Inventor · disambiguated record
Seigou Yukutake
Also filed as: YUKUTAKE SEIGOU
24 granted patents·2 pending applications·807 citations·filing 1990–2010
97Inventor score
Top patents by PatentIndex Score
26 records- 0198US5834851ASRAM having load transistor formed above driver transistorHITACHI LTD·Filed 1995·Granted Nov 10, 1998·235 cites·24 claims
- 0292US7638904B2Isolated bidirectional DC-DC converterHITACHI LTD·Filed 2005·Granted Dec 29, 2009·40 cites·13 claims
- 0390US6611051B2Semiconductor device and communication terminal using thereofHITACHI LTD·Filed 2001·Granted Aug 26, 2003·49 cites·8 claims
- 0488US7936573B2Bi-directional DC-DC converter and control methodHITACHI LTD·Filed 2010·Granted May 3, 2011·13 cites·14 claims
- 0587US4970575ASemiconductor deviceHITACHI LTD·Filed 1990·Granted Nov 13, 1990·98 cites·11 claims
- 0686US7692935B2Bi-directional DC-DC converter and control methodHITACHI LTD·Filed 2006·Granted Apr 6, 2010·22 cites·14 claims
- 0784US7598605B2Semiconductor device having capacitive insulation means and communication terminal using the deviceHITACHI LTD·Filed 2006·Granted Oct 6, 2009·9 cites·16 claims
- 0881US7091588B2Semiconductor device including primary and secondary side circuits on first and second substrates with capacitive insulationHITACHI LTD·Filed 2004·Granted Aug 15, 2006·22 cites·13 claims
- 0981US5920510ASemiconductor device capable of holding signals independent of the pulse width of an external clock and a computer system including the semiconductor deviceHITACHI LTD·Filed 1997·Granted Jul 6, 1999·47 cites·34 claims
- 1079US5731219AProcess for fabricating a semiconductor integrated circuit deviceHITACHI LTD·Filed 1995·Granted Mar 24, 1998·28 cites·25 claims
- 1173US4962052AMethod for producing semiconductor integrated circuit deviceHITACHI LTD·Filed 1990·Granted Oct 9, 1990·37 cites·17 claims
- 1272US5652457ASemiconductor integrated circuit device and process for fabricating the sameHITACHI LTD·Filed 1994·Granted Jul 29, 1997·20 cites·22 claims
- 1370US6853063B2Semiconductor device and communication terminal using thereofHITACHI LTD·Filed 2003·Granted Feb 8, 2005·12 cites·2 claims
- 1469US7541858B2Integration circuit, decrement circuit, and semiconductor devicesRENESAS TECH CORP·Filed 2005·Granted Jun 2, 2009·5 cites·9 claims
- 1569US6407432B1Semiconductor deviceHITACHI LTD·Filed 1999·Granted Jun 18, 2002·36 cites·10 claims
- 1669US5268587ASemiconductor integrated circuit device including a dielectric breakdown prevention circuitHITACHI LTD·Filed 1991·Granted Dec 7, 1993·29 cites·23 claims
- 1766US5700704AProcess for fabricating a semiconductor integrated circuit deviceHITACHI LTD·Filed 1995·Granted Dec 23, 1997·15 cites·25 claims
- 1863US5656836ASemiconductor integrated circuit device and process for fabricating the sameHITACHI LTD·Filed 1995·Granted Aug 12, 1997·14 cites·33 claims
- 1959US5572480ASemiconductor integrated circuit device and process for fabricating the sameHITACHI LTD·Filed 1995·Granted Nov 5, 1996·25 cites·18 claims
- 2058US6344809B1Line interface circuit and information communication apparatus using itHITACHI LTD·Filed 2000·Granted Feb 5, 2002·5 cites·12 claims
- 2156US5081515ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1990·Granted Jan 14, 1992·25 cites·30 claims
- 2251US5767554ASemiconductor integrated circuit device and process for fabricating the sameHITACHI LTD·Filed 1995·Granted Jun 16, 1998·8 cites·27 claims
- 2351US5646897ALogic gate circuit and parallel bit test circuit for semiconductor memory devices, capable of operation at low power source levelsHITACHI LTD·Filed 1995·Granted Jul 8, 1997·13 cites·19 claims
- 2438US2002153165A1Electric circuit board including glass substrate and method and apparatus trimming thereofFiled 2001·Application pending·0 cites
- 2536US2002117750A1Semiconductor deviceFiled 2001·Application pending·0 cites
- 2630US6476750B1Over-sampling A/D, D/A converterHITACHI LTD·Filed 1999·Granted Nov 5, 2002·0 cites·22 claims
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