Inventor · disambiguated record
Yasuo Itoh
Also filed as: ITOH YASUO
75 granted patents·3,905 citations·filing 1973–2013
99Inventor score
Top patents by PatentIndex Score
75 records- 0199US4959812AElectrically erasable programmable read-only memory with NAND cell structureTOSHIBA KK·Filed 1988·Granted Sep 25, 1990·652 cites·15 claims
- 0298US6107658ANon-volatile semiconductor memory deviceTOSHIBA KK·Filed 1999·Granted Aug 22, 2000·283 cites·21 claims
- 0398US6011287ANon-volatile semiconductor memory deviceTOSHIBA KK·Filed 1998·Granted Jan 4, 2000·231 cites·20 claims
- 0498US4800530ASemiconductor memory system with dynamic random access memory cellsKABUSHIKI KASIHA TOSHIBA·Filed 1987·Granted Jan 24, 1989·172 cites·11 claims
- 0597US4939690AElectrically erasable programmable read-only memory with NAND cell structure that suppresses memory cell threshold voltage variationTOSHIBA KK·Filed 1988·Granted Jul 3, 1990·142 cites·15 claims
- 0696US6259612B1Semiconductor deviceTOSHIBA KK·Filed 2000·Granted Jul 10, 2001·124 cites·15 claims
- 0796US6049494ASemiconductor memory deviceTOSHIBA KK·Filed 1998·Granted Apr 11, 2000·156 cites·26 claims
- 0896US5361227ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1992·Granted Nov 1, 1994·103 cites·130 claims
- 0995US6404274B1Internal voltage generating circuit capable of generating variable multi-level voltagesTOSHIBA KK·Filed 1999·Granted Jun 11, 2002·139 cites·10 claims
- 1093US7139201B2Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2005·Granted Nov 21, 2006·24 cites·74 claims
- 1193US5103895AMethod and apparatus of continuously casting a metal sheetNIPPON STEEL CORP·Filed 1990·Granted Apr 14, 1992·39 cites·18 claims
- 1293US4887662ACooling drum for continuous-casting machines for manufacturing thin metallic stripTANAKA SHIGENORI·Filed 1988·Granted Dec 19, 1989·46 cites·6 claims
- 1392US5751634ANon-volatile semiconductor memory device for storing multivalue data and readout/write-in method thereforTOSHIBA KK·Filed 1996·Granted May 12, 1998·100 cites·40 claims
- 1492US5278794ANAND-cell type electrically erasable and programmable read-only memory with redundancy circuitTOSHIBA KK·Filed 1992·Granted Jan 11, 1994·92 cites·15 claims
- 1591US6172911B1Non-volatile semiconductor memory device with an improved verify voltage generatorTOSHIBA KK·Filed 1999·Granted Jan 9, 2001·54 cites·10 claims
- 1691US6002354AVariable potential generating circuit using current-scaling adding type D/A converter circuitTOSHIBA KK·Filed 1998·Granted Dec 14, 1999·72 cites·17 claims
- 1791US5831903AElectrically erasable programmable read-only memory with threshold value controller for data programming and method of programming the sameTOSHIBA KK·Filed 1997·Granted Nov 3, 1998·76 cites·19 claims
- 1890USRE35838EElectrically erasable programmable read-only memory with NAND cell structureTOSHIBA KK·Filed 1995·Granted Jul 7, 1998·90 cites·16 claims
- 1990US5724300ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Mar 3, 1998·50 cites·44 claims
- 2090US5368088AApparatus of continuously casting a metal sheetNIPPON STEEL CORP·Filed 1993·Granted Nov 29, 1994·29 cites·2 claims
- 2189US5388084ANon-volatile semiconductor memory device with high voltage generatorTOSHIBA KK·Filed 1993·Granted Feb 7, 1995·71 cites·17 claims
- 2288US5642072AHigh voltage generator circuitTOSHIBA KK·Filed 1996·Granted Jun 24, 1997·47 cites·26 claims
- 2388US5050125AElectrically erasable programmable read-only memory with NAND cellstructureTOSHIBA KK·Filed 1988·Granted Sep 17, 1991·60 cites·6 claims
- 2487US5615165ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1995·Granted Mar 25, 1997·43 cites·135 claims
- 2586US5546351ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1994·Granted Aug 13, 1996·65 cites·29 claims
