun 22, 1993·121 cites·6 claims
- 0493US5687123ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 11, 1997·66 cites·42 claims
- 0591US5179687ASemiconductor memory device containing a cache and an operation method thereofMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jan 12, 1993·165 cites·16 claims
- 0690US5283762ASemiconductor device containing voltage converting circuit and operating method thereofMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 1, 1994·62 cites·26 claims
- 0790US4586167ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Apr 29, 1986·55 cites·12 claims
- 0889US5111386ACache contained type semiconductor memory device and operating method thereforMITSUBISHI ELECTRIC CORP·Filed 1990·Granted May 5, 1992·167 cites·10 claims
- 0989US4855953ASemiconductor memory device having stacked memory capacitors and method for manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Aug 8, 1989·58 cites·30 claims
- 1088US5509132ASemiconductor memory device having an SRAM as a cache memory integrated on the same chip and operating method thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Apr 16, 1996·124 cites·35 claims
- 1188US4675850ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jun 23, 1987·58 cites·3 claims
- 1287US4926385ASemiconductor memory device with cache memory addressable by block within each columnMITSUBISHI ELECTRIC CORP·Filed 1988·Granted May 15, 1990·91 cites·7 claims
- 1386US4586171ASemiconductor memoryMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Apr 29, 1986·40 cites·13 claims
- 1485US6404056B1Semiconductor integrated circuitMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jun 11, 2002·69 cites·18 claims
- 1585USRE36089EColumn selecting circuit in semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Feb 9, 1999·52 cites·14 claims
- 1685US5077688ASemiconductor memory device having improved memory cells provided with cylindrical type capacitorsMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Dec 31, 1991·58 cites·27 claims
- 1785US4914630ARefresh arrangement in a block divided memory including a plurality of shift registersMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 3, 1990·48 cites·10 claims
- 1884US5353427ASemiconductor memory device for simple cache system with selective coupling of bit line pairsMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 4, 1994·39 cites·22 claims
- 1984US5214601ABit line structure for semiconductor memory device including cross-points and multiple interconnect layersMITSUBISHI ELECTRIC CORP·Filed 1992·Granted May 25, 1993·37 cites·7 claims
- 2084US4455628ASubstrate bias generating circuitMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Jun 19, 1984·33 cites·4 claims
- 2183US5682343AHierarchical bit line arrangement in a semiconductor memoryMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Oct 28, 1997·54 cites·26 claims
- 2283US4918692AAutomated error detection for multiple block memory array chip and correction thereofMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 17, 1990·74 cites·9 claims
- 2381US4833650ASemiconductor memory device including programmable mode selection circuitryMITSUBISHI ELECTRIC CORP·Filed 1987·Granted May 23, 1989·39 cites·8 claims
- 2480US6414883B2Semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 2, 2002·18 cites·3 claims
- 2580US5189316AStepdown voltage generator having active mode and standby modeMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 23, 1993·45 cites·2 claims
- 2680US4730320ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Mar 8, 1988·63 cites·22 claims
- 2779US5416734ABit line structure for semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 16, 1995·29 cites·17 claims
- 2878US4903268ASemiconductor memory device having on-chip error check and correction functionsMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Feb 20, 1990·59 cites·7 claims
- 2978US4896297ACircuit for generating a boosted signal for a word lineMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jan 23, 1990·35 cites·21 claims
- 3077US5588130ASemiconductor memory device for simple cache systemMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Dec 24, 1996·50 cites·27 claims
- 3177US5280443ABit line structure for semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jan 18, 1994·26 cites·9 claims
- 3277US5185744ASemiconductor memory device with test circuitMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 9, 1993·39 cites·40 claims
- 3377US4914632ASemiconductor devices having redundancy circuitry and operating method thereforMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 3, 1990·33 cites·18 claims
- 3476US5943273ASemiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Aug 24, 1999·23 cites·23 claims
- 3576US5012447ABit line structure for a dynamic type semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 30, 1991·32 cites·14 claims
- 3674US5060230AOn chip semiconductor memory arbitrary pattern, parallel test apparatus and methodMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Oct 22, 1991·47 cites·18 claims
- 3774US4456939AInput protective circuit for semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1981·Granted Jun 26, 1984·18 cites·2 claims
- 3873US5550769ABit line structure for semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Aug 27, 1996·21 cites·9 claims
- 3973US4839864ASemiconductor memory device comprising programmable redundancy circuitMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jun 13, 1989·28 cites·13 claims
- 4072US5371714AMethod and apparatus for driving word line in block access memoryMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Dec 6, 1994·27 cites·4 claims
- 4171US5289417ASemiconductor memory device with redundancy circuitMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Feb 22, 1994·26 cites·21 claims
- 4271US5014241ADynamic semiconductor memory device having reduced soft error rateMITSUBISHI ELECTRIC CORP·Filed 1989·Granted May 7, 1991·25 cites·12 claims
- 4371US4808844ASemiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Feb 28, 1989·37 cites·13 claims
- 4470US5461589ABit line structure for semiconductor memory device with bank separation at cross-over regionsMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Oct 24, 1995·19 cites·4 claims
- 4570US5267214AShared-sense amplifier control signal generating circuit in dynamic type semiconductor memory device and operating method thereforMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Nov 30, 1993·30 cites·9 claims
- 4670US4593382AMOS dynamic memory deviceMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Jun 3, 1986·19 cites·8 claims
- 4768US5226139ASemiconductor memory device with a built-in cache memory and operating method thereofMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jul 6, 1993·50 cites·22 claims
- 4868US4953164ACache memory system having error correcting circuitMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Aug 28, 1990·38 cites·12 claims
- 4968US4722074ASemiconductor storage unit with I/O bus precharging and equalizationMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jan 26, 1988·23 cites·6 claims
- 5067US4672582ASemiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jun 9, 1987·24 cites·3 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →