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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : TSAI, KUO-CHEN
Total Assignments: 10
Assignment: 1
Reel/Frame:017283/0220   Pages: 2
Recorded: 11/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TSAI, KUO-CHEN
Exec Dt:
11/23/2005
Assignee
1
SILICON TOUCH TECHNOLOGY INC.
4F-3, NO. 9, PROSPERITY 1ST RD.
SCIENCE-BASED INDUSTRIAL PARK
HSINCHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060119289
11290949
Correspondence name and address
WILLIAM E. PELTON
COOPER & DUNHAM LLP
1185 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10036
Assignment: 2
Reel/Frame:017808/0660   Pages: 2
Recorded: 04/24/2006
Attorney Dkt #:1651-0224PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TSAI, KUO-CHEN
Exec Dt:
04/06/2006
Assignee
1
SILICON TOUCH TECHNOLOGY INC.
4F-3, NO. 9. PROSPERITY 1ST RD., SCIENCE-BASED INDUSTRIAL PARK
HSINCHU, TAIWAN ROC
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070034784
11408943
Correspondence name and address
JOE MCKINNEY MUNCY
BIRCH STEWART KOLASCH, ET AL.
8110 GATEHOUSE ROAD, SUITE 100 EAST
FALLS CHURCH, VA 22040-0747
Assignment: 3
Reel/Frame:022578/0285   Pages: 2
Recorded: 04/22/2009
Attorney Dkt #:92,000-140 (RH-1064)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TSAI, KUO-CHEN
Exec Dt:
04/07/2009
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 #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100271738
12427812
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 4
Reel/Frame:024751/0870   Pages: 3
Recorded: 07/28/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HSIEH, WEI-LUN
Exec Dt:
06/22/2010
2
CHU, HUNG-SUNG
Exec Dt:
07/08/2010
3
WANG, DER-JIUNN
Exec Dt:
07/08/2010
4
TSAI, KUO-CHEN
Exec Dt:
07/08/2010
5
WEI, WEI-HSIN
Exec Dt:
07/12/2010
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY HSINCHU 310, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8193853
US20100321099
12816613
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 5
Reel/Frame:026971/0262   Pages: 3
Recorded: 09/25/2011
Attorney Dkt #:829-12
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSAI, KUO-CHEN
Exec Dt:
02/18/2011
2
CHEN, CHIH-HAO
Exec Dt:
02/18/2011
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20 TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120105391
13244525
Correspondence name and address
G. LINK CO., LTD.
2885 SANFORD AVE SW #13265
GRANDVILLE, MI 49418
Assignment: 6
Reel/Frame:026075/0285   Pages: 3
Recorded: 04/05/2011
Attorney Dkt #:829-13
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, DER-JIUNN
Exec Dt:
03/09/2011
2
TSAI, KUO-CHEN
Exec Dt:
03/09/2011
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20 TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8466666
US20120126770
13079919
Correspondence name and address
G. LINK CO., LTD.
2885 SANFORD AVE. SW #13265
GRANDVILLE, MI 49418
Assignment: 7
Reel/Frame:026620/0584   Pages: 2
Recorded: 07/01/2011
Attorney Dkt #:RH-1114 (92,000-214)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSAI, KUO-CHEN
Exec Dt:
06/26/2011
2
WEI, WEI-HSIN
Exec Dt:
06/28/2011
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 #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120139516
13135377
Correspondence name and address
RANDY W. TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 8
Reel/Frame:027685/0155   Pages: 2
Recorded: 02/10/2012
Attorney Dkt #:92,000-280 (RH-1167)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSAI, KUO-CHEN
Exec Dt:
02/02/2012
2
HSIEH, WEI-LUN
Exec Dt:
02/02/2012
3
TSAI, TUNG-HAN
Exec Dt:
02/02/2012
4
HSIAO, MING-JUN
Exec Dt:
02/02/2012
Assignee
1
RICHTEK TECHNOLOGY CORPORATION, R.O.C.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8643993
US20130128395
13370561
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 9
Reel/Frame:028176/0038   Pages: 3
Recorded: 05/08/2012
Attorney Dkt #:92,000-276 (RH-1163)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSO, CHUNG-HSIEN
Exec Dt:
04/30/2012
2
WEI, WEI-HSIN
Exec Dt:
05/02/2012
3
TSAI, KUO-CHEN
Exec Dt:
04/30/2012
4
LIN, SHUI-MU
Exec Dt:
04/30/2012
5
HSU, YU-CHIA
Exec Dt:
04/27/2012
6
WU, WEI-CHUAN
Exec Dt:
04/27/2012
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET
HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130069614
13466791
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:051714/0922   Pages: 2
Recorded: 02/04/2020
Attorney Dkt #:92,000-639(RH-1485)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, WEI-HSU
Exec Dt:
08/08/2019
2
CHUNG, HAO-WEN
Exec Dt:
08/08/2019
3
YEH, CHUNG-HUI
Exec Dt:
08/08/2019
4
TSAI, KUO-CHEN
Exec Dt:
08/08/2019
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11876189
US20200303785
16781453
Correspondence name and address
TUNG & ASSOCIATES
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135

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