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Patent Assignment Assignor Details
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Assignor Name : YU, DULI
Total Assignments: 9
Assignment: 1
Reel/Frame:010379/0524   Pages: 8
Recorded: 11/15/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, DULI
Exec Dt:
10/05/1999
2
YU, LIANZHONG
Exec Dt:
10/05/1999
3
SCHMIDT, MARTIN A.
Exec Dt:
10/27/1999
4
GOLDBERG, HOWARD D.
Exec Dt:
10/05/1999
5
RIED, ROBERT P.
Exec Dt:
10/05/1999
Assignee
1
INPUT/OUTPUT, INC.
11104 WEST AIRPORT BLVD., SUITE 200
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6315423
NONE
09352835
Correspondence name and address
HAYNESS AND BOONE, LLP
TODD MATTINGLY
1000 LOUISIANA
SUITE 4300
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:010490/0491   Pages: 5
Recorded: 01/18/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, LIANZHONG
Exec Dt:
10/05/1999
2
GOLDBERG, HOWARD D.
Exec Dt:
10/05/1999
3
YU, DULI
Exec Dt:
10/05/1999
Assignee
1
INPUT/OUTPUT, INC.
SUITE 200
11104 WEST AIRPORT BLVD.
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6458513
NONE
09406158
Correspondence name and address
HAYNES AND BOONE, L.L.P.
TODD MATTINGLY
1000 LOUISIANA, SUITE 4300
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:011106/0295   Pages: 7
Recorded: 09/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, LIANZHONG
Exec Dt:
10/05/1999
2
RIED, ROBERT P.
Exec Dt:
10/05/1999
3
GOLDBERG, HOWARD D.
Exec Dt:
10/05/1999
4
YU, DULI
Exec Dt:
10/05/1999
Assignee
1
INPUT/OUTPUT, INC.
12300 CHARLES E. SELECMAN DRIVE
SUITE 200
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6617098
NONE
09352025
Correspondence name and address
TODD A. BYNUM
SUITE 700
2603 AUGUSTA
HOUSTON, TX 77057-5640
Assignment: 4
Reel/Frame:012136/0837   Pages: 6
Recorded: 09/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, DULI
Exec Dt:
07/12/2001
2
YU, LIANZHONG
Exec Dt:
07/18/2001
3
GOLDBERG, HOWARD
Exec Dt:
07/12/2001
4
SCHMIDT, MARTY
Exec Dt:
07/23/2001
Assignee
1
INPUT/OUTPUT, INC.
12300 CHARLES E. SELECMAN DR.
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6454421
US20020012180
09873054
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5640
Assignment: 5
Reel/Frame:012591/0773   Pages: 6
Recorded: 01/31/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SELVAKUMAR, ARJUN
Exec Dt:
09/27/2001
2
YU, DULI
Exec Dt:
09/25/2001
3
YU, LIANZHONG
Exec Dt:
10/03/2001
4
JONES, BEN W.
Exec Dt:
10/04/2001
Assignee
1
INPUT/OUTPUT, INC.
12300 CHARLES E. SELECMAN, DR.
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6805008
US20020178817
09886320
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA DRIVE, SUITE 700
HOUSTON, TX 77057-5640
Assignment: 6
Reel/Frame:012613/0188   Pages: 7
Recorded: 02/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SELVAKUMAR, ARJUN
Exec Dt:
11/14/2001
2
MARSH, JAMES L.
Exec Dt:
11/14/2001
3
GOLDBERG, HOWARD D.
Exec Dt:
11/12/2001
4
YU, DULI
Exec Dt:
11/27/2001
5
STALNAKER, W. MARC
Exec Dt:
11/12/2001
Assignee
1
INPUT/OUTPUT, INC.
SUITE 200
12300 CHARLES E. SELECMAN DRIVE
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6861587
NONE
09914421
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:012878/0352   Pages: 10
Recorded: 05/06/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SELVAKUMAR, ARJUN
Exec Dt:
11/16/2001
2
GOLDBERG, HOWARD D.
Exec Dt:
11/26/2001
3
YU, DULI
Exec Dt:
11/27/2001
4
IP, MATTHEW
Exec Dt:
12/07/2001
5
SCHMIDT, MARTIN A.
Exec Dt:
02/23/2002
6
MARSH, JAMES L.
Exec Dt:
11/29/2001
7
FUNG, BING-FAI
Exec Dt:
11/21/2001
8
SIMON, PHILIP
Exec Dt:
11/19/2001
Assignee
1
INPUT/OUTPUT, INC.
SUITE 200
12300 CHARLES E. SELECMAN DRIVE
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6871544
NONE
09936640
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057
Assignment: 8
Reel/Frame:012981/0745   Pages: 22
Recorded: 06/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUSHEFSKY, LARRY
Exec Dt:
03/12/2002
2
GOLDBERG, HOWARD D.
Exec Dt:
11/26/2001
3
STALNAKER, W. MARC
Exec Dt:
11/26/2001
4
RINNE, RAY
Exec Dt:
02/09/2002
5
BALDERES, DEMETRIOS
Exec Dt:
03/09/2002
6
LEMKE, GUIDO
Exec Dt:
02/25/2002
7
IP, MATTHEW
Exec Dt:
02/20/2002
8
BEHN, LAWRENCE P.
Exec Dt:
01/24/2002
9
DOMAGALSKI, KLAUS
Exec Dt:
12/07/2001
10
YU, LIANZHONG
Exec Dt:
02/25/2002
11
SELVAKUMAR, ARJUN
Exec Dt:
11/20/2001
12
YU, DULI
Exec Dt:
11/27/2001
13
MARSH, JAMES L.
Exec Dt:
11/29/2001
14
MAXWELL, PETER
Exec Dt:
12/03/2001
15
MORGAN, DAVID
Exec Dt:
02/20/2002
16
BUIE, THOMAS
Exec Dt:
02/18/2002
17
FABER, KEES
Exec Dt:
11/19/2001
18
ALTMAN, SJOERD
Exec Dt:
11/19/2001
19
LAROO, RICHARD
Exec Dt:
11/23/2001
Assignee
1
INPUT/OUTPUT, INC.
12300 PARC CREST DRIVE
STAFFORD, TEXAS 77477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7152473
NONE
09936634
Correspondence name and address
MADAN, MOSSMAN & SRIRAM, P.C.
TODD A. BYNUM
2603 AUGUSTA
SUITE 700
HOUSTON, TX 77057
Assignment: 9
Reel/Frame:049894/0215   Pages: 3
Recorded: 07/29/2019
Attorney Dkt #:SAN003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YU, DULI
Exec Dt:
07/10/2019
2
XING, XIAOXING
Exec Dt:
07/10/2019
3
ZHANG, CHAOMIN
Exec Dt:
07/10/2019
Assignee
1
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
NO.15 BEISANHUAN EAST ROAD
CHAOYANG DISTRICT
BEIJING CITY, CHINA 100029
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11078907
NONE
16525431
Correspondence name and address
TOPE-MCKAY & ASSOCIATES
30745 PACIFIC COAST HIGHWAY #420
MALIBU, CA 90265

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