skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : HO, CHANG-YU
Total Assignments: 20
Assignment: 1
Reel/Frame:008309/0286   Pages: 2
Recorded: 11/04/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAI, CHANG-KUO
Exec Dt:
10/16/1996
2
HO, CHANG-YU
Exec Dt:
10/16/1996
3
KE, JIA-CHENG
Exec Dt:
10/16/1996
Assignee
1
INDUSTRIAL TECHNOLOGY RESEARCH
NO. 195, SEC. 4, CHUNG HSING RD., CHUTUNG TOWN
HSINCHU HSIEN, TAIWAN R.O.C
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5744926
NONE
08743285
Correspondence name and address
LAW OFFICE OF LIAUH AND ASSOCIATES
W. WAYNE LIAUH
4224 WAIALAE AVE., SUITE 5-388
HONOLULU, HI 96816
Assignment: 2
Reel/Frame:009928/0231   Pages: 2
Recorded: 04/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAI, CHEN-KUO
Exec Dt:
04/07/1999
2
CHEN, WEN-CHUAN
Exec Dt:
04/07/1999
3
CHEN, YING-MIN
Exec Dt:
04/07/1999
4
HO, CHANG-YU
Exec Dt:
04/07/1999
Assignee
1
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
NO-195, SEC 4, CHUNG HSING ROAD, CHUTUNG TOWN
HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6191543
NONE
09301213
Correspondence name and address
RAYMOND SUN
12420 WOODHALL WAY
TUSTIN CA 92782
Assignment: 3
Reel/Frame:009998/0414   Pages: 2
Recorded: 05/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAI, CHEN-KUO
Exec Dt:
04/26/1999
2
CHEN, WEN-CHUAN
Exec Dt:
04/26/1999
3
CHEN, YING-MIN
Exec Dt:
04/26/1999
4
HO, CHANG-YU
Exec Dt:
04/26/1999
Assignee
1
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
NO. 195, SEC. 4, CHUNG HSING ROAD
CHUTUNG TOWN, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6460092
NONE
09320243
Correspondence name and address
RAYMOND SUN
12420 WOODHALL WAY
TUSTIN, CA 92782
Assignment: 4
Reel/Frame:018950/0883   Pages: 3
Recorded: 02/05/2007
Attorney Dkt #:BHT-3167
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
02/08/2006
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F-3, NO. 30, TAI YUAN STREET, CHU PEI
HSINCHU HSIEN, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070247118
11702199
Correspondence name and address
TROXELL LAW OFFICE PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VIRGINIA 22041-3401
Assignment: 5
Reel/Frame:018254/0272   Pages: 3
Recorded: 08/30/2006
Attorney Dkt #:BHT-3167-391
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, CHANG-YU
Exec Dt:
07/25/2006
2
TSAI, YUNG-MING
Exec Dt:
07/25/2006
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F-3, NO. 30, TAI YUAN STREET, CHU PEI
HSINCHU HSIEN, TAIWAN R.O.C.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070192645
11512433
Correspondence name and address
TROXELL LAW OFFICE PLLC
5205 LEESBURG PIKE
SUITE 1404
FALLS CHURCH, VA 22041-3401
Assignment: 6
Reel/Frame:019037/0857   Pages: 3
Recorded: 03/02/2007
Attorney Dkt #:4443-0362PUS1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, CHANG-YU
Exec Dt:
02/09/2007
2
HUANG, WEN-JIN
Exec Dt:
02/09/2007
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F-3, NO. 30, TAI YUAN STREET, CHU-PEI
HSINCHU HSIEN, TAIWAN ROC
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080211509
11713055
Correspondence name and address
JOE MCKINNEY MUNCY
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD, SUITE 100 EAST
P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 7
Reel/Frame:019916/0638   Pages: 3
Recorded: 10/03/2007
Attorney Dkt #:TW-ICA-0655
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, CHANG-YU
Exec Dt:
05/08/2007
2
HSU, HUNG-AN
Exec Dt:
05/08/2007
3
YANG, SEI-CHING
Exec Dt:
05/09/2007
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F-3, NO. 30, TAI-YUAN STREET, ZHU-BEI CITY
HSINCHU COUNTY, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7786695
US20080197809
11866816
Correspondence name and address
MING CHOW
528 FALLSGROVE DR.
ROCKVILLE, MD 20850
Assignment: 8
Reel/Frame:020967/0336   Pages: 3
Recorded: 05/09/2008
Attorney Dkt #:4443-0450pus1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
05/05/2008
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F, NO. 32, TAI YUEN STREET
CHU-PEI CITY, HSIN-CHU HSIEN, TAIWAN ROC 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7847519
US20090278501
12149907
Correspondence name and address
PAUL C. LEWIS
BIRCH, STEWART, KOLASCH & BIRCH, LLP
8110 GATEHOUSE ROAD
SUITE 100 EAST, P.O. BOX 747
FALLS CHURCH, VA 22040-0747
Assignment: 9
Reel/Frame:024811/0492   Pages: 5
Recorded: 08/10/2010
Attorney Dkt #:251430-1020
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
07/21/2010
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F, NO. 32, TAI-YUEN STREET
CHU-PEI
HSIN-CHU HSIEN, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8482254
US20110037475
12853333
Correspondence name and address
DANIEL R. MCCLURE
600 GALLERIA PARKWAY
SUITE 1500
ATLANTA, GA 30339
Assignment: 10
Reel/Frame:025750/0240   Pages: 4
Recorded: 02/07/2011
Attorney Dkt #:251430-1030
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
01/28/2011
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F, NO. 32, TAI-YUEN STREET
CHU-PEI, HSIN-CHU HSIEN, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8450973
US20110193527
13021089
Correspondence name and address
DANIEL R. MCCLURE
600 GALLERIA PARKWAY
SUITE 1500
ATLANTA, GA 30339
Assignment: 11
Reel/Frame:027168/0747   Pages: 4
Recorded: 11/03/2011
Attorney Dkt #:251430-1040
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
10/06/2011
Assignee
1
NEOTEC SEMICONDUCTOR LTD.
