loadpatents
name:-0.011767864227295
name:-0.0085790157318115
name:-0.0011401176452637
Chang; Chih-Chang Patent Filings

Chang; Chih-Chang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Chih-Chang.The latest application filed is for "water separation composite membrane".

Company Profile
0.8.10
  • Chang; Chih-Chang - Taichung TW
  • CHANG; Chih-Chang - Taichung City TW
  • CHANG; CHIH-CHANG - Tu-Cheng TW
  • Chang; Chih-Chang - Taoyuan County TW
  • Chang; Chih-Chang - Jhongli TW
  • CHANG; CHIH-CHANG - Jhongli City TW
  • Chang; Chih-Chang - Hsinchu TW
  • Chang; Chih-Chang - Taoyuan City TW
  • Chang; Chih-Chang - Tucheng City Taipei County 236 TW
  • Chang; Chih-Chang - Taipei Hsien TW
  • Chang; Chih-Chang - Taipei TW
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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
Company Registrations
SEC0001265989CHANG CHIH CHANG

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