Inventor · disambiguated record
Kouichi Kumagai
Also filed as: KUMAGAI KOUICHI
24 granted patents·875 citations·filing 1991–2011
96Inventor score
Top patents by PatentIndex Score
24 records- 0196US6037617ASOI IGFETs having raised integration levelNEC CORP·Filed 1998·Granted Mar 14, 2000·269 cites·10 claims
- 0294US6134154ASemiconductor memory device with several access enabled using single port memory cellNEC CORP·Filed 1999·Granted Oct 17, 2000·134 cites·15 claims
- 0393US6208171B1Semiconductor integrated circuit device with low power consumption and simple manufacturing stepsNEC CORP·Filed 1999·Granted Mar 27, 2001·110 cites·5 claims
- 0492US5998879ASemiconductor memory deviceNEC CORP·Filed 1998·Granted Dec 7, 1999·110 cites·30 claims
- 0585US6208170B1Semiconductor integrated circuit having a sleep mode with low power and small areaNEC CORP·Filed 1999·Granted Mar 27, 2001·63 cites·6 claims
- 0674US6255862B1Latch type sense amplifier circuitNEC CORP·Filed 2000·Granted Jul 3, 2001·22 cites·9 claims
- 0774US6243284B1Multivalued mask read-only memoryNEC CORP·Filed 2000·Granted Jun 5, 2001·22 cites·19 claims
- 0868US6404254B2Latch circuit and semiconductor integrated circuit having the latch circuit with control signal having a large voltage amplitudeNEC CORP·Filed 1998·Granted Jun 11, 2002·23 cites·17 claims
- 0962US6719114B2Clutch outerFCC KK·Filed 2002·Granted Apr 13, 2004·6 cites·1 claims
- 1059US6643840B2Designing method of semiconductor integrated circuit using library storing mask pattern of macro circuit and designing apparatus executing the sameNEC ELECTRONICS CORP·Filed 2001·Granted Nov 4, 2003·7 cites·15 claims
- 1156US6188111B1Dual gate semiconductor device for shortening channel lengthNEC CORP·Filed 1998·Granted Feb 13, 2001·16 cites·3 claims
- 1256US6057568AApplication specific integrated circuit semiconductor device having MOS transistor with reduced gate resistanceNEC CORP·Filed 1996·Granted May 2, 2000·17 cites·22 claims
- 1355US5561388ASemiconductor device having CMOS circuit and bipolar circuit mixedNEC CORP·Filed 1994·Granted Oct 1, 1996·12 cites·13 claims
- 1452US5608240ASemiconductor integrated circuit having at least one asymmetrical CMOS transistorNEC CORP·Filed 1994·Granted Mar 4, 1997·14 cites·4 claims
- 1546US5754068ACMOS logic LSI having a long internal wiring conductor for signal transmissionNEC CORP·Filed 1997·Granted May 19, 1998·10 cites·12 claims
- 1646US5473182ASemiconductor deviceNEC CORP·Filed 1994·Granted Dec 5, 1995·11 cites·10 claims
- 1744US6414357B1Master-slice type semiconductor IC device with different kinds of basic cellsNEC CORP·Filed 2000·Granted Jul 2, 2002·2 cites·5 claims
- 1840US6140161ASemiconductor integrated circuit device and method for making the sameNEC CORP·Filed 1998·Granted Oct 31, 2000·6 cites·25 claims
- 1938US6505717B2Clutch weight for wet centrifugal clutch and process for producing the sameFCC KK·Filed 2001·Granted Jan 14, 2003·1 cites·3 claims
- 2038US5397906AGate array integrated semiconductor device having stabilized power supply potentialsNEC CORP·Filed 1993·Granted Mar 14, 1995·6 cites·15 claims
- 2138US5168341ABipolar-cmos integrated circuit having a structure suitable for high integrationNEC CORP·Filed 1991·Granted Dec 1, 1992·6 cites·19 claims
- 2237US6008510ASilicon on insulator master slice semiconductor integrated circuitNEC CORP·Filed 1997·Granted Dec 28, 1999·5 cites·8 claims
- 2334US6100720ALow dissipation inverter circuitNEC CORP·Filed 1999·Granted Aug 8, 2000·3 cites·8 claims
- 2423US8610141B2Three-dimensional LED substrate and LED lighting deviceTOHYAMA NAOYA·Filed 2011·Granted Dec 17, 2013·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →