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Patent Assignment Assignor Details
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Assignor Name : WANG, JO-YU
Total Assignments: 17
Assignment: 1
Reel/Frame:011135/0756   Pages: 3
Recorded: 08/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, HSING-YI
Exec Dt:
07/18/2000
2
WANG, JO-YU
Exec Dt:
07/18/2000
3
CHENG, HSIN-KUANG
Exec Dt:
07/18/2000
4
WANG, JYH-MING
Exec Dt:
07/18/2000
Assignee
1
SILICON INTEGRATED SYSTEMS CORP.
SCIENCE-BASED INDUSTRIAL PARK
NO. 16, CREATION RD. I
HSIN-CHU CITY, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6256262
NONE
09633967
Correspondence name and address
TOWNSEND AND TOWNSEND AND CREW LLP
J. GEORG SEKA
TWO EMBARCADERO CENER, 8TH FLOOR
SAN FRANCISCO, CALIFORNIA 94111-3834
Assignment: 2
Reel/Frame:023207/0765   Pages: 2
Recorded: 09/09/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, AN-TUNG
Exec Dt:
08/24/2009
2
WANG, JO-YU
Exec Dt:
08/21/2009
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8018217
US20100033152
12461213
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 3
Reel/Frame:023996/0815   Pages: 2
Recorded: 02/05/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, AN-TUNG
Exec Dt:
02/02/2010
2
WANG, JO-YU
Exec Dt:
01/20/2010
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
6F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8253407
US20100201336
12658549
Correspondence name and address
RANDY W. TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 4
Reel/Frame:024004/0855   Pages: 2
Recorded: 02/05/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, AN-TUNG
Exec Dt:
02/02/2010
2
WANG, JO-YU
Exec Dt:
01/20/2010
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
6F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8085022
US20100301822
12658571
Correspondence name and address
RANDY W. TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD, SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 5
Reel/Frame:026285/0842   Pages: 2
Recorded: 05/16/2011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, ISAAC Y.
Exec Dt:
04/27/2011
2
WANG, JO-YU
Exec Dt:
04/26/2011
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8904317
US20110267128
13093070
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY MD 21043
Assignment: 6
Reel/Frame:026375/0720   Pages: 3
Recorded: 06/01/2011
Attorney Dkt #:MR2707-421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LU, SHAO-HUNG
Exec Dt:
05/02/2011
2
LIU, JING-MENG
Exec Dt:
04/25/2011
3
WANG, JO-YU
Exec Dt:
05/02/2011
4
CHEN, ISAAC Y.
Exec Dt:
05/02/2011
5
CHEN, AN-TUNG
Exec Dt:
05/10/2011
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY
HSINCHU COUNTY 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8687331
US20110261492
13092282
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY MD 21043
Assignment: 7
Reel/Frame:028776/0665   Pages: 3
Recorded: 08/13/2012
Attorney Dkt #:6024-0133PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, SHIUESHR
Exec Dt:
05/26/2011
2
CHEN, AN-TUNG
Exec Dt:
05/26/2011
3
WANG, JO-YU
Exec Dt:
05/26/2011
4
CHI, JEN-HUNG
Exec Dt:
05/26/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAIYUAN ST.
ZHUBEI CITY, HSINCHU COUNTY, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8773198
US20130038388
13571903
Correspondence name and address
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100E
FALLS CHURCH, VA 22040
Assignment: 8
Reel/Frame:026902/0034   Pages: 4
Recorded: 09/14/2011
Attorney Dkt #:66007-536
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEI-HSU
Exec Dt:
06/30/2011
2
HUANG, PEI-CHENG
Exec Dt:
06/30/2011
3
CHANG, HAO-YU
Exec Dt:
06/30/2011
4
LAI, YEN-SHIN
Exec Dt:
06/30/2011
5
LEE, KUO-CHUNG
Exec Dt:
06/30/2011
6
WANG, JO-YU
Exec Dt:
06/30/2011
7
WU, YU-KUANG
Exec Dt:
06/30/2011
8
CHEN, CHIH-CHANG
Exec Dt:
06/30/2011
9
JIANG, SHIUE-SHR
Exec Dt:
06/30/2011
10
CHI, JEN-HUNG
Exec Dt:
06/30/2011
Assignee
1
RICHTEK TECHNOLOGY CORP
5F., NO.20, TAIYUAN ST., ZHUBEI CITY
HSINCHU COUNTY, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8487571
US20120326647
13232086
Correspondence name and address
WPAT, PC INTELLECTUAL PROPERTY ATTORNEYS
1940 DUKE STREET, SUITE 200
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:027599/0149   Pages: 2
Recorded: 01/03/2012
Attorney Dkt #:92,000-244
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, JO-YU
Exec Dt:
07/28/2011
2
WEN, WEI-JHIH
Exec Dt:
08/15/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION, R.O.C.
