Assignee
SPI ELECTRONIC CO LTD
TW·8 granted patents·10 pending applications·115 citations·filing 2004–2007
Top patents by PatentIndex Score
18 records- 0190US7168968B1Plug adapterSPI ELECTRONIC CO LTD·Filed 2005·Granted Jan 30, 2007·40 cites·5 claims
- 0289US7310247B1Method for controlling transformer excitation cycles and circuit for controlling the sameSPI ELECTRONIC CO LTD·Filed 2006·Granted Dec 18, 2007·21 cites·10 claims
- 0376US7499294B2Self-excitation synchronous rectification driverSPI ELECTRONIC CO LTD·Filed 2007·Granted Mar 3, 2009·13 cites·10 claims
- 0476US7268658B1Transformer having leakage inductance control structureSPI ELECTRONIC CO LTD·Filed 2006·Granted Sep 11, 2007·12 cites·12 claims
- 0575US7633777B2Active peak voltage-limiting clamp circuitSPI ELECTRONIC CO LTD·Filed 2007·Granted Dec 15, 2009·13 cites·9 claims
- 0671US7508185B2Simple zero current switch circuitSPI ELECTRONIC CO LTD·Filed 2006·Granted Mar 24, 2009·10 cites·6 claims
- 0762US7375995B1Power factor correction circuitSPI ELECTRONIC CO LTD·Filed 2007·Granted May 20, 2008·6 cites·8 claims
- 0845US2008252221A1Protection device for discharge lamp inverterSPI ELECTRONIC CO LTD·Filed 2007·Application pending·0 cites
- 0944US2007198865A1Computer system apparatusSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1044US2007220285A1Power supply apparatus of computer systemSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1140US2008165554A1Control method of power converterSPI ELECTRONIC CO LTD·Filed 2007·Application pending·0 cites
- 1240US2006170668A1Monitor circuit boardSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1338US7538592B2Pulse controller with dual latchesSPI ELECTRONIC CO LTD·Filed 2006·Granted May 26, 2009·0 cites·8 claims
- 1437US2008111602A1Cycle modulation circuit capable of limiting peak voltageSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1537US2005136745A1Adaptor DC output plugSPI ELECTRONIC CO LTD·Filed 2004·Application pending·0 cites
- 1631US2008112195A1Transforming circuit for power supplierSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1730US2008030925A1Power connectorSPI ELECTRONIC CO LTD·Filed 2006·Application pending·0 cites
- 1829US2008170422A1Power on/off control architecture for power supplySPI ELECTRONIC CO LTD·Filed 2007·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →