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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 : HOU, ZEZHANG
Total Assignments: 14
Assignment: 1
Reel/Frame:007134/0762   Pages: 4
Recorded: 06/17/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOU, ZEZHANG
Exec Dt:
06/17/1994
2
THORNTON, AARON R.
Exec Dt:
06/17/1994
Assignee
1
MASSACHUSETTS EYE AND EAR INFIRMARY
243 CHARLES STREET
BOSTON, MASSACHUSETTS 02114
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5729658
NONE
08261929
Correspondence name and address
FISH & RICHARDSON
PAUL T. CLARK
225 FRANKLIN STREET
BOSTON, MA 02110-2804
Assignment: 2
Reel/Frame:010695/0804   Pages: 2
Recorded: 03/31/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
03/29/2000
Assignee
1
AUDIA TECHNOLOGIES, INC
SUITE 200
21060 HOMESTEAD ROAD
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6522988
NONE
09540577
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
PO BOX 130
MOUNTAIN VIEW, CA 94042-0130
Assignment: 3
Reel/Frame:010722/0501   Pages: 2
Recorded: 03/31/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
03/29/2000
Assignee
1
AUDIA TECHNOLOGY, INC.
21060 HOMESTEAD ROAD, SUITE 200
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6322521
NONE
09541366
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 130
MOUNTAIN VIEW, CA 94042-0130
Assignment: 4
Reel/Frame:011816/0054   Pages: 2
Recorded: 05/15/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
05/09/2001
Assignee
1
AUDIA TECHNOLOGY, INC.
21060 HOMESTEAD ROAD, SUITE 200
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7242781
US20010028720
09858299
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 778
BERKELEY, CA 94704-0778
Assignment: 5
Reel/Frame:011971/0271   Pages: 2
Recorded: 07/03/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
07/03/2001
Assignee
1
AUDIA TECHNOLOGY, INC.
SUITE 200
21060 HOMESTEAD ROAD
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6711271
US20020048382
09898797
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 778
BERKELEY, CA 94704-0778
Assignment: 6
Reel/Frame:012063/0405   Pages: 2
Recorded: 08/07/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
08/06/2001
Assignee
1
AUDIA TECHNOLOGY, INC.
SUITE 200
21060 HOMESTED ROAD
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6873709
US20020015503
09924073
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 778
BERKELY, CA 94704-0778
Assignment: 7
Reel/Frame:012450/0840   Pages: 2
Recorded: 10/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, CHAOYING
Exec Dt:
10/23/2001
2
HOU, ZEZHANG
Exec Dt:
10/23/2001
Assignee
1
AUDIA TECHNOLOGY, INC.
21060 HOMESTEAD ROAD, SUITE 200
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7200237
US20020054689
10037766
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 778
BERKELEY, CA 94704-0778
Assignment: 8
Reel/Frame:013984/0098   Pages: 2
Recorded: 04/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAI, RIFENG
Exec Dt:
04/16/2003
2
HOU, ZEZHANG
Exec Dt:
04/16/2003
Assignee
1
APHERMA CORPORATION
880 E. ARQUES AVENUE
SUNNYVALE, CALIFORNIA 94085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040036636
10417879
Correspondence name and address
EMIL CHANG, LAW OFFICES OF EMIL CHANG
874 JASMINE DRIVE
SUNNYVALE, CA 94086
Assignment: 9
Reel/Frame:015891/0229   Pages: 3
Recorded: 03/11/2005
Attorney Dkt #:AUD1P005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
03/04/2005
Assignee
1
APHERMA CORPORATION
880 E. ARQUEZ AVENUE
SUNNYVALE, CALIFORNIA 94085
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7155019
US20020034310
09808694
Correspondence name and address
BEYER WEAVER & THOMAS, LLP
C. DOUGLASS THOMAS
P.O. BOX 70250
OAKLAND, CA 94612-0250
Assignment: 10
Reel/Frame:019331/0798   Pages: 5
Recorded: 05/24/2007
Attorney Dkt #:54586.0002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
05/15/2007
Assignee
1
APHERMA CORPORATION
440 N. WOLFE ROAD
SUNNYVALE, CALIFORNIA 94085
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20010038699
09813430
 
6913578
US20020183648
10133816
Correspondence name and address
FREDRIKSON & BYRON, P.A.
200 SOUTH SIXTH STREET
SUITE 4000
MINNEAPOLIS, MN 55402
Assignment: 11
Reel/Frame:019772/0711   Pages: 2
Recorded: 08/31/2007
Attorney Dkt #:102-P012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
08/27/2007
Assignee
1
APHERMA, LLC
5000 TOWNSHIP PARKWAY
ST. PAUL, MINNESOTA 55110
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8189830
US20080049956
11846020
Correspondence name and address
C. DOUGLASS THOMAS
19200 STEVENS CREEK BLVD
SUTIE 240
CUPERTINO, CA 95014
Assignment: 12
Reel/Frame:032040/0144   Pages: 3
Recorded: 01/24/2014
Attorney Dkt #:1-23371
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
01/20/2014
Assignee
1
OTOTRONIX, LLC
26620 I-45 NORTH
HOUSTON, TEXAS 77386
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9414173
NONE
14160657
Correspondence name and address
MARSHALL & MELHORN, LLC
FOUR SEAGATE, EIGHTH FLOOR
D. EDWARD DOLGORUKOV
TOLEDO, OH 43604
Assignment: 13
Reel/Frame:032040/0154   Pages: 3
Recorded: 01/24/2014
Attorney Dkt #:1-23354
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HOU, ZEZHANG
Exec Dt:
01/20/2014
Assignee
1
OTOTRONIX, LL
26620 I-45 NORTH
HOUSTON, TEXAS 77386
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140205117
14160802
Correspondence name and address
MARSHALL & MELHORN, LLC
FOUR SEAGATE, EIGHTH FLOOR
D. EDWARD DOLGORUKOV
TOLEDO, OH 43604
Assignment: 14
Reel/Frame:045290/0540   Pages: 7
Recorded: 03/20/2018
Attorney Dkt #:P44185-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, JUN
Exec Dt:
03/19/2018
2
HOU, ZEZHANG
Exec Dt:
03/19/2018
Assignee
1
AMAZON TECHNOLOGIES, INC.
PO BOX 81226
SEATTLE, WASHINGTON 98108-1226
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10466959
NONE
15926443
Correspondence name and address
PIERCE ATWOOD LLP ATTN: PATENT DOCKETING
100 SUMMER STREET
SUITE 2250
BOSTON, MA 02110

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