4F, NO. 32, TAI-YUEN STREET
CHU-PEI, HSIN-CHU HSIEN, TAIWAN 302
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120112688
13288188
Correspondence name and address
DANIEL R. MCCLURE
400 INTERSTATE NORTH PKWY SE
SUITE 1500
ATLANTA, GA 30339
Assignment: 12
Reel/Frame:034925/0338   Pages: 2
Recorded: 02/10/2015
Attorney Dkt #:425781-600010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
02/03/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F, NO. 8, TAI YUEN 1ST STREET
CHUPEI CITY
HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160018468
14617982
Correspondence name and address
JONES DAY
222 EAST 41ST STREET
NEW YORK, NY 10017
Assignment: 13
Reel/Frame:036079/0881   Pages: 2
Recorded: 07/14/2015
Attorney Dkt #:92,000-447 (RH-1313)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
07/10/2015
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160018469
14798862
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
838 W. LONG LAKE RD.
SUITE 120
BLOOMFIELD HILLS, MI 48302
Assignment: 14
Reel/Frame:043303/0213   Pages: 2
Recorded: 08/16/2017
Attorney Dkt #:92000-447CIP(RH-1313CIP)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HO, CHANG-YU
Exec Dt:
08/15/2017
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST STREET
ZHUBEI CITY,HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10823785
US20170343610
15678108
Correspondence name and address
RANDY TUNG
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48304
Assignment: 15
Reel/Frame:043771/0470   Pages: 2
Recorded: 10/03/2017
Attorney Dkt #:92,000-528(RH-1385)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANG, CHAO-SHIUN
Exec Dt:
09/26/2017
2
HO, CHANG-YU
Exec Dt:
09/26/2017
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAI YUEN 1ST STREET
CHUPEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180143153
15724076
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 16
Reel/Frame:045385/0981   Pages: 14
Recorded: 03/29/2018
Attorney Dkt #:0750007.U
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, JUNG-TANG
Exec Dt:
03/26/2018
2
LEE, KUAN-TING
Exec Dt:
03/27/2018
3
HO, CHANG-YU
Exec Dt:
03/27/2018
4
QIAN, DAHONG
Exec Dt:
03/23/2018
Assignees
1
RICHHEALTH TECHNOLOGY CORPORATION
2F.-10, NO. 8, TAIYUAN 1ST STREET, HSINCHU COUNTY
ZHUBEI CITY, TAIWAN 302
2
RICHTEK TECHNOLOGY CORPORATION
14F, NO. 8, TAI YUEN 1ST STREET, HSINCHU COUNTY
CHUPEI CITY, TAIWAN 30288
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11278217
US20180279929
15939772
Correspondence name and address
PARKER IBRAHIM & BERG LLP
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 17
Reel/Frame:046493/0509   Pages: 2
Recorded: 07/28/2018
Attorney Dkt #:92,000-581 (RH-1430)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, KUO-CHI
Exec Dt:
07/23/2018
2
HO, CHANG-YU
Exec Dt:
07/25/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11139670
US20190052110
16046979
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
3349 SOUTH SHORE CIRCLE
WEST BLOOMFIELD, MI 48323
Assignment: 18
Reel/Frame:048388/0463   Pages: 2
Recorded: 02/20/2019
Attorney Dkt #:92,000-608(RH-1456)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, KUO-CHI
Exec Dt:
10/18/2018
2
HO, CHANG-YU
Exec Dt:
10/19/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10642301
US20190317540
16280941
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135
Assignment: 19
Reel/Frame:048787/0582   Pages: 2
Recorded: 04/03/2019
Attorney Dkt #:92,000-599(RH-1447)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, KUO-CHI
Exec Dt:
12/10/2018
2
HO, CHANG-YU
Exec Dt:
12/10/2018
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F, NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11382177
US20200045773
16374688
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135
Assignment: 20
Reel/Frame:049205/0527   Pages: 2
Recorded: 05/17/2019
Attorney Dkt #:92,000-619(RH-1467)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIU, KUO-CHI
Exec Dt:
03/06/2019
2
HO, CHANG-YU
Exec Dt:
03/06/2019
Assignee
1
RICHTEK TECHNOLOGY CORPORATION
14F., NO.8, TAIYUAN 1ST ST.
ZHUBEI CITY, HSINCHU, TAIWAN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10819209
US20190386556
16414811
Correspondence name and address
TUNG & ASSOCIATES / RANDY W. TUNG, ESQ.
7010 MIDDLEBELT ROAD
GARDEN CITY, MI 48135

Search Results as of: 05/10/2024 03:41 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT