Assignee
YAMAGUCHI KOUICHIRO
JP·4 granted patents·10 citations·filing 2010–2011
Top patents by PatentIndex Score
4 records- 0176US8188777B2Charge pump circuit and PLL circuit using the sameYAMAGUCHI KOUICHIRO·Filed 2010·Granted May 29, 2012·6 cites·6 claims
- 0268US8305155B2Phase locked loop circuit with variable voltage sourcesYAMAGUCHI KOUICHIRO·Filed 2010·Granted Nov 6, 2012·4 cites·5 claims
- 0342US8731112B2Tone signal circuit and wireless receiverYAMAGUCHI KOUICHIRO·Filed 2011·Granted May 20, 2014·0 cites·9 claims
- 0432US8334710B2Level conversion circuitYAMAGUCHI KOUICHIRO·Filed 2011·Granted Dec 18, 2012·0 cites·12 claims
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