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Patent Assignment Assignor Details
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Assignor Name : ZHENG, YOUFENG
Total Assignments: 20
Assignment: 1
Reel/Frame:009879/0282   Pages: 9
Recorded: 03/30/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHU, JIAN-GANG
Exec Dt:
03/28/1999
2
ZHENG, YOUFENG
Exec Dt:
03/29/1999
3
PRINZ,GARY A.
Exec Dt:
03/30/1999
Assignee
1
CARNEGIE MELLON UNIVERSITY
5000 FORBES AVENUE
PITTSBURGH, PENNSYLVANIA 15213
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6391483
NONE
09281171
Correspondence name and address
KIRKPATRICK & LOCKHART LLP
DARREN E. WOLF
1500 OLIVER BUILDING
PITTSBURGH, PA 15222
Assignment: 2
Reel/Frame:010546/0212   Pages: 5
Recorded: 01/24/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, MIN
Exec Dt:
12/27/1999
2
LIAO, SIMON H.
Exec Dt:
12/27/1999
3
HORNG, CHENG T.
Exec Dt:
12/27/1999
4
ZHENG, YOUFENG
Exec Dt:
12/27/1999
5
TONG, RU-YING
Exec Dt:
12/27/1999
6
JU, KOCHAN
Exec Dt:
12/27/1999
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6392853
NONE
09489973
Correspondence name and address
GEORGE O. SAILE
20 MCINTOSH DRIVE
POUGHKEEPSIE, NEW YORK 12603
Assignment: 3
Reel/Frame:011294/0914   Pages: 4
Recorded: 10/26/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JU, KOCHAN
Exec Dt:
10/05/2000
2
HORNG, CHENG
Exec Dt:
10/05/2000
3
ZHENG, YOUFENG
Exec Dt:
10/05/2000
4
LIAO, SIMON
Exec Dt:
10/05/2000
5
CHANG, JEI-WEI
Exec Dt:
10/05/2000
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6885527
NONE
09696134
Correspondence name and address
GEORGE O. SAILE
20 MCINTOSH DRIVE
POUGHKEEPSIE, NY 12603
Assignment: 4
Reel/Frame:013278/0669   Pages: 3
Recorded: 09/10/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIAO, SIMON
Exec Dt:
08/05/2002
2
JU, KOCHAN
Exec Dt:
08/05/2002
3
ZHENG, YOUFENG
Exec Dt:
08/05/2002
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7201947
US20040047085
10238269
Correspondence name and address
GEORGE O. SAILE
20 MCINTOSH DRIVE
POUGHKEEPSIE, NY 12603
Assignment: 5
Reel/Frame:013777/0404   Pages: 3
Recorded: 02/13/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YOUFENG
Exec Dt:
01/27/2003
2
JU, KOCHAN
Exec Dt:
01/27/2003
3
LI, MIN
Exec Dt:
01/27/2003
4
HU, BEN
Exec Dt:
01/27/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6943994
US20040160708
10365983
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 6
Reel/Frame:013892/0872   Pages: 3
Recorded: 03/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YOUFENG
Exec Dt:
02/06/2003
2
JU, KOCHAN
Exec Dt:
02/06/2003
3
VOEGE, OTTO
Exec Dt:
02/06/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7040005
US20040184197
10392118
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 7
Reel/Frame:013936/0814   Pages: 3
Recorded: 04/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YOUFENG
Exec Dt:
03/05/2003
2
JU, KOCHAN
Exec Dt:
03/05/2003
3
LIAO, SIMON
Exec Dt:
03/05/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6873501
US20040196598
10406119
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 8
Reel/Frame:014479/0401   Pages: 5
Recorded: 09/08/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, KUNLIANG
Exec Dt:
08/19/2003
2
JU, KOCHAN
Exec Dt:
08/19/2003
3
LI, MIN
Exec Dt:
08/19/2003
4
ZHENG, YOUFENG
Exec Dt:
08/19/2003
5
LIAO, SIMON
Exec Dt:
08/19/2003
6
LIU, YUE
Exec Dt:
08/19/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7075758
US20050052789
10657504
Correspondence name and address
GEORGE O. SAILE
28 DAVID AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 9
Reel/Frame:014706/0083   Pages: 3
Recorded: 11/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JEI-WEI
Exec Dt:
10/24/2003
2
TERUNUMA, KOICHI
Exec Dt:
10/24/2003
3
ZHENG, YOUFENG
Exec Dt:
10/24/2003
4
JU, KOCHAN
Exec Dt:
10/24/2003
Assignee
1
HEADWAY TECHNOLOGIES INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7134184
US20050099739
10706838
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 10
Reel/Frame:014711/0299   Pages: 3
Recorded: 11/17/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, JEI-WEI
Exec Dt:
10/27/2003
2
CHEN, CHAO-PENG
Exec Dt:
10/27/2003
3
ZHENG, YOUFENG
Exec Dt:
10/27/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7134182
US20050102820
10715020
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 11
Reel/Frame:014737/0556   Pages: 5
Recorded: 11/20/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, MIN
Exec Dt:
11/05/2003
2
JU, KOCHAN
Exec Dt:
11/05/2003
3
ZHENG, YOUFENG
Exec Dt:
11/05/2003
4
LIAO, SIMON
Exec Dt:
11/05/2003
5
CHANG, JEI-WEI
Exec Dt:
11/05/2003
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7016168
US20050111148
10718373
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEPSIE, NY 12603
Assignment: 12
Reel/Frame:015163/0217   Pages: 5
Recorded: 03/30/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, MIN
Exec Dt:
03/09/2004
2
ZHENG, YOUFENG
Exec Dt:
03/09/2004
3
ZHANG, KUNLIANG
Exec Dt:
03/09/2004
4
LIAO, SIMON
Exec Dt:
03/09/2004
5
JU, KOCHAN
Exec Dt:
03/09/2004
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7180716
US20050219773
10812695
Correspondence name and address
GEORGE O. SAILE
29 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 13
Reel/Frame:015955/0367   Pages: 3
Recorded: 11/03/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, YOUFENG
Exec Dt:
10/25/2004
2
JU, KOCHAN
Exec Dt:
10/25/2004
Assignee
1
HEADWAY TECHNOLOGIES, INC.
678 S. HILLVIEW DRIVE
MILPITAS, CALIFORNIA 95035
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7265947
US20060092581
10980482
Correspondence name and address
GEORGE O. SAILE
28 DAVIS AVENUE
POUGHKEEPSIE, NY 12603
Assignment: 14
Reel/Frame:017983/0812   Pages: 5
Recorded: 06/08/2006
Attorney Dkt #:05103-0635
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NOLAN, THOMAS P.
Exec Dt:
05/12/2006
2
TANG, LI
Exec Dt:
05/12/2006
3
FENG, YONG-CHANG
Exec Dt:
05/12/2006
4
WU, ZHONG (STELLA)
Exec Dt:
05/22/2006
5
HARKNESS, SAMUEL D., IV
Exec Dt:
05/12/2006
6
RICHTER, HANS J.
Exec Dt:
05/22/2006
7
ZHENG, YOUFENG
Exec Dt:
05/12/2006
Assignee
1
SEAGATE TECHNOLOGY LLC
920 DISC DRIVE, P.O. BOX 66360
SCOTTS VALLEY, CALIFORNIA 95067-0360
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070287031
11448770
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
600 13TH STREET, N.W.
WASHINGTON, DC 20005-3096
Assignment: 15
Reel/Frame:018660/0433   Pages: 5
Recorded: 12/01/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TANG, LI
Exec Dt:
11/29/2006
2
XU, WEILU
Exec Dt:
11/29/2006
3
ZHENG, YOUFENG
Exec Dt:
11/29/2006
4
ROU, SHANGSHIEN
Exec Dt:
11/29/2006
5
LIU, CONNIE CHUNLING
Exec Dt:
11/29/2006
6
XUE, JIANHUA
Exec Dt:
11/17/2006
7
LEE, LI-LIEN
Exec Dt:
11/29/2006
Assignee
1
SEAGATE TECHNOLOGY LLC
920 DISC DRIVE
P.O. BOX 66360
SCOTTS VALLEY, CALIFORNIA 95067-0360
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8465854
US20080131734
11606998
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
600 13TH STREET, N.W.
WASHINGTON, DC 20005-3096
Assignment: 16
Reel/Frame:029768/0089   Pages: 3
Recorded: 02/06/2013
Attorney Dkt #:HIT1P698/HSJ920120072US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LE, QUANG
Exec Dt:
12/10/2012
2
LIAO, SIMON H.
Exec Dt:
12/17/2012
3
LIU, GUANGLI
Exec Dt:
12/10/2012
4
JU, KOCHAN
Exec Dt:
12/10/2012
5
ZHENG, YOUFENG
Exec Dt:
12/10/2012
Assignee
1
HGST NETHERLANDS B.V.
HERIKERBERGWEG 238
LUNA ARENA
1101 CM AMSTERDAM, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8941954
US20140168822
13720942
Correspondence name and address
ZILKA-KOTAB, PC
P.O. BOX 721120
SAN JOSE, CA 95172
Assignment: 17
Reel/Frame:031155/0370   Pages: 7
Recorded: 09/06/2013
Attorney Dkt #:HIT1P720/HSJ920120102US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LE, QUANG
Exec Dt:
07/19/2013
2
LIAO, SIMON H.
Exec Dt:
08/01/2013
3
LIU, GUANGLI
Exec Dt:
08/02/2013
4
JU, KOCHAN
Exec Dt:
07/18/2013
5
ZHENG, YOUFENG
Exec Dt:
07/18/2013
Assignee
1
HGST NETHERLANDS B.V.
HERIKERBERGWEG 238
LUNA ARENA
1101 CM AMSTERDAM, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9202482
US20150062751
14011687
Correspondence name and address
ZILKA-KOTAB, PC
P.O. BOX 721120
SAN JOSE, CA 95172
Assignment: 18
Reel/Frame:049580/0006   Pages: 4
Recorded: 06/25/2019
Attorney Dkt #:WESD/0267US (WDA-3970-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASIF BASHIR, MUHAMMAD
Exec Dt:
06/10/2019
2
WEI, YAGUANG
Exec Dt:
06/10/2019
3
VAN DER HEIJDEN, PETRUS ANTONIUS
Exec Dt:
06/07/2019
4
SHEN, XINJIANG
Exec Dt:
06/10/2019
5
LAM, TERENCE
Exec Dt:
06/11/2019
6
BAI, ZHIGANG
Exec Dt:
06/14/2019
7
ZHENG, YOUFENG
Exec Dt:
06/11/2019
8
SHI, CHANGQING
Exec Dt:
06/11/2019
9
HO, MICHAEL KUOK SAN
Exec Dt:
06/11/2019
10
ZHU, JIAN-GANG
Exec Dt:
06/14/2019
11
GUAN, LIJIE
Exec Dt:
06/08/2019
12
CHEMBROLU, VENKATESH
Exec Dt:
06/14/2019
Assignee
1
WESTERN DIGITAL TECHNOLOGIES, INC.
5601 GREAT OAKS PARKWAY
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10777219
NONE
16450111
Correspondence name and address
STEVEN H. VERSTEEG
24 GREENWAY PLAZA, SUITE 1600
PATTERSON + SHERIDAN LLP
HOUSTON, TX 77046
Assignment: 19
Reel/Frame:053539/0567   Pages: 4
Recorded: 08/19/2020
Attorney Dkt #:WESD/0267D1(WDA-3970-I-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASIF BASHIR, MUHAMMAD
Exec Dt:
06/10/2019
2
WEI, YAGUANG
Exec Dt:
06/10/2019
3
VAN DER HEIJDEN, PETRUS ANTONIUS
Exec Dt:
06/07/2019
4
SHEN, XINJIANG
Exec Dt:
06/10/2019
5
LAM, TERENCE
Exec Dt:
06/11/2019
6
BAI, ZHIGANG
Exec Dt:
06/14/2019
7
ZHENG, YOUFENG
Exec Dt:
06/11/2019
8
SHI, CHANGQING
Exec Dt:
06/11/2019
9
HO, MICHAEL KUOK SAN
Exec Dt:
06/11/2019
10
ZHU, JIAN-GANG
Exec Dt:
06/14/2019
11
GUAN, LIJIE
Exec Dt:
06/08/2019
12
CHEMBROLU, VENKATESH
Exec Dt:
06/14/2019
Assignee
1
WESTERN DIGITAL TECHNOLOGIES, INC.
5601 GREAT OAKS PARKWAY
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10861485
US20200381011
16995656
Correspondence name and address
STEVEN H. VERSTEEG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 20
Reel/Frame:050141/0116   Pages: 4
Recorded: 08/22/2019
Attorney Dkt #:WESD/0288US (WDA-4310-US)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASIF BASHIR, MUHAMMAD
Exec Dt:
06/14/2019
2
BAI, ZHIGANG
Exec Dt:
06/08/2019
3
WEI, YAGUANG
Exec Dt:
06/18/2019
4
LAM, TERENCE
Exec Dt:
06/20/2019
5
ZHENG, YOUFENG
Exec Dt:
06/18/2019
6
SHI, CHANGQING
Exec Dt:
08/08/2019
7
HO, MICHAEL KUOK SAN
Exec Dt:
06/18/2019
8
SHEN, XINJIANG
Exec Dt:
06/18/2019
9
SONG, SUPING
Exec Dt:
06/18/2019
10
GUAN, LIJIE
Exec Dt:
06/24/2019
11
CHEMBROLU, VENKATESH
Exec Dt:
06/11/2019
Assignee
1
WESTERN DIGITAL TECHNOLOGIES, INC.
5601 GREAT OAKS PARKWAY
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11557314
NONE
16453354
Correspondence name and address
STEVEN H. VERSTEEG
24 GREENWAY PLAZA, SUITE 1600
PATTERSON + SHERIDAN LLP
HOUSTON, TX 77046

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