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Patent Assignment Assignor Details
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Assignor Name : CHANG, KUANG-FU
Total Assignments: 19
Assignment: 1
Reel/Frame:024751/0459   Pages: 2
Recorded: 07/28/2010
Attorney Dkt #:MR2707-354
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
07/04/2010
2
CHEN, YU-MING
Exec Dt:
07/05/2010
3
HUANG, PEI-LUN
Exec Dt:
07/06/2010
Assignee
1
RICHPOWER MICROELECTRONICS CORPORATION
MARQUEE PLACE, SUITE 300, 430 WEST BAY ROAD
P.O. BOX 32052, GRAND CAYMAN KY1-1208
GRAND CAYMAN, BRITISH WEST INDIES, CAYMAN ISLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8390964
US20100320989
12816629
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 2
Reel/Frame:024918/0385   Pages: 2
Recorded: 09/01/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
08/15/2010
2
CHEN, YU-MING
Exec Dt:
08/16/2010
3
HUANG, PEI-LUN
Exec Dt:
08/17/2010
Assignee
1
RICHPOWER MICROELECTRONICS CORPORATION
MARQUEE PLACE, SUITE 300
430 WEST BAY ROAD, P.O. BOX 32052
GRAND CAYMAN KY1-1208, CAYMAN ISLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8533508
US20110022867
12838667
Correspondence name and address
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY, MD 21043
Assignment: 3
Reel/Frame:028515/0757   Pages: 2
Recorded: 07/09/2012
Attorney Dkt #:92,000-232 (RH-1130)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
06/29/2012
2
CHEN, YU-CHANG
Exec Dt:
06/29/2012
Assignee
1
RICHTEK TECHNOLOGY CORPORATION, R.O.C.
5 F, NO. 20, TAI YUEN STREET
HSIN-CHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8811043
US20120274299
13544542
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:035313/0067   Pages: 2
Recorded: 04/01/2015
Attorney Dkt #:92,000-425 (RH-1293)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
03/23/2015
2
LIN, TZU-CHEN
Exec Dt:
03/23/2015
3
CHI, CHIH-WEI
Exec Dt:
03/23/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9627984
US20150288288
14676268
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 5
Reel/Frame:035452/0477   Pages: 2
Recorded: 04/20/2015
Attorney Dkt #:92,000-428 (RH-1295)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
04/02/2015
2
LIN, TZU-CHEN
Exec Dt:
04/02/2015
3
LUO, LI-DI
Exec Dt:
04/04/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9601983
US20150311778
14691446
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:035505/0829   Pages: 2
Recorded: 04/27/2015
Attorney Dkt #:92,000-430 (RH-1297)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, KUN-YU
Exec Dt:
04/10/2015
2
TANG, CHIEN-FU
Exec Dt:
04/14/2015
3
WU, HSIN-YI
Exec Dt:
04/10/2015
4
CHANG, KUANG-FU
Exec Dt:
04/13/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9627982
US20150326129
14697438
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 7
Reel/Frame:035839/0640   Pages: 2
Recorded: 06/15/2015
Attorney Dkt #:92,000-435 (RH-1302)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, CHIEN-FU
Exec Dt:
05/21/2015
2
CHEN, ISAAC Y.
Exec Dt:
05/21/2015
3
CHANG, KUANG-FU
Exec Dt:
05/21/2015
4
WU, HSIN-YI
Exec Dt:
05/21/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9362834
US20150372603
14739894
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 8
Reel/Frame:036763/0296   Pages: 2
Recorded: 10/09/2015
Attorney Dkt #:92,000-452 (RH-1316)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
10/07/2015
2
LIN, TZU-CHEN
Exec Dt:
10/07/2015
3
TANG, CHIEN-FU
Exec Dt:
10/07/2015
Assignee
1
RICHTEKTECHNOLOGY CORPORATION
14F, NO.8, TAIYUAN 1ST STREEET
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9614449
US20160105116
14879175
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:041002/0312   Pages: 4
Recorded: 12/18/2016
Attorney Dkt #:92,000-452 (RH-1316)
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE RECEIVING PARTY PREVIOUSLY RECORDED ON REEL 036763 FRAME 0296. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
CHANG, KUANG-FU
Exec Dt:
10/07/2015
2
LIN, TZU-CHEN
Exec Dt:
10/07/2015
3
TANG, CHIEN-FU
Exec Dt:
10/07/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9614449
US20160105116
14879175
Correspondence name and address
RANDY TUNG
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 10
Reel/Frame:037817/0677   Pages: 2
Recorded: 02/24/2016
Attorney Dkt #:92,000-467 (RH-1329)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
02/17/2016
2
LIN, TZU-CHEN
Exec Dt:
02/15/2016
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAI YUEN 1ST ST.
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10218280
US20160268908
15052444
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 11
Reel/Frame:038569/0797   Pages: 2
Recorded: 05/12/2016
Attorney Dkt #:92,000-484 (RH-1345)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHANG, KUANG-FU
Exec Dt:
03/10/2016
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F, NO.8, TAI YUAN 1ST STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9853554
US20160352232
15153436
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 12
Reel/Frame:039988/0678   Pages: 2
Recorded: 10/11/2016
Attorney Dkt #:92,000-505(RH-1364)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, YU-KAI
Exec Dt:
07/27/2016
2
CHANG, KUANG-FU
Exec Dt:
07/27/2016
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAI YUEN 1ST STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10320304
US20170338746
15290771
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 13
Reel/Frame:045638/0103   Pages: 2
Recorded: 04/25/2018
Attorney Dkt #:92,000-559(RH-1408)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
03/26/2018
2
CHEN, CHIEN-HUNG
Exec Dt:
03/26/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10505461
US20180323717
15963058
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 14
Reel/Frame:049003/0422   Pages: 2
Recorded: 04/26/2019
Attorney Dkt #:92,000-607(RH-1455)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHANG, KUANG-FU
Exec Dt:
10/18/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10686366
US20200014305
16395341
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135
Assignment: 15
Reel/Frame:049363/0512   Pages: 5
Recorded: 06/04/2019
Attorney Dkt #:CRDR-N-Z002.00-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
06/01/2019
2
WANG, YU-CHI
Exec Dt:
06/01/2019
3
CHEN, LENG-CHUN
Exec Dt:
06/01/2019
4
CHEN, JUN-MING
Exec Dt:
06/01/2019
5
SHIH, WEN-PIN
Exec Dt:
06/01/2019
Assignee
1
CARDIO RING TECHNOLOGIES, INC.
2870 ZANKER ROAD, #140
SAN JOSE, CALIFORNIA 95134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10786163
US20190365258
16427585
Correspondence name and address
LEVINE BAGADE HAN LLP
2400 GENG ROAD, SUITE 120
PALO ALTO, CA 94303
Assignment: 16
Reel/Frame:054150/0572   Pages: 5
Recorded: 08/10/2020
Attorney Dkt #:CRDR-N-Z002.01-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
06/01/2019
2
WANG, YU-CHI
Exec Dt:
06/01/2019
3
CHEN, LENG-CHUN
Exec Dt:
06/01/2019
4
CHEN, JUN-MING
Exec Dt:
06/01/2019
5
SHIH, WEN-PIN
Exec Dt:
06/01/2019
Assignee
1
CARDIO RING TECHNOLOGIES, INC.
2880 ZANKER RD. #103
SAN JOSE, CALIFORNIA 95134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210022629
16989613
Correspondence name and address
LEVINE BAGADE HAN LLP
2400 GENG ROAD, SUITE 120
PALO ALTO, CA 94303
Assignment: 17
Reel/Frame:054544/0380   Pages: 5
Recorded: 11/30/2020
Attorney Dkt #:CRDR-N-Z003.00-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
06/01/2019
2
WANG, YU-CHI
Exec Dt:
06/01/2019
3
CHEN, LENG-CHUN
Exec Dt:
06/01/2019
4
CHEN, JUN-MING
Exec Dt:
06/01/2019
5
SHIH, WEN-PIN
Exec Dt:
06/01/2019
Assignee
1
CARDIO RING TECHNOLOGIES, INC.
2880 ZANKER ROAD, #103
SAN JOSE, CALIFORNIA 95134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210093209
17106631
Correspondence name and address
LEVINE BAGADE HAN LLP
2400 GENG ROAD, SUITE 120
PALO ALTO, CA 94303
Assignment: 18
Reel/Frame:058321/0533   Pages: 3
Recorded: 12/06/2021
Attorney Dkt #:CRDR-N-Z006.00-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, KUANG-FU
Exec Dt:
07/31/2020
2
WANG, YU-CHI
Exec Dt:
07/31/2020
3
SHIH, WEN-PIN
Exec Dt:
07/31/2020
Assignee
1
CARDIO RING TECHNOLOGIES, INC.
2880 ZANKER ROAD, #103
SAN JOSE, CALIFORNIA 95134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220096013
17543397
Correspondence name and address
LEVINE BAGADE HAN LLP
2400 GENG ROAD, SUITE 120
PALO ALTO, CA 94303
Assignment: 19
Reel/Frame:063514/0556   Pages: 3
Recorded: 05/03/2023
Attorney Dkt #:96297
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, CHIEH-YU
Exec Dt:
03/22/2023
2
CHANG, KUANG-FU
Exec Dt:
03/22/2023
3
HUANG, LI-WAN
Exec Dt:
03/22/2023
Assignee
1
ICHASE CO., LTD.
6F.-10, NO. 139, SEC. 6, CIVIC BLVD., SONGSHAN DIST.
TAIPEI CITY, TAIWAN 105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230320329
18132471
Correspondence name and address
MARTIN MOYNIHAN D/B/A PRTSI, INC.
CUSTOMER NUMBER 67801
232 NW 42ND TER
PLANTATION, FL 33317

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