Inventor · disambiguated record
Shigeru Atsumi
Also filed as: ATSUMI SHIGERU
126 granted patents·1 pending application·3,404 citations·filing 1983–2005
99Inventor score
Top patents by PatentIndex Score
127 records- 0196US5600592ANonvolatile semiconductor memory device having a word line to which a negative voltage is appliedTOSHIBA KK·Filed 1995·Granted Feb 4, 1997·90 cites·19 claims
- 0296US5438542ANonvolatile semiconductor memory deviceTOSHIBA KK·Filed 1994·Granted Aug 1, 1995·83 cites·23 claims
- 0395US7180796B2Boosted voltage generating circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2005·Granted Feb 20, 2007·31 cites·2 claims
- 0495US6320428B1Semiconductor integrated circuit deviceTOSHIBA KK·Filed 2000·Granted Nov 20, 2001·72 cites·10 claims
- 0595US6052313ASemiconductor integrated circuit deviceTOSHIBA KK·Filed 1998·Granted Apr 18, 2000·92 cites·27 claims
- 0695US5392253ANonvolatile semiconductor memory device having row decoder supplying a negative potential to word lines during erase modeTOSHIBA KK·Filed 1992·Granted Feb 21, 1995·82 cites·23 claims
- 0795US4943962ANonvolatile semiconductor memory having page mode programming functionTOSHIBA KK·Filed 1988·Granted Jul 24, 1990·95 cites·19 claims
- 0895US4574273ACircuit for changing the voltage level of binary signalsTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Mar 4, 1986·59 cites·3 claims
- 0994US7120053B2Semiconductor intergrated circuit device with a main cell array and a fuse cell array whose word lines and bit lines are extended in the same directionsTOSHIBA KK·Filed 2005·Granted Oct 10, 2006·24 cites·8 claims
- 1094US6650570B2Non-volatile semiconductor memoryTOSHIBA KK·Filed 2001·Granted Nov 18, 2003·68 cites·11 claims
- 1194US6195307B1Booster circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2000·Granted Feb 27, 2001·81 cites·17 claims
- 1291US6605986B2Boosted voltage generating circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2002·Granted Aug 12, 2003·41 cites·12 claims
- 1391US6128242APower supply circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 1998·Granted Oct 3, 2000·67 cites·36 claims
- 1491US4860260ASemiconductor memory device with testing of redundant memory cellsTOSHIBA KK·Filed 1987·Granted Aug 22, 1989·67 cites·14 claims
- 1590US6498761B2Power supply circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2001·Granted Dec 24, 2002·43 cites·5 claims
- 1690US6429725B1Pump circuit with active-mode and stand-by mode booster circuitsTOSHIBA KK·Filed 2001·Granted Aug 6, 2002·59 cites·14 claims
- 1790US6356499B1Power supply circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2000·Granted Mar 12, 2002·55 cites·10 claims
- 1889US6222773B1Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasingTOSHIBA KK·Filed 2000·Granted Apr 24, 2001·48 cites·6 claims
- 1989US4926070AVoltage level converting circuitTOSHIBA KK·Filed 1988·Granted May 15, 1990·42 cites·6 claims
- 2088US6643183B2Channel-erase nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2002·Granted Nov 4, 2003·33 cites·8 claims
- 2188US5986940ASemiconductor integrated circuit device with a constant current sourceTOSHIBA KK·Filed 1998·Granted Nov 16, 1999·70 cites·34 claims
- 2288US5642072AHigh voltage generator circuitTOSHIBA KK·Filed 1996·Granted Jun 24, 1997·47 cites·26 claims
- 2387US6222774B1Data-erasable non-volatile semiconductor memory deviceTOSHIBA KK·Filed 1999·Granted Apr 24, 2001·65 cites·23 claims
- 2485US6865125B2Non-volatile semiconductor memoryTOSHIBA KK·Filed 2004·Granted Mar 8, 2005·28 cites·4 claims
- 2585US6487120B2Boosted voltage generating circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2001·Granted Nov 26, 2002·25 cites·19 claims
