skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Total Assignments: 2
Patent #:
Issue Dt:
07/09/2013
Application #:
12638809
Filing Dt:
12/15/2009
Publication #:
Pub Dt:
05/26/2011
Inventors:
Jianhua Duan, Qiang Zong, YaJiang Zhu
Title:
POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE POWER SUPPLIES
Assignment: 1
Reel/Frame:
023657/0504Recorded: 12/15/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
12/15/2009
Exec Dt:
12/15/2009
Exec Dt:
12/15/2009
Assignee:
P.O. BOX 309GT UGLAND HOUSE, SOUTH CHURCH STREET
GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS
Correspondent:
TOWNSEND AND TOWNSEND AND CREW LLP
TWO EMBARCADERO CENTER, 8TH FLOOR
SAN FRANCISCO, CA 94111
Assignment: 2
Reel/Frame:
054855/0415Recorded: 12/28/2020Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/01/2020
Assignee:
NO. 1600 ZIXING ROAD, SHANGHAI ZIZHU SCIENCE PARK
SHANGHAI, CHINA 200241
Correspondent:
YINGSHENG TUNG
4949 HEDGCOXE ROAD, SUITE 200
PLANO, TX 75024

Search Results as of: 06/20/2024 09:49 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT