QIAN CHANG

USPTO Trademark & Patent Filings

Qian Chang

Trademark applications and grants for Qian Chang. Qian Chang has 9 trademark applications. The latest application filed is for "RYANZA"

Company Profile
    Company Aliases
  • Qian Chang
  • chang qian
  • Chang; Qian - Beijing CN
  • Qian; Chang - Palo Alto CA
Entity Type INDIVIDUAL
Address No. 68, Suqian Rd, Industrial Park Suzhou, Jiangsu CHINA 215000

*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 ApplicationDate
Searching Media Program Databases
20140040240 - 13/747222 Yang; Ting-hao ;   et al.
2014-02-06
Method and Apparatus for Generating Merged Media Program Metadata
20120209827 - 13/408969 Wang; Zhibing ;   et al.
2012-08-16
METHOD AND APPARATUS FOR SEARCHING MEDIA PROGRAM DATABASES
20120117074 - 13/348405 Yang; Ting-hao ;   et al.
2012-05-10
METHOD AND APPARATUS FOR PROVIDING A PROGRAM GUIDE HAVING SEARCH PARAMETER AWARE THUMBNAILS
20100211584 - 12/389249 Wang; Zhibing ;   et al.
2010-08-19
METHOD AND APPARATUS FOR SEARCHING MEDIA PROGRAM DATABASES
20100185646 - 12/351578 Yang; Ting-hao ;   et al.
2010-07-22
Resonant converter with synchronous rectifier feedback
9,831,772 - 14/644,846 Choi , et al. November 28, 2
2017-11-28
Bleeder method using switch node coupling capacitor for TRIAC dimming of solid state lighting
9,692,316 - 14/330,440 Ryu , et al. June 27, 2
2017-06-27
Searching media program databases
9,477,721 - 13/747,222 Yang , et al. October 25, 2
2016-10-25
Start-up voltage for solid-state lighting controller
9,179,523 - 14/476,992 Ryu , et al. November 3, 2
2015-11-03
Method and apparatus for providing a program guide having search parameter aware thumbnails
8,782,709 - 12/389,249 Wang , et al. July 15, 2
2014-07-15
Patent Grants & Applications

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