Assignee
SEIKO NPC CORP
JP·6 granted patents·1 pending application·39 citations·filing 2004–2023
Top patents by PatentIndex Score
7 records- 0170US7397883B2Spread spectrum type clock generation circuit for improving frequency modulation efficiencySEIKO NPC CORP·Filed 2005·Granted Jul 8, 2008·7 cites·6 claims
- 0268US7271619B2Charge pump circuit reducing noise and charge error and PLL circuit using the sameSEIKO NPC CORP·Filed 2005·Granted Sep 18, 2007·9 cites·7 claims
- 0368US7176432B2Image detection processor and image detection processing methodSEIKO NPC CORP·Filed 2004·Granted Feb 13, 2007·13 cites·3 claims
- 0458US2024038747A1Optical device and method of manufacturing optical deviceSEIKO NPC CORP·Filed 2023·Application pending·0 cites
- 0546US7161419B2Sensor device and a signal amplification device of a small detection signal provided by the sensorSEIKO NPC CORP·Filed 2004·Granted Jan 9, 2007·6 cites·23 claims
- 0643US7091797B2MOS-type variable capacitance element and voltage control oscillation circuitSEIKO NPC CORP·Filed 2004·Granted Aug 15, 2006·4 cites·13 claims
- 0734US7129776B2Bias voltage generator circuitSEIKO NPC CORP·Filed 2004·Granted Oct 31, 2006·0 cites·6 claims
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