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Patent Assignment Assignor Details
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Assignor Name : CHENG, CHUNG-SHENG
Total Assignments: 8
Assignment: 1
Reel/Frame:019728/0779   Pages: 2
Recorded: 08/21/2007
Attorney Dkt #:MR2707-218
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, KUO-PING
Exec Dt:
07/27/2007
2
WANG, KO-CHENG
Exec Dt:
07/27/2007
3
TAI, LIANG-PIN
Exec Dt:
07/27/2007
4
CHENG, CHUNG-SHENG
Exec Dt:
07/27/2007
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7834606
US20080030181
11882485
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 2
Reel/Frame:023176/0838   Pages: 3
Recorded: 09/03/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, CHUNG-SHENG
Exec Dt:
08/24/2009
2
LI, CHUNG-SHU
Exec Dt:
08/18/2009
3
LEE, CHIA-JUNG
Exec Dt:
08/25/2009
4
HUANG, JIAN-RONG
Exec Dt:
08/24/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8358113
US20100033154
12461182
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 3
Reel/Frame:023399/0575   Pages: 2
Recorded: 10/20/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENG, CHUNG-SHENG
Exec Dt:
09/14/2009
2
HUANG, JIAN-RONG
Exec Dt:
10/12/2009
3
LI, CHUNG-SHU
Exec Dt:
09/09/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8159197
US20110057632
12585219
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 4
Reel/Frame:026450/0439   Pages: 2
Recorded: 05/26/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, YU-WEI
Exec Dt:
03/03/2011
2
CHENG, YUAN-HUANG
Exec Dt:
03/04/2011
3
WANG, TING-HUNG
Exec Dt:
03/01/2011
4
LEE, CHIA-JUNG
Exec Dt:
03/01/2011
5
CHENG, CHUNG-SHENG
Exec Dt:
03/01/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION, R.O.C.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8643354
US20120176105
13134035
Correspondence name and address
RANDY N TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 5
Reel/Frame:026444/0088   Pages: 2
Recorded: 06/14/2011
Attorney Dkt #:92,000-197 (RH-1110)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FENG, CHIEH-MIN
Exec Dt:
06/01/2011
2
WANG, TING-HUNG
Exec Dt:
03/03/2011
3
CHENG, CHUNG-SHENG
Exec Dt:
03/04/2011
4
HUANG, JIAN-RONG
Exec Dt:
03/03/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION, R.O.C
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8710815
US20110316518
13160308
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 6
Reel/Frame:028860/0895   Pages: 3
Recorded: 08/28/2012
Attorney Dkt #:6024-0144PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIEN, HUNG-SHOU
Exec Dt:
09/14/2011
2
FU, YI-CHIANG
Exec Dt:
10/19/2011
3
CHENG, CHUNG-SHENG
Exec Dt:
09/14/2011
4
HUANG, REN-CHENG
Exec Dt:
09/14/2011
5
WANG, CHIH-MIN
Exec Dt:
09/14/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F., NO.20, TAIYUAN ST.
ZHUBEI CITY, HSINCHU COUNTY, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8742739
US20130049720
13594130
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 7
Reel/Frame:027887/0757   Pages: 3
Recorded: 03/19/2012
Attorney Dkt #:5442/0126PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NIEN, HUNG-SHOU
Exec Dt:
01/30/2012
2
CHENG, CHUNG-SHENG
Exec Dt:
01/30/2012
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8729955
US20120194258
13359270
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO ROAD
SUITE 310
FAIRFAX, VA 22033
Assignment: 8
Reel/Frame:031021/0305   Pages: 2
Recorded: 08/15/2013
Attorney Dkt #:92,000-380 (RH-1250)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, TUNG-SHENG
Exec Dt:
08/07/2013
2
NIEN, HUNG-SHOU
Exec Dt:
08/07/2013
3
CHANG, YU-WEI
Exec Dt:
08/07/2013
4
CHENG, CHUNG-SHENG
Exec Dt:
08/07/2013
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F. NO. 20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8836298
NONE
13968130
Correspondence name and address
RANDY W TUNG
838 WEST LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MI 48302

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