Inventor · disambiguated record
Shigeo Ohshima
Also filed as: OHSHIMA SHIGEO
65 granted patents·6 pending applications·1,271 citations·filing 1986–2011
99Inventor score
Top patents by PatentIndex Score
71 records- 0196US5818785ASemiconductor memory device having a plurality of banksTOSHIBA KK·Filed 1996·Granted Oct 6, 1998·152 cites·28 claims
- 0294US7889537B2Non-volatile memory device and method for writing data theretoTOSHIBA KK·Filed 2008·Granted Feb 15, 2011·19 cites·15 claims
- 0394US6826104B2Synchronous semiconductor memoryTOSHIBA KK·Filed 2002·Granted Nov 30, 2004·81 cites·18 claims
- 0493US6088290ASemiconductor memory device having a power-down modeTOSHIBA KK·Filed 1998·Granted Jul 11, 2000·113 cites·9 claims
- 0591US6313676B1Synchronous type semiconductor integrated circuit having a delay monitor controlled by a delay control signal obtained in a delay measuring modeTOSHIBA KK·Filed 2000·Granted Nov 6, 2001·66 cites·14 claims
- 0687US7911823B2Method of programming a non-volatile memory deviceTOSHIBA KK·Filed 2008·Granted Mar 22, 2011·17 cites·13 claims
- 0787US7869240B2Semiconductor device and semiconductor memory testerTOSHIBA KK·Filed 2008·Granted Jan 11, 2011·12 cites·8 claims
- 0887US6879540B2Synchronous semiconductor memory device having dynamic memory cells and operating method thereofTOSHIBA KK·Filed 2003·Granted Apr 12, 2005·46 cites·13 claims
- 0983US5233564AMultiport memory with test signal generating circuit controlling data transfer from ram port to sam portTOSHIBA KK·Filed 1991·Granted Aug 3, 1993·52 cites·5 claims
- 1082US6426915B2Fast cycle RAM and data readout method thereforTOSHIBA KK·Filed 2000·Granted Jul 30, 2002·24 cites·14 claims
- 1182US6292412B1Clock control circuitTOSHIBA KK·Filed 2000·Granted Sep 18, 2001·35 cites·21 claims
- 1281US8179730B2Semiconductor device and semiconductor memory testerSHIMIZU YUUI·Filed 2010·Granted May 15, 2012·5 cites·10 claims
- 1381US7732930B2Semiconductor device, relay chip, and method for producing relay chipTOSHIBA KK·Filed 2007·Granted Jun 8, 2010·10 cites·11 claims
- 1476US6260128B1Semiconductor memory device which operates in synchronism with a clock signalTOSHIBA KK·Filed 1998·Granted Jul 10, 2001·41 cites·8 claims
- 1576US5311471ASemiconductor memory deviceTOSHIBA KK·Filed 1992·Granted May 10, 1994·44 cites·9 claims
- 1675US5051954ASemiconductor memory deviceTOSHIBA KK·Filed 1989·Granted Sep 24, 1991·31 cites·18 claims
- 1773US6990040B2Method for writing data to a semiconductor memory comprising a peripheral circuit section and a memory core section including a memory cellTOSHIBA KK·Filed 2004·Granted Jan 24, 2006·14 cites·7 claims
- 1872US6545941B2Clock synchronous circuitTOSHIBA KK·Filed 2001·Granted Apr 8, 2003·19 cites·55 claims
- 1972US6198690B1Clock control circuit with an input stop circuitTOSHIBA KK·Filed 2000·Granted Mar 6, 2001·21 cites·28 claims
- 2071US5107464ASemiconductor memory systemTOSHIBA KK·Filed 1990·Granted Apr 21, 1992·27 cites·20 claims
- 2170US4883978ASemiconductor device having reduced potential fluctuationsTOSHIBA KK·Filed 1988·Granted Nov 28, 1989·17 cites·6 claims
- 2269US6163501ASynchronous semiconductor memory deviceTOSHIBA KK·Filed 2000·Granted Dec 19, 2000·18 cites·21 claims
- 2368US8000155B2Non-volatile memory device and method for writing data theretoTOSHIBA KK·Filed 2011·Granted Aug 16, 2011·2 cites·11 claims
- 2468US7986557B2Nonvolatile semiconductor memory device and nonvolatile semiconductor memory systemTOSHIBA KK·Filed 2009·Granted Jul 26, 2011·6 cites·14 claims
- 2568US6636445B2Fast cycle ram having improved data write operationTOSHIBA KK·Filed 2000·Granted Oct 21, 2003·12 cites·44 claims
- 2668US5703381ASemiconductor integrated circuitTOSHIBA KK·Filed 1995·Granted Dec 30, 1997·34 cites·11 claims
- 2767US6731559B2Synchronous semiconductor memory deviceTOSHIBA KK·Filed 2002·Granted May 4, 2004·15 cites·21 claims
- 2866US6768691B2Semiconductor integrated circuit and memory systemTOSHIBA KK·Filed 2002·Granted Jul 27, 2004·14 cites·19 claims
- 2966US6522600B2Fast cycle RAM and data readout method thereforTOSHIBA KK·Filed 2002·Granted Feb 18, 2003·11 cites·5 claims
- 3065US7817457B2Non-volatile memory deviceTOSHIBA KK·Filed 2008·Granted Oct 19, 2010·5 cites·11 claims
- 3165US6757214B2Synchronous type semiconductor memory deviceTOSHIBA KK·Filed 2003·Granted Jun 29, 2004·13 cites·19 claims
- 3265US6292430B1Synchronous semiconductor memory deviceTOSHIBA KK·Filed 2000·Granted Sep 18, 2001·12 cites·19 claims
- 3363US5410512ASemiconductor memory deviceTOSHIBA KK·Filed 1993·Granted Apr 25, 1995·23 cites·10 claims
- 3462US6867993B2Semiconductor memory deviceTOSHIBA KK·Filed 2001·Granted Mar 15, 2005·10 cites·16 claims
- 3562US5239509ASemiconductor memory deviceTOSHIBA KK·Filed 1992·Granted Aug 24, 1993·21 cites·3 claims
- 3661US5949090AMOS TEG structureTOSHIBA KK·Filed 1997·Granted Sep 7, 1999·25 cites·5 claims
- 3760US6885606B2Synchronous semiconductor memory device with a plurality of memory banks and method of controlling the sameTOSHIBA KK·Filed 2003·Granted Apr 26, 2005·11 cites·16 claims
- 3860US4984216AOperation mode setting circuit for dramTOSHIBA KK·Filed 1989·Granted Jan 8, 1991·17 cites·17 claims
- 3959US7823105B2Layout data generation equipment of semiconductor integrated circuit, data generation method and manufacturing method of semiconductor deviceTOSHIBA KK·Filed 2007·Granted Oct 26, 2010·2 cites·20 claims
- 4059US5229971ASemiconductor memory deviceTOSHIBA KK·Filed 1990·Granted Jul 20, 1993·21 cites·15 claims
- 4157US6483772B2Semiconductor memory device capable of masking data to be writtenTOSHIBA KK·Filed 2001·Granted Nov 19, 2002·10 cites·20 claims
- 4255US5007028AMultiport memory with improved timing of word line selectionTOSHIBA KK·Filed 1990·Granted Apr 9, 1991·16 cites·18 claims
- 4354US5001529ASemiconductor device having protection circuitTOSHIBA KK·Filed 1990·Granted Mar 19, 1991·17 cites·6 claims
- 4452US4864164AIntegrated circuit with switching noise reduction by feedbackTOSHIBA KK·Filed 1988·Granted Sep 5, 1989·12 cites·10 claims
- 4548US5777946ASemiconductor memory circuit equipped with a column addressing circuit having a shift registerTOSHIBA KK·Filed 1996·Granted Jul 7, 1998·12 cites·17 claims
- 4647US7120078B2Synchronous semiconductor memoryTOSHIBA KK·Filed 2004·Granted Oct 10, 2006·4 cites·13 claims
- 4746US5841730ASemiconductor memory device having synchronous write driver circuitTOSHIBA KK·Filed 1997·Granted Nov 24, 1998·12 cites·15 claims
- 4845US7739634B2Verification equipment of semiconductor integrated circuit, method of verifying semiconductor integrated circuit and process of manufacture of semiconductor deviceTOSHIBA KK·Filed 2007·Granted Jun 15, 2010·0 cites·20 claims
- 4944US4862420AInternal interleaving type semiconductor memory deviceTOSHIBA KK·Filed 1988·Granted Aug 29, 1989·8 cites·5 claims
- 5044US2007206399A1Nonvolatile semiconductor memory deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →