Inventor · disambiguated record
Sachio Nakaigawa
Also filed as: NAKAIGAWA SACHIO
6 granted patents·175 citations·filing 1993–2009
81Inventor score
Top patents by PatentIndex Score
6 records- 0193US6232908B1A/D converter having a dynamic encoderNEC CORP·Filed 1998·Granted May 15, 2001·160 cites·17 claims
- 0254US8225178B2Semiconductor memory deviceNAKAIGAWA SACHIO·Filed 2009·Granted Jul 17, 2012·2 cites·16 claims
- 0333US6346906B1Thermometric-binary code conversion method, conversion circuit therefor and encoder element circuits used thereforNEC CORP·Filed 1999·Granted Feb 12, 2002·5 cites·29 claims
- 0432US6177900B1Circuit for selecting one of divided encoders for analog to digital converterNEC CORP·Filed 1998·Granted Jan 23, 2001·5 cites·4 claims
- 0531US5459411AWired-OR logic circuits each having a constant current sourceNEC CORP·Filed 1993·Granted Oct 17, 1995·3 cites·3 claims
- 0628US6438571B1Adder circuitNEC CORP·Filed 1999·Granted Aug 20, 2002·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →