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Patent Assignment Assignor Details
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Assignor Name : TSENG, PEI-KAI
Total Assignments: 9
Assignment: 1
Reel/Frame:025314/0565   Pages: 2
Recorded: 11/10/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, CHIEN FU
Exec Dt:
10/20/2010
2
CHEN, ISAAC Y.
Exec Dt:
10/20/2010
3
TSENG, PEI-KAI
Exec Dt:
10/19/2010
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSIN-CHU, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8508203
US20110298436
12927280
Correspondence name and address
RANDY W TUNG
TUNG & ASSOCIATES
838 W. LONG LAKE ROAD
SUITE 120
BLOOMFIELD HILLS, MICHIGAN 48302
Assignment: 2
Reel/Frame:028018/0945   Pages: 3
Recorded: 04/10/2012
Attorney Dkt #:5442/0132PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
03/06/2012
2
TANG, CHIEN-FU
Exec Dt:
03/06/2012
3
LI, KUANG-FENG
Exec Dt:
03/06/2012
4
CHEN, ISAAC Y
Exec Dt:
03/06/2012
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F. NO.20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8723552
US20120229165
13413325
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO ROAD
SUITE 310
FAIRFAX, VA 22033
Assignment: 3
Reel/Frame:028743/0797   Pages: 2
Recorded: 08/07/2012
Attorney Dkt #:92,000-296 (RH-1178)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
08/07/2012
2
TANG, CHIEN-FU
Exec Dt:
08/07/2012
3
CHEN, ISSAC Y.
Exec Dt:
08/07/2012
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
5F, NO. 20, TAI YUEN STREET
HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140042515
13569085
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:029471/0605   Pages: 4
Recorded: 12/14/2012
Attorney Dkt #:5442/0190PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
11/19/2012
2
TANG, CHIEN-FU
Exec Dt:
11/20/2012
3
CHEN, ISAAC Y.
Exec Dt:
11/20/2012
4
HO, JYUN-CHE
Exec Dt:
11/19/2012
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET,
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8723560
US20130106466
13665631
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO RD.
SUITE 310
FAIRFAX, VA 22033
Assignment: 5
Reel/Frame:029856/0408   Pages: 4
Recorded: 02/22/2013
Attorney Dkt #:5442/0208PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
01/04/2013
2
HO, JYUN-CHE
Exec Dt:
01/04/2013
3
TANG, CHIEN-FU
Exec Dt:
01/17/2013
4
CHEN, ISAAC Y.
Exec Dt:
01/17/2013
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130176758
13735652
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO ROAD
SUITE 310
FAIRFAX, VA 22033
Assignment: 6
Reel/Frame:030702/0301   Pages: 4
Recorded: 06/27/2013
Attorney Dkt #:5442/0219PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
02/08/2013
2
TANG, CHIEN-FU
Exec Dt:
03/08/2013
3
CHEN, ISAAC Y.
Exec Dt:
03/05/2013
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
CHUPEI CITY, HSINCHU, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8779806
US20130207704
13761825
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO RD., SUITE 310
FAIRFAX, VA 22033
Assignment: 7
Reel/Frame:030097/0371   Pages: 4
Recorded: 03/27/2013
Attorney Dkt #:5442/0222PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
03/03/2013
2
TANG, CHIEN-FU
Exec Dt:
03/05/2013
3
CHEN, ISAAC Y.
Exec Dt:
03/05/2013
Assignee
1
RICHTEK TECHNOLOGY CORP.
5F, NO. 20, TAI YUEN STREET
HSINCHU
CHUPEI CITY, TAIWAN 310
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130229207
13778865
Correspondence name and address
MUNCY, GEISSLER, OLDS & LOWE, PLLC
4000 LEGATO ROAD, SUITE 310
FAIRFAX, VA 22033
Assignment: 8
Reel/Frame:046543/0334   Pages: 5
Recorded: 08/02/2018
Attorney Dkt #:FORM/0158US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
07/31/2018
2
CHEN, LI-CHIEH
Exec Dt:
07/31/2018
3
HUNG, CHIH-JEN
Exec Dt:
07/31/2018
Assignee
1
DAZZO TECHNOLOGY CORPORATION
7F., NO. 18, JIHU RD.
TAIPEI, TAIWAN 11492
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10277121
US20190044437
16052204
Correspondence name and address
PATTERSON & SHERIDAN, LLP
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 9
Reel/Frame:048923/0759   Pages: 5
Recorded: 04/18/2019
Attorney Dkt #:251826-1710
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TSENG, PEI-KAI
Exec Dt:
04/10/2019
2
LO, CHEN-PIN
Exec Dt:
04/10/2019
3
LIN, SHEN-XIANG
Exec Dt:
04/10/2019
4
HUNG, CHIH-JEN
Exec Dt:
04/10/2019
Assignee
1
RAYDIUM SEMICONDUCTOR CORPORATION
2F, NO. 23, LI-HSIN RD.
HSINCHU SCIENCE PARK
HSINCHU, TAIWAN 300
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10720834
US20190334435
16387762
Correspondence name and address
MCCLURE, QUALEY & RODACK, LLP
280 INTERSTATE NORTH CIRCLE SE
SUITE 550
ATLANTA, GA 30339

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