6F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8508209
US20130002226
13200162
Correspondence name and address
RANDY W. TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 10
Reel/Frame:027283/0334   Pages: 3
Recorded: 11/28/2011
Attorney Dkt #:5442/0111PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, JO-YU
Exec Dt:
11/04/2011
2
CHEN, ISAAC Y.
Exec Dt:
11/07/2011
Assignee
1
RICHTEK TECHNOLOCY CORP.
5F, NO. 20, TAI-YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8436664
US20120112816
13287828
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO ROAD
SUITE 310
FAIRFAX, VA 22033
Assignment: 11
Reel/Frame:029933/0153   Pages: 2
Recorded: 03/06/2013
Attorney Dkt #:92,000-347 (RH-1219)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEI-HSU
Exec Dt:
03/04/2013
2
WANG, JO-YU
Exec Dt:
03/04/2013
3
CHI, JEN-HUNG
Exec Dt:
03/04/2013
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8994315
US20140252995
13786823
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 12
Reel/Frame:031691/0364   Pages: 2
Recorded: 11/28/2013
Attorney Dkt #:92,000-348 (RH-1220)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, JO-YU
Exec Dt:
11/14/2013
2
CHANG, WEI-HSU
Exec Dt:
11/14/2013
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F. NO.8, TAIYUAN 1ST STREET
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8860483
US20140210534
14093002
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 13
Reel/Frame:033347/0588   Pages: 4
Recorded: 07/19/2014
Attorney Dkt #:RC-1403-007US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEI-HSU
Exec Dt:
07/14/2014
2
WANG, JO-YU
Exec Dt:
07/14/2014
Assignee
1
RICHTEK TECHNOLOGY CORP
14F, NO.8, TAI YUEN 1ST STREET, CHUPEI CITY,
HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150349690
14335877
Correspondence name and address
HDLS IPR SERVICES
P.O. BOX 230970
CENTREVILLE, VA 20120
Assignment: 14
Reel/Frame:045078/0869   Pages: 2
Recorded: 03/01/2018
Attorney Dkt #:92,000-561 (RH-1410)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, JYUN-CHE
Exec Dt:
02/21/2018
2
WANG, JO-YU
Exec Dt:
02/21/2018
3
CHEN, ISAAC Y.
Exec Dt:
02/21/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10177558
US20180375320
15909313
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 15
Reel/Frame:045100/0702   Pages: 3
Recorded: 03/04/2018
Attorney Dkt #:92,000-565 (RH-1414)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, JYUN-CHE
Exec Dt:
02/23/2018
2
CHEN, YU-CHANG
Exec Dt:
02/27/2018
3
WANG, JO-YU
Exec Dt:
02/23/2018
4
LEE, YI-WEI
Exec Dt:
02/23/2018
5
CHEN, ISAAC Y.
Exec Dt:
02/27/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10097092
NONE
15911125
Correspondence name and address
RANDY TUNG
3349 S SHORE CIRCLE
WEST BLOOMFIELD, MI 48304
Assignment: 16
Reel/Frame:046884/0775   Pages: 3
Recorded: 09/15/2018
Attorney Dkt #:92,000-583(RH-1432)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, CHIEN-FU
Exec Dt:
08/30/2018
2
WANG, JO-YU
Exec Dt:
08/30/2018
3
CHEN, ISAAC Y.
Exec Dt:
08/30/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10461652
US20190115844
16132367
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 17
Reel/Frame:053183/0993   Pages: 2
Recorded: 07/12/2020
Attorney Dkt #:92000-654(RH-1497)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, ISAAC Y.
Exec Dt:
11/19/2019
2
TANG, CHIEN-FU
Exec Dt:
11/20/2019
3
WANG, JO-YU
Exec Dt:
11/19/2019
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO. 8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11303218
US20210167691
16926726
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135

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