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 : CHAN, IVAN
Total Assignments: 21
Assignment: 1
Reel/Frame:008747/0098   Pages: 4
Recorded: 10/17/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GALLO, ANTHONY B.
Exec Dt:
10/02/1997
2
MOHARY, STEPHEN JOHN
Exec Dt:
10/02/1997
3
CHAN, IVAN
Exec Dt:
10/02/1997
Assignee
1
JOHNSON & JOHNSON CONSUMER PRODUCTS, INC.
GRANDVIEW ROAD
SKILLMAN, NEW JERSEY 08558
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6237787
NONE
08662547
Correspondence name and address
JOHNSON & JOHNSON
AUDLEY A. CIAMPORCERO, JR., ESQ.
CHIEF PATENT COUNSEL
ONE JOHNSON & JOHNSON PLAZA
NEW BRUNSWICK, NJ 08933-7003
Assignment: 2
Reel/Frame:010650/0343   Pages: 6
Recorded: 02/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHAN, IVAN
Exec Dt:
02/23/2000
2
BROWN, RUSSELL W.
Exec Dt:
02/23/2000
3
ALIAHMAD, MEHRAN
Exec Dt:
02/23/2000
Assignee
1
QUANTUM CORPORATION
PATENT DEPARTMENT, BUILDING 6
500 MCCARTHY BOULEVARD
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6724839
NONE
09514572
Correspondence name and address
HENRY J. GROTH
PATENT DEPARTMENT, BUILDING 6
500 MCCARTHY BOULEVARD
MILPITAS, CA 95035
Assignment: 3
Reel/Frame:011136/0582   Pages: 6
Recorded: 08/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BISHOP, ANDREW
Exec Dt:
06/27/2000
2
CHAN, IVAN
Exec Dt:
07/26/2000
3
BROWN, RUSSELL W.
Exec Dt:
07/26/2000
Assignee
1
QUANTUM CORPORATION
PATENT DEPARTMENT, BUILDING 6
500 MCCARTHY BOULEVARD
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7003028
NONE
09650964
Correspondence name and address
QUANTUM CORPORATION
HENRY GROTH
PATENT DEPARTMENT, BUILDING 6
500 MCCARTHY BOULEVARD
MILPITAS, CA 95035
Assignment: 4
Reel/Frame:011183/0884   Pages: 7
Recorded: 09/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, RUSSELL W.
Exec Dt:
09/11/2000
2
KSHONZE, KRISTOPHER
Exec Dt:
09/11/2000
3
CHAN, IVAN
Exec Dt:
09/11/2000
4
ALIAHMED, MEHRAN
Exec Dt:
09/11/2000
Assignee
1
QUANTUM CORPORATION
500 MCCATHY BOULEVARD
PATENT DEPARTMENT, BUILDING 6
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6356218
NONE
09568504
Correspondence name and address
QUANTUM CORPORATION
HENRY GROTH
500 MCCARTHY BOULEVARD
BLDG. 6
MILPITAS, CA 95035
Assignment: 5
Reel/Frame:012517/0738   Pages: 7
Recorded: 01/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, RUSSELL W.
Exec Dt:
09/11/2000
2
CHAN, IVAN
Exec Dt:
09/11/2000
3
KSHONZE, KRISTOPHER
Exec Dt:
09/11/2000
4
ALIAHMAD, MEHRAN
Exec Dt:
09/11/2000
Assignee
1
MAXTOR CORPORATION
2452 CLOVER BASIN DRIVE
LONGMONT, COLORADO 80503
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6642868
NONE
10051137
Correspondence name and address
PILLSBURY WINTHROP LLP
ANTHONY L. MIELE
1600 TYSONS BOULEVARD
MCLEAN, VA 22102
Assignment: 6
Reel/Frame:011743/0015   Pages: 3
Recorded: 04/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GE, SHICHAO
Exec Dt:
04/11/2001
2
HUANG, XI
Exec Dt:
04/11/2001
3
CHAN, IVAN
Exec Dt:
04/11/2001
Assignee
1
COOLLITE INTERNATIONAL HOLDING LIMITED
22/F., DOUBLE BUILDING, 22 STANLEY STREET
CENTRAL HONG KONG, CHINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6515433
NONE
09658070
Correspondence name and address
SKJERVEN MORRILL MACPHERSON LLP
JAMES S HSUE
3 EMBARCADERO CENTER
SUITE 2800
SAN FRANCISCO, CA 94111
Assignment: 7
Reel/Frame:012579/0733   Pages: 5
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARINE, JON C.
Exec Dt:
12/17/2001
2
CHAN, IVAN
Exec Dt:
12/28/2001
3
TSUI, SAM
Exec Dt:
12/28/2001
Assignee
1
MATTEL, INC.
333 CONTINENTAL BOULEVARD
EL SEGUNDO, CALIFORNIA 90245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6623327
US20020077023
09908971
Correspondence name and address
KOLISCH, HARTWELL, DICKINSON, ET AL.
CHARLES H. DEVOE
520 S.W. YAMHILL STEET, SUITE 200
PORTLAND, OR 97204
Assignment: 8
Reel/Frame:014500/0075   Pages: 4
Recorded: 09/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARINE, JON C.
Exec Dt:
12/17/2001
2
CHAN, IVAN
Exec Dt:
12/28/2001
3
TSUI, SAM
Exec Dt:
12/28/2001
Assignee
1
MATTEL, INC.
333 CONTINENTAL BOULEVARD
EL SEGUNDO, CALIFORNIA 90245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7296492
US20040082264
10661310
Correspondence name and address
KOLISCH HARTWELL, P.C.
DAVID E. HALL
520 S.W. YAMHILL STREET
SUITE 200
PORTLAND, OR 97204
Assignment: 9
Reel/Frame:013989/0464   Pages: 5
Recorded: 04/23/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARINE, JON C.
Exec Dt:
03/18/2003
2
TSUI, SAM
Exec Dt:
04/07/2003
3
CHAN, IVAN
Exec Dt:
04/07/2003
Assignee
1
MATTEL, INC.
333 CONTINENTAL BLVD.
EL SEGUNDO, CALIFORNIA 90245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6626731
US20020168918
09855397
Correspondence name and address
KOLISCH HARTWELL, P.C.
CHARLES H. DEVOE
520 S.W. YAMHILL ST., STE. 200
PORTLAND, OR 97204
Assignment: 10
Reel/Frame:017506/0533   Pages: 6
Recorded: 01/25/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALIAHMAD, MEHRAN
Exec Dt:
01/18/2006
2
BROWN, RUSS
Exec Dt:
01/18/2006
3
CHAN, IVAN
Exec Dt:
01/18/2006
4
KSHONZE, KRISTOPHER
Exec Dt:
01/18/2006
Assignee
1
AGERE SYSTEMS INC.
1110 AMERICA PARKWAY NE
ALLENTOWN, PENNSYLVANIA 18109
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7279937
US20070182615
11339008
Correspondence name and address
GARDNER GROFF SANTOS & GREENWALD, P.C.
2018 POWERS FERRY ROAD, SUITE 800
ATLANTA, GA 30339
Assignment: 11
Reel/Frame:026194/0975   Pages: 12
Recorded: 04/28/2011
Attorney Dkt #:L10-0421US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAI, YI
Exec Dt:
04/27/2011
2
CHAN, IVAN
Exec Dt:
04/27/2011
3
FANG, LIMING
Exec Dt:
04/27/2011
4
OLSEN, MAX J.
Exec Dt:
04/28/2011
Assignee
1
LSI CORPORATION
1621 BARBER LANE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8958515
US20120189086
13096454
Correspondence name and address
HITT GAINES, PC LSI CORPORATION
PO BOX 832570
RICHARDSON, TX 75083
Assignment: 12
Reel/Frame:057201/0459   Pages: 10
Recorded: 08/17/2021
Attorney Dkt #:NKT.033C2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
03/18/2020
2
BUREN, LUXUAN GUO
Exec Dt:
03/18/2020
3
GUO, CHAO
Exec Dt:
03/17/2020
4
TOHMÉ, MIRA
Exec Dt:
03/17/2020
5
CHAN, IVAN
Exec Dt:
03/17/2020
6
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
03/17/2020
Assignee
1
NKARTA, INC.
6000 SHORELINE CT, SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11141436
US20210070857
17089578
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 13
Reel/Frame:057445/0459   Pages: 10
Recorded: 09/10/2021
Attorney Dkt #:NKT.033C3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
03/18/2020
2
BUREN, LUXUAN GUO
Exec Dt:
03/18/2020
3
GUO, CHAO
Exec Dt:
03/17/2020
4
TOHMÉ, MIRA
Exec Dt:
03/17/2020
5
CHAN, IVAN
Exec Dt:
03/17/2020
6
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
03/17/2020
Assignee
1
NKARTA, INC.
6000 SHORELINE CT, SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11154575
US20210060073
17089474
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 14
Reel/Frame:057544/0834   Pages: 10
Recorded: 09/21/2021
Attorney Dkt #:NKT.033C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
03/18/2020
2
BUREN, LUXAN GUO
Exec Dt:
03/18/2020
3
GUO, CHAO
Exec Dt:
03/17/2020
4
TOHMÉ, MIRA
Exec Dt:
03/17/2020
5
CHAN, IVAN
Exec Dt:
03/17/2020
6
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
03/17/2020
Assignee
1
NKARTA, INC.
6000 SHORELINE CT, SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11253547
US20210070856
17089449
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 15
Reel/Frame:059641/0984   Pages: 10
Recorded: 04/19/2022
Attorney Dkt #:NKT.033C4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
03/18/2020
2
BUREN, LUXUAN GUO
Exec Dt:
03/18/2020
3
GUO, CHAO
Exec Dt:
03/17/2020
4
TOHMÉ, MIRA
Exec Dt:
03/17/2020
5
CHAN, IVAN
Exec Dt:
03/17/2020
6
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
03/17/2020
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT
SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220233590
17571325
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 16
Reel/Frame:057613/0695   Pages: 9
Recorded: 09/27/2021
Attorney Dkt #:NKT.056A / NKT.056WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
08/16/2021
2
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
09/14/2021
3
CHAN, IVAN
Exec Dt:
08/16/2021
4
GUO, CHAO
Exec Dt:
08/16/2021
5
JAMBORETZ, KATHERINE
Exec Dt:
08/17/2021
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT, SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220002424
17303952
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 17
Reel/Frame:059642/0366   Pages: 9
Recorded: 04/19/2022
Attorney Dkt #:NKT.034NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
04/15/2022
2
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
04/15/2022
3
CHAN, IVAN
Exec Dt:
04/15/2022
4
VOHRA, ANMOL
Exec Dt:
04/15/2022
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT
SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220411754
17628105
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 18
Reel/Frame:062605/0305   Pages: 11
Recorded: 02/06/2023
Attorney Dkt #:NKT.043NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
09/14/2022
2
BUREN, LUXUAN GUO
Exec Dt:
09/14/2022
3
GUO, CHAO
Exec Dt:
09/14/2022
4
LI, GUANGNAN
Exec Dt:
09/14/2022
5
LIU, DAOFENG
Exec Dt:
09/14/2022
6
CHAN, IVAN
Exec Dt:
09/14/2022
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT
SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220233593
17596166
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET, 14TH FLOOR
IRVINE, CA 92614
Assignment: 19
Reel/Frame:064595/0253   Pages: 11
Recorded: 08/15/2023
Attorney Dkt #:NKT.043WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
09/14/2022
2
GUO BUREN, LUXUAN
Exec Dt:
09/14/2022
3
GUO, CHAO
Exec Dt:
09/14/2022
4
LI, GUANGNAN
Exec Dt:
09/14/2022
5
LIU, DAOFENG
Exec Dt:
09/14/2022
6
CHAN, IVAN
Exec Dt:
09/14/2022
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT
SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220233593
17596166
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 20
Reel/Frame:064599/0853   Pages: 12
Recorded: 08/15/2023
Attorney Dkt #:NKT.043NP
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF SECOND INVENTOR BUREN, LUXUAN GUO PREVIOUSLY RECORDED ON REEL 062605 FRAME 0305. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
09/14/2022
2
GUO BUREN, LUXUAN
Exec Dt:
09/14/2022
3
GUO, CHAO
Exec Dt:
09/14/2022
4
LI, GUANGNAN
Exec Dt:
09/14/2022
5
LIU, DAOFENG
Exec Dt:
09/14/2022
6
CHAN, IVAN
Exec Dt:
09/14/2022
Assignee
1
NKARTA, INC.
6000 SHORELINE COURT
SUITE 102
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220233593
17596166
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614
Assignment: 21
Reel/Frame:064665/0900   Pages: 11
Recorded: 08/22/2023
Attorney Dkt #:NKT.086A/NKT.086WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TRAGER, JAMES BARNABY
Exec Dt:
07/31/2023
2
CHAN, IVAN
Exec Dt:
08/08/2023
3
GUO, CHAO
Exec Dt:
07/31/2023
4
GUO BUREN, LUXUAN
Exec Dt:
07/28/2023
5
LAZETIC, ALEXANDRA LEIDA LIANA
Exec Dt:
08/15/2023
6
XIE, MING-HONG
Exec Dt:
07/31/2023
Assignee
1
NKARTA, INC.
1150 VETERANS BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230390392
18179201
Correspondence name and address
KNOBBE, MARTENS, OLSON & BEAR, LLP
2040 MAIN STREET
14TH FLOOR
IRVINE, CA 92614

Search Results as of: 04/28/2024 03:19 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