- 2685US6373749B1Channel-erase nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2000·Granted Apr 16, 2002·28 cites·17 claims
- 2784US6801457B2Non-volatile semiconductor memoryTOSHIBA KK·Filed 2003·Granted Oct 5, 2004·28 cites·4 claims
- 2884US6166987ANonvolatile semiconductor memory device having row decoderTOSHIBA KK·Filed 1999·Granted Dec 26, 2000·35 cites·5 claims
- 2984US5233566AAddress detector of a redundancy memory cellTOSHIBA KK·Filed 1990·Granted Aug 3, 1993·54 cites·24 claims
- 3084US4884241ANonvolatile semiconductor memory deviceTOSHIBA KK·Filed 1989·Granted Nov 28, 1989·44 cites·6 claims
- 3183US6041012ASemiconductor integrated circuit device having a booster circuit and a storage deviceTOSHIBA KK·Filed 1998·Granted Mar 21, 2000·44 cites·51 claims
- 3283US5559737ANonvolatile semiconductor memory capable of simultaneously equalizing bit lines and sense linesTOSHIBA KK·Filed 1994·Granted Sep 24, 1996·51 cites·11 claims
- 3383US5513146ANonvolatile semiconductor memory device having a row decoder supplying a negative potential to word lines during erase modeTOSHIBA KK·Filed 1994·Granted Apr 30, 1996·31 cites·17 claims
- 3483US4970691A2-cell/1-bit type EPROMTOSHIBA KK·Filed 1989·Granted Nov 13, 1990·43 cites·17 claims
- 3582US5901083ANonvolatile semiconductor memory deviceTOSHIBA KK·Filed 1997·Granted May 4, 1999·36 cites·39 claims
- 3681US6088267ANonvolatile semiconductor memory device having row decoderTOSHIBA KK·Filed 1998·Granted Jul 11, 2000·29 cites·21 claims
- 3781US5568419ANon-volatile semiconductor memory device and data erasing method thereforTOSHIBA KK·Filed 1995·Granted Oct 22, 1996·49 cites·24 claims
- 3881US4788663ANonvolatile semiconductor memory device with a lightly-doped drain structureTOSHIBA KK·Filed 1987·Granted Nov 29, 1988·39 cites·17 claims
- 3980US6510089B2Voltage-level shifter and semiconductor memory using the sameTOSHIBA KK·Filed 2002·Granted Jan 21, 2003·25 cites·11 claims
- 4080US6333662B1Latch type level shift circuitTOSHIBA KK·Filed 1999·Granted Dec 25, 2001·43 cites·28 claims
- 4180US5394077AInternal power supply circuit for use in a semiconductor deviceTOSHIBA KK·Filed 1994·Granted Feb 28, 1995·36 cites·14 claims
- 4279US6996024B2Boosted voltage generating circuit and semiconductor memory device having the sameTOSHIBA KK·Filed 2004·Granted Feb 7, 2006·17 cites·5 claims
- 4379US6108246ASemiconductor memory deviceTOSHIBA KK·Filed 1999·Granted Aug 22, 2000·40 cites·18 claims
- 4479US5253201AWriting control circuit employed in non-volatile semiconductor memory deviceTOSHIBA KK·Filed 1992·Granted Oct 12, 1993·37 cites·14 claims
- 4579US4999813ANonvolatile semiconductor memory having a stress test circuitTOSHIBA KK·Filed 1989·Granted Mar 12, 1991·59 cites·12 claims
- 4679US4893275AHigh voltage switching circuit in a nonvolatile memoryTOSHIBA KK·Filed 1988·Granted Jan 9, 1990·36 cites·3 claims
- 4778US7283405B2Semiconductor memory device and signal processing systemSONY CORP·Filed 2005·Granted Oct 16, 2007·13 cites·25 claims
- 4878US6700817B2Semiconductor integrated circuit device with operation/function setting information memoryTOSHIBA KK·Filed 2002·Granted Mar 2, 2004·16 cites·27 claims
- 4977US6999365B2Semiconductor memory device and current mirror circuitTOSHIBA KK·Filed 2004·Granted Feb 14, 2006·21 cites·14 claims
- 5077US5812459ANonvolatile semiconductor memory device having row decoder supplying a negative potential to wordlines during erase modeTOSHIBA KK·Filed 1997·Granted Sep 22, 1998·24 cites·21 claims
Showing the top 50 of 127 patent records by PatentIndex Score.
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