Inventor · disambiguated record
Yasuaki Sumi
Also filed as: SUMI YASUAKI
11 granted patents·2 pending applications·279 citations·filing 1976–2002
92Inventor score
Top patents by PatentIndex Score
13 records- 0190US4081752ADigital frequency synthesizer receiverSANYO ELECTRIC CO·Filed 1976·Granted Mar 28, 1978·65 cites·39 claims
- 0286US6100767APhase-locked loop with improved trade-off between lock-up time and power dissipationSANYO ELECTRIC CO·Filed 1998·Granted Aug 8, 2000·54 cites·17 claims
- 0386US5729179AVariable Frequency DividerSANYO ELECTRIC CO·Filed 1996·Granted Mar 17, 1998·55 cites·17 claims
- 0480US4088959AMultiple-band digital frequency synthesizer receiverSANYO ELECTRIC CO·Filed 1976·Granted May 9, 1978·34 cites·13 claims
- 0568US6522183B2PLL device and programmable frequency-division deviceSANYO ELECTRIC CO·Filed 2001·Granted Feb 18, 2003·21 cites·4 claims
- 0660US4048570AMultiple-band digital frequency synthesizer receiverSANYO ELECTRIC CO·Filed 1976·Granted Sep 13, 1977·15 cites·13 claims
- 0751US6670855B2PLL device with plural phase comparatorsSANYO ELECTRIC CO·Filed 2002·Granted Dec 30, 2003·7 cites·13 claims
- 0850US6894571B2Phase locked loop circuit with selectable variable frequency dividersTOKYO SANYO ELECTRIC CO·Filed 2002·Granted May 17, 2005·10 cites·17 claims
- 0950US6853222B2Phase locked loop circuit having main and auxiliary frequency dividers and multiple phase comparisonsSANYO ELECTRONIC CO LTD·Filed 2002·Granted Feb 8, 2005·5 cites·13 claims
- 1047US4613799AMotor velocity control circuitSANYO ELECTRIC CO·Filed 1983·Granted Sep 23, 1986·9 cites·11 claims
- 1145US6486741B2Precise phase comparison even with fractional frequency division ratioSANYO ELECTRIC CO·Filed 2001·Granted Nov 26, 2002·4 cites·5 claims
- 1234US2002145457A1PLL device and programmable frequency-division deviceSANYO ELECTRONIC CO LTD·Filed 2002·Application pending·0 cites
- 1328US2002118053A1PLL deviceSANYO ELECTRIC CO·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →