Inventor · disambiguated record
Kikuzo Sawada
Also filed as: SAWADA KIKUZO
21 granted patents·4 pending applications·939 citations·filing 1988–2021
96Inventor score
Top patents by PatentIndex Score
25 records- 0198US5412601ANon-volatile semiconductor memory device capable of storing multi-value data in each memory cellNIPPON STEEL CORP·Filed 1993·Granted May 2, 1995·278 cites·21 claims
- 0293US5450354ANon-volatile semiconductor memory device detachable deterioration of memory cellsNIPPON STEEL CORP·Filed 1994·Granted Sep 12, 1995·129 cites·8 claims
- 0392US5450341ANon-volatile semiconductor memory device having memory cells, each for at least three different data writable thereinto selectively and a method of using the sameNIPPON STEEL CORP·Filed 1994·Granted Sep 12, 1995·103 cites·11 claims
- 0485US6603346B2Semiconductor booster circuit having cascaded MOS transistorsNIPPON STEEL CORP·Filed 2002·Granted Aug 5, 2003·38 cites·11 claims
- 0581US5514994ABootstrap circuitNIPPON STEEL CORP·Filed 1995·Granted May 7, 1996·66 cites·16 claims
- 0681US5490110ANon-volatile semiconductor memory device having disturb verify functionNIPPON STEEL CORP·Filed 1994·Granted Feb 6, 1996·50 cites·16 claims
- 0778US9875635B2Proximity detection systemYOSHIKAWA KOGYO KK·Filed 2013·Granted Jan 23, 2018·7 cites·12 claims
- 0875US5151906ASemiconductor memory device having self-correcting functionROHM CO LTD·Filed 1990·Granted Sep 29, 1992·70 cites·33 claims
- 0967US5491656ANon-volatile semiconductor memory device and a method of using the sameNIPPON STEEL CORP·Filed 1994·Granted Feb 13, 1996·27 cites·7 claims
- 1066US8497763B2Data carrier and data carrier systemSAWADA KIKUZO·Filed 2007·Granted Jul 30, 2013·4 cites·6 claims
- 1166US6000843AElectrically alterable nonvolatile semiconductor memoryNIPPON STEEL CORP·Filed 1997·Granted Dec 14, 1999·26 cites·30 claims
- 1265US8109445B2Data carrier and data carrier systemSAWADA KIKUZO·Filed 2007·Granted Feb 7, 2012·4 cites·16 claims
- 1365US4901320ASelf-correcting semiconductor memory device and microcomputer incorporating the sameOKI ELECTRIC IND CO LTD·Filed 1988·Granted Feb 13, 1990·36 cites·23 claims
- 1462US7102422B1Semiconductor booster circuit having cascaded MOS transistorsNIPPON STEEL CORP·Filed 1995·Granted Sep 5, 2006·20 cites·14 claims
- 1562US5592003ANonvolatile semiconductor memory and method of rewriting data theretoNIPPON STEEL CORP·Filed 1995·Granted Jan 7, 1997·23 cites·1 claims
- 1661US7355879B2Semiconductor integrated circuit, operating method thereof, and IC card including the circuitCANON KK·Filed 2004·Granted Apr 8, 2008·7 cites·4 claims
- 1760US5557572ANon-volatile semiconductor memory deviceNIPPON STEEL CORP·Filed 1994·Granted Sep 17, 1996·20 cites·4 claims
- 1860US5550494AVoltage selecting device for receiving a plurality of inputs and selectively outputting one thereofNIPPON STEEL CORP·Filed 1995·Granted Aug 27, 1996·21 cites·3 claims
- 1959US7834753B2Data carrier and data carrier systemYOSHIKAWA RF SYSTEMS CO LTD·Filed 2007·Granted Nov 16, 2010·2 cites·12 claims
- 2053US12440711B2System for confirming hooking state of safety harnessYOSHIKAWA KOGYO KK·Filed 2021·Granted Oct 14, 2025·0 cites·1 claims
- 2146US2010013605A1Data carrier and data carrier systemYOSHIKKAWA RF SYSTEMS CO LTD·Filed 2007·Application pending·0 cites
- 2246US2009314830A1Data carrier and data carrier systemYOSHIKAWA RF SYSTEMS CO LTD·Filed 2007·Application pending·0 cites
- 2344US2006132288A1Method of reading information from RF tag and method of writing information thereinCANON KK·Filed 2005·Application pending·0 cites
- 2441US2006109264A1Driving method of integrated circuitCANON KK·Filed 2004·Application pending·0 cites
- 2540US5408429AMethod of altering a non-volatile semiconductor memory deviceNIPPON STEEL CORP·Filed 1993·Granted Apr 18, 1995·8 cites·18 claims
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