Inventor · disambiguated record
Takafumi Esaki
Also filed as: ESAKI TAKAFUMI
7 granted patents·122 citations·filing 1991–2000
85Inventor score
Files withNEC CORP7
Top patents by PatentIndex Score
7 records- 0181US6275553B1Digital PLL circuit and clock generation methodNEC CORP·Filed 1999·Granted Aug 14, 2001·58 cites·10 claims
- 0258US6456217B1Digital/analog converter having delta-sigma type pulse modulation circuitNEC CORP·Filed 2000·Granted Sep 24, 2002·11 cites·4 claims
- 0356US6222400B1Lock-in detecting circuit having variable window for checking phase locked loop and method used thereinNEC CORP·Filed 1999·Granted Apr 24, 2001·20 cites·21 claims
- 0452US6133900AOSD device capable of maintaining the size of displayed OSD data at a constant in a multisync monitor regardless of a frequency of a horizontal synchronous signalNEC CORP·Filed 1997·Granted Oct 17, 2000·18 cites·6 claims
- 0550US6486857B1Deflection correction circuit for narrowing a pull-in range of a VCO to reduce frequency variations in a horizontal synchronizing signalNEC CORP·Filed 2000·Granted Nov 26, 2002·5 cites·8 claims
- 0643US6549198B1Hout position control circuitNEC CORP·Filed 1999·Granted Apr 15, 2003·10 cites·13 claims
- 0727US5181099AComposite video signal generatorNEC CORP·Filed 1991·Granted Jan 19, 1993·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →