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Patent Assignment Assignor Details
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Assignor Name : GUO, JWIN-YEN
Total Assignments: 16
Assignment: 1
Reel/Frame:020807/0549   Pages: 2
Recorded: 04/14/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIAO, CHIA-WEI
Exec Dt:
03/03/2008
2
LIU, JING-MENG
Exec Dt:
03/14/2008
3
GUO, JWIN-YEN
Exec Dt:
03/14/2008
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7839667
US20080211471
12071727
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 2
Reel/Frame:021420/0297   Pages: 2
Recorded: 08/20/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, JWIN-YEN
Exec Dt:
08/15/2008
2
TAI, LIANG-PIN
Exec Dt:
08/15/2008
3
CHANG, SHAO-MING
Exec Dt:
08/15/2008
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090041266
12222396
Correspondence name and address
MORTON J. ROSENBERG, ESQ.
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 3
Reel/Frame:021480/0774   Pages: 2
Recorded: 08/22/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, PEI-CHENG
Exec Dt:
08/01/2008
2
GUO, JWIN-YEN
Exec Dt:
08/20/2008
3
LIU, KUO-CHI
Exec Dt:
08/01/2008
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 #
 
 
 
 
 
 
 
 
 
 
 
8064620
US20090080676
12229369
Correspondence name and address
RANDY W. TUNG
TUNG ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 4
Reel/Frame:021527/0114   Pages: 2
Recorded: 09/12/2008
Attorney Dkt #:mr2707-263
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, TENG-HUNG
Exec Dt:
08/21/2008
2
GUO, JWIN-YEN
Exec Dt:
08/21/2008
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7911267
US20090072897
12230648
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 5
Reel/Frame:021739/0552   Pages: 2
Recorded: 10/27/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, JWIN-YEN
Exec Dt:
09/25/2008
2
SUN, SHAO-MING
Exec Dt:
09/25/2008
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F., NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7741902
US20090174478
12285710
Correspondence name and address
ROSENBERG, KLEIN & LEE
MORTON J. ROSENBERG
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 6
Reel/Frame:022311/0375   Pages: 2
Recorded: 02/25/2009
Attorney Dkt #:mr2707-278
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, TENG-HUNG
Exec Dt:
02/09/2009
2
GUO, JWIN-YEN
Exec Dt:
01/08/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7911268
US20090174472
12318659
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 7
Reel/Frame:022754/0407   Pages: 2
Recorded: 05/29/2009
Attorney Dkt #:MR2707-293
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, JING-MENG
Exec Dt:
05/14/2009
2
GUO, JWIN-YEN
Exec Dt:
05/04/2009
3
SUN, SHAO-MING
Exec Dt:
05/04/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7911273
US20090243722
12382762
Correspondence name and address
MORTON J. ROSENBERG, ESQ.
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MARYLAND 21043
Assignment: 8
Reel/Frame:022754/0424   Pages: 2
Recorded: 05/29/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, JING-MENG
Exec Dt:
05/14/2009
2
GUO, JWIN-YEN
Exec Dt:
05/04/2009
3
SUN, SHAO-MING
Exec Dt:
05/04/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7911273
US20090243722
12382762
Correspondence name and address
MORTON J. ROSENBERG, ESQ.
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MARYLAND 21043
Assignment: 9
Reel/Frame:022986/0161   Pages: 2
Recorded: 07/21/2009
Attorney Dkt #:92,000-178 (RH-1070)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, JWIN-YEN
Exec Dt:
07/15/2009
2
YANG, CHING-HSIANG
Exec Dt:
07/15/2009
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8411879
US20090285416
12507060
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 10
Reel/Frame:023029/0835   Pages: 2
Recorded: 07/21/2009
Attorney Dkt #:rh-1055
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, JWIN-YEN
Exec Dt:
07/15/2009
2
YANG, CHING-HSIANG
Exec Dt:
07/15/2009
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
6F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8159294
US20090279713
12460539
Correspondence name and address
RANDY W. TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 11
Reel/Frame:023715/0145   Pages: 2
Recorded: 12/28/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHUN-TSUNG
Exec Dt:
11/05/2009
2
GUO, JWIN-YEN
Exec Dt:
11/05/2009
3
WANG, CHUNG-FU
Exec Dt:
11/05/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8018280
US20100117731
12591030
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 12
Reel/Frame:023557/0176   Pages: 2
Recorded: 11/23/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, PEI-CHENG
Exec Dt:
11/12/2009
2
GUO, JWIN-YEN
Exec Dt:
11/12/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7944289
US20100079208
12585917
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 13
Reel/Frame:024918/0435   Pages: 2
Recorded: 09/01/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, PEI-CHENG
Exec Dt:
08/19/2010
2
GUO, JWIN-YEN
Exec Dt:
08/25/2010
3
SUN, SHAO-MING
Exec Dt:
08/25/2010
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8115542
US20110043283
12857855
Correspondence name and address
MORTON J. ROSENBERG, ESQ.
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE, SUITE 101
ELLICOTT CITY, MARYLAND 21043
Assignment: 14
Reel/Frame:025303/0315   Pages: 2
Recorded: 11/04/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUO, JWIN-YEN
Exec Dt:
10/20/2010
2
WU, TSUNG-NAN
Exec Dt:
10/20/2010
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8310313
US20110084760
12898962
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY MD 21043
Assignment: 15
Reel/Frame:025394/0319   Pages: 2
Recorded: 12/06/2010
Attorney Dkt #:MR2707-398
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, PEI-CHENG
Exec Dt:
11/09/2010
2
GUO, JWIN-YEN
Exec Dt:
11/09/2010
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8755539
US20110116657
12947148
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY MD 21043
Assignment: 16
Reel/Frame:028247/0608   Pages: 3
Recorded: 05/22/2012
Attorney Dkt #:5442/0135PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEI, WEI-HSIN
Exec Dt:
03/30/2012
2
GUO, JWIN-YEN
Exec Dt:
03/30/2012
3
CHANG, TENG-HUNG
Exec Dt:
03/30/2012
4
HSIAO, MING-JUN
Exec Dt:
03/30/2012
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET, CHUPEI CITY,
HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8487690
US20120249224
13435277
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO RD.
SUITE 310
FAIRFAX, VA 22033

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