- 2686US5075890AElectrically erasable programmable read-only memory with nand cellTOSHIBA KK·Filed 1990·Granted Dec 24, 1991·62 cites·18 claims
- 2786US5043942ANand cell type programmable read-only memory with common control gate driver circuitTOSHIBA KK·Filed 1990·Granted Aug 27, 1991·58 cites·14 claims
- 2884US6967892B2Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2004·Granted Nov 22, 2005·27 cites·102 claims
- 2984US5508957ANon-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-throughTOSHIBA KK·Filed 1994·Granted Apr 16, 1996·56 cites·6 claims
- 3083US6781895B1Non-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 2000·Granted Aug 24, 2004·27 cites·9 claims
- 3180US5793696ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Aug 11, 1998·27 cites·13 claims
- 3280US5784315ASemiconductor memory deviceTOSHIBA KK·Filed 1995·Granted Jul 21, 1998·41 cites·54 claims
- 3380US5657270AElectrically erasable programmable read-only memory with threshold value controller for data programmingTOSHIBA KK·Filed 1995·Granted Aug 12, 1997·36 cites·54 claims
- 3479US6061289AVariable potential generating circuit using current-scaling adding type D/A converter circuit in semiconductor memory deviceTOSHIBA KK·Filed 1999·Granted May 9, 2000·37 cites·4 claims
- 3579US5909399ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1998·Granted Jun 1, 1999·26 cites·22 claims
- 3678US5818791ANon-volatile semiconductor memory device and memory system using the sameTOSHIBA KK·Filed 1997·Granted Oct 6, 1998·24 cites·5 claims
- 3777US4799193ASemiconductor memory devicesTOSHIBA KK·Filed 1986·Granted Jan 17, 1989·33 cites·33 claims
- 3875US5452249ANon-volatile semiconductor memory device with verify mode for verifying data written to memory cellsTOSHIBA KK·Filed 1994·Granted Sep 19, 1995·25 cites·84 claims
- 3974US5978265ANon-volatile semiconductor memory device with nand type memory cell arraysTOSHIBA KK·Filed 1991·Granted Nov 2, 1999·35 cites·34 claims
- 4074US5898335AHigh voltage generator circuitTOSHIBA KK·Filed 1996·Granted Apr 27, 1999·29 cites·36 claims
- 4174US5247480AElectrically erasable progammable read-only memory with nand cell blocksTOSHIBA KK·Filed 1991·Granted Sep 21, 1993·34 cites·11 claims
- 4274US4079330ASystem for demodulating angle-modulated signalsVICTOR COMPANY OF JAPAN·Filed 1976·Granted Mar 14, 1978·18 cites·5 claims
- 4372US5179427ANon-volatile semiconductor memory device with voltage stabilizing electrodeTOSHIBA KK·Filed 1992·Granted Jan 12, 1993·32 cites·29 claims
- 4471US4748596ASemiconductor memory device with sense amplifiersTOSHIBA KK·Filed 1985·Granted May 31, 1988·27 cites·10 claims
- 4570US6081454AElectrically erasable programmable read-only memory with threshold value controller for data programmingTOSHIBA KK·Filed 1998·Granted Jun 27, 2000·23 cites·8 claims
- 4666US4591670AEcho canceller and echo suppressor for frequency divisional attenuation of acoustic echoesNEC CORP·Filed 1983·Granted May 27, 1986·25 cites·6 claims
- 4764US5726882ANon-volatile semiconductor memory device with verify mode for verifying data written to memory cellsTOSHIBA KK·Filed 1996·Granted Mar 10, 1998·15 cites·30 claims
- 4864US5557568ANon-volatile semiconductor memory device with verify mode for verifying data written to memory cellsTOSHIBA KK·Filed 1995·Granted Sep 17, 1996·16 cites·35 claims
- 4963US5400279ANonvolatile semiconductor memory device with NAND cell structureTOSHIBA KK·Filed 1993·Granted Mar 21, 1995·24 cites·16 claims
- 5061US5880994ANon-volatile semiconductor memory device having verify functionTOSHIBA KK·Filed 1997·Granted Mar 9, 1999·13 cites·23 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →