loadpatents
Patent applications and USPTO patent grants for Chang; Chih-Chang.The latest application filed is for "water separation composite membrane".
Patent | Date |
---|---|
Water separation composite membrane Grant 9,795,930 - Lai , et al. October 24, 2 | 2017-10-24 |
Water Separation Composite Membrane App 20170113191 - LAI; Yu-Lun ;   et al. | 2017-04-27 |
Water Separation Composite Membrane App 20170113190 - LAI; Yu-Lun ;   et al. | 2017-04-27 |
Power Switch Sysyem And Electronic Device Using The Same App 20170031401 - CHANG; CHIH-CHANG | 2017-02-02 |
Power supply system Grant 8,536,732 - Lee , et al. September 17, 2 | 2013-09-17 |
Power supply device with low standby power consumption Grant 8,242,628 - Ger , et al. August 14, 2 | 2012-08-14 |
Power Supply System App 20120049624 - LEE; CHI-HSIUNG ;   et al. | 2012-03-01 |
Inverter circuit Grant 8,072,151 - Chang , et al. December 6, 2 | 2011-12-06 |
Multi-lamp Driving Circuit App 20100181927 - LEE; CHI-HSIUNG ;   et al. | 2010-07-22 |
Power Device App 20100123351 - GER; CHIH-CHAN ;   et al. | 2010-05-20 |
Inverter Circuit App 20090046488 - CHANG; CHIH-CHANG ;   et al. | 2009-02-19 |
Pen for touch pad of a laptop App 20080266267 - Chang; Chih-Chang | 2008-10-30 |
Vane conducting device with graphic and textual display Grant 7,425,116 - Chang September 16, 2 | 2008-09-16 |
Device for driving light source module Grant 7,391,170 - Ger , et al. June 24, 2 | 2008-06-24 |
Device For Driving Light Source Module App 20070252533 - GER; CHIH-CHAN ;   et al. | 2007-11-01 |
Vane conducting device with graphic and textual display App 20070041828 - Chang; Chih-Chang | 2007-02-22 |
Hair dryer Grant 5,996,243 - Chang , et al. December 7, 1 | 1999-12-07 |
SEC | 0001265989 | CHANG CHIH CHANG |
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