Inventor · disambiguated record
Sadao Nakayama
Also filed as: NAKAYAMA SADAO
9 granted patents·125 citations·filing 1996–2015
87Inventor score
Files withNEC CORP3NIIGATA POWER SYSTEMS CO LTD2RENESAS ELECTRONICS CORP2NEC ELECTRONICS CORP1NIIGATA ENGINEERING CO LTD1
Top patents by PatentIndex Score
9 records- 0186US6472608B2Semiconductor deviceNEC CORP·Filed 2001·Granted Oct 29, 2002·54 cites·6 claims
- 0278US6958532B1Semiconductor storage deviceNEC ELECTRONICS CORP·Filed 2000·Granted Oct 25, 2005·30 cites·7 claims
- 0361US9159681B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2013·Granted Oct 13, 2015·1 cites·15 claims
- 0457US6209511B1Lean combustion gas engineNIIGATA ENGINEERING CO LTD·Filed 1999·Granted Apr 3, 2001·19 cites·8 claims
- 0550US5838626ANon-volatile memoryNEC CORP·Filed 1997·Granted Nov 17, 1998·13 cites·13 claims
- 0645US9373593B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2015·Granted Jun 21, 2016·0 cites·6 claims
- 0740US7066131B2Cylinder headNIIGATA POWER SYSTEMS CO LTD·Filed 2002·Granted Jun 27, 2006·1 cites·2 claims
- 0838US5808936ANonvolatile memory for trapping electrons in selected cells during a period inversely variable with a write-in voltageNEC CORP·Filed 1996·Granted Sep 15, 1998·7 cites·7 claims
- 0930US7066164B2Engine, engine exhaust temperature controlling apparatus, and controlling methodNIIGATA POWER SYSTEMS CO LTD·Filed 2002·Granted Jun 27, 2006·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →