Wen, Yuan Chang

USPTO Trademark & Patent Filings

Trademark applications and grants for Wen, Yuan Chang. Wen, Yuan Chang has 1 trademark applications. The latest application filed is for "PORT-A-DESK"

Company Profile

Wen, Yuan Chang
wen yuan chang
Chang; Yuan-Wen - Hsin-Chu TW
Wen; Yuan Chang - Yun Lin Shien TW

Entity Type	INDIVIDUAL
Address	No. 3, Shung-Yi, Ta-Bay Yun Lin TAIWAN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks Patents

Patent Applications

Patent Application	Date
CONTROL CIRCUIT OF A SWITCHED-MODE POWER CONVERTER AND METHOD THEREOF 20120300499 - 13/470354 Chang; Yuan-Wen ; et al.	2012-11-29
POWER CONVERTER WITH CONTROL CIRCUIT AND RELATED CONTROL METHOD 20100124084 - 12/272807 Chang; Yuan-Wen ; et al.	2010-05-20
CONTROL METHOD FOR ADJUSTING LEADING EDGE BLANKING TIME IN POWER CONVERTING SYSTEM 20100026268 - 12/573885 Chang; Yuan-Wen ; et al.	2010-02-04
CONTROL CIRCUIT FOR ADJUSTING LEADING EDGE BLANKING TIME AND POWER CONVERTING SYSTEM USING THE SAME CONTROL CIRCUIT 20090147548 - 11/952144 Chang; Yuan-Wen ; et al.	2009-06-11
SWITCHING-MODE POWER CONVERTER AND PULSE-WIDTH-MODULATION CONTROL CIRCUIT WITH PRIMARY-SIDE FEEDBACK CONTROL 20080259655 - 11/737722 Wei; Da-Chun ; et al.	2008-10-23
Control circuit of a switched-mode power converter and method thereof 9,036,377 - 13/470,354 Chang , et al. May 19, 2	2015-05-19
Control circuit of a switched-mode power converter and method thereof 9,036,377 - 13/470,354 Chang , et al. May 19, 2	2015-05-19
Folding chair D677,921 - D/413,616 Wen March 19, 2	2013-03-19
Folding chair D677,921 - D/413,616 Wen March 19, 2	2013-03-19
Power converter with control circuit and related control method 8,120,931 - 12/272,807 Chang , et al. February 21, 2	2012-02-21

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"PORT-A-DESK" 76550476	PORT-A-DESK 2003-10-10

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