SPI ELECTRONIC CO., LTD.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0252,221 Protection device for discharge lamp inverterAbandonedApr 13, 07Oct 16, 08[H05B]
2008/0170,422 Power on/off control architecture for power supplyAbandonedJan 12, 07Jul 17, 08[H02M]
2008/0165,554 Control method of power converterAbandonedJan 09, 07Jul 10, 08[H02M]
2008/0111,602 Cycle modulation circuit capable of limiting peak voltageAbandonedNov 15, 06May 15, 08[H03K]
2008/0112,195 Transforming circuit for power supplierAbandonedNov 15, 06May 15, 08[H02M]
2008/0030,925 Power connectorAbandonedAug 03, 06Feb 07, 08[H01G]
2007/0220,285 Power supply apparatus of computer systemAbandonedMar 20, 06Sep 20, 07[G06F]
2007/0198,865 Computer system apparatusAbandonedApr 05, 06Aug 23, 07[G06F]
7168968 Plug adapterExpiredNov 04, 05Jan 30, 07[H01R]
2006/0170,668 Monitor circuit boardAbandonedJan 25, 06Aug 03, 06[G09G]
2005/0136,745 Adaptor DC output plugAbandonedOct 25, 04Jun 23, 05[H01R]

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