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Patent Assignment Assignee Details
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Assignee Name : IKOS SYSTEMS, INC.
Total Assignments: 15
Assignment: 1
Reel/Frame:004624/0685   Pages: 3
Recorded: 09/22/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEI, CHU CHING
Exec Dt:
09/02/1986
2
HAFEMAN, DAN R.
Exec Dt:
09/02/1986
3
FAZAKERLY, WILLIAM
Exec Dt:
09/02/1986
Assignee
1
IKOS SYSTEMS, INC.
A CORP. OF CA.
SUNNYVALE, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4787061
NONE
06878459
Correspondence name and address
FLEHR, HOHBACH, TEST, ALBRITTON
& HERBERT
STE. 3400, FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111
Assignment: 2
Reel/Frame:010113/0615   Pages: 20
Recorded: 07/26/1999
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
VIRTUAL MACHINE WORKS, INC.
Exec Dt:
05/21/1996
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5659716
NONE
08344723
 
5649176
NONE
08513605
 
5802348
NONE
08574259
 
5850537
NONE
08806542
 
6009531
NONE
08863963
 
6223148
NONE
09133959
Correspondence name and address
HAMILTON, BROOK, SMITH & REYNOLDS, P.C.
J. GRANT HOUSTON, ESQ.
TWO MILITIA DRIVE
LEXINGTON, MASSACHUSETTS 02421-4799
Assignment: 3
Reel/Frame:008479/0181   Pages: 5
Recorded: 04/28/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VIRTUAL MACHINE WORKS, INC.
Exec Dt:
04/18/1997
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
5659716
NONE
08344723
 
5649176
NONE
08513605
 
5802348
NONE
08574259
 
5854752
NONE
08588649
 
5847578
NONE
08780527
Correspondence name and address
GRAY CARY WARE & FREIDENRICH
TIMOTHY W. LOHSE
400 HAMILTON AVENUE
PALO ALTO, CA 94301
Assignment: 4
Reel/Frame:008495/0536   Pages: 5
Recorded: 05/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZYCAD CORPORATION
Exec Dt:
04/29/1997
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4527249
NONE
06436162
Correspondence name and address
GRAY CARY WARE & FREIDENRICH
TIMOTHY W. LOHSE
400 HAMILTON AVENUE
PALO ALTO, CA 94301
Assignment: 5
Reel/Frame:008603/0310   Pages: 2
Recorded: 06/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STEWART, WILLIAM K.
Exec Dt:
06/20/1997
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNDERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6104210
NONE
08807298
Correspondence name and address
SKJERVEN, MORRILL, MACPHERSON, ET AL.
EDWARD C. KWOK
25 METRO DRIVE, SUITE 700
SAN JOSE, CA 95110
Assignment: 6
Reel/Frame:008709/0298   Pages: 5
Recorded: 09/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SILICON SOLUTIONS CORPORATION
Exec Dt:
09/08/1997
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
SUNNYVALE, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4736338
NONE
06916128
Correspondence name and address
GRAY CARY WARE & FREIDENRICH
TIMOTHY W. LOHSE
PATENT DEPT.
400 HAMILTON AVE.
PALO ALTO, CA 94301
Assignment: 7
Reel/Frame:008709/0341   Pages: 5
Recorded: 09/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ZYCAD CORPORATION
Exec Dt:
09/08/1997
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
SUNNYVALE, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4769817
NONE
06824541
Correspondence name and address
GRAY CARY WARE & FREIDENRICH
TIMOTHY W. LOHSE
ATTN: PATENT DEPT.
400 HAMILTON AVE.
PALO ALTO, CA 94301
Assignment: 8
Reel/Frame:009253/0702   Pages: 5
Recorded: 06/12/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARANTZ, JOSHUA
Exec Dt:
06/12/1998
2
SELVIDGE, CHARLEY
Exec Dt:
06/12/1998
3
CROUCH, KEN
Exec Dt:
06/12/1998
4
SENESKI, MARK E.
Exec Dt:
06/12/1998
5
KUDLUGI, MARALIDHAR R.
Exec Dt:
06/12/1998
6
STEWART, WILLIAM K.
Exec Dt:
06/12/1998
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6061511
NONE
09097138
Correspondence name and address
SKJERVEN, MORRILL, ET AL.
EDWARD C. KWOK
25 METRO DRIVE, SUITE 700
SAN JOSE, CA 95110
Assignment: 9
Reel/Frame:009278/0322   Pages: 2
Recorded: 06/29/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VIRTUAL MACHINE WORKS
Exec Dt:
06/15/1998
Assignee
1
IKOS SYSTEMS, INC.
PROSPECT PLACE, 230 THIRD AVENUE, 4TH FLOOR
NORTH WALTHAM, MASSACHUSETTS 02154
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5854752
NONE
08588649
Correspondence name and address
SKJERVEN, MORRILL, MACPHERSON, ET AL.
EDWARD C. KWOK
25 METRO DRIVE, SUITE 700
SAN JOSE, CA 95110
Assignment: 10
Reel/Frame:009553/0896   Pages: 3
Recorded: 10/28/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
AGARAWAL, ANANT (FOR VIRTUAL MACHINE WORKS)
Exec Dt:
10/05/1998
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5847578
NONE
08780527
Correspondence name and address
CHOATE, HALL & STEWART
PAUL A. PYSHER
EXCHANGE PLACE
53 STATE STREET
BOSTON, MA 02109
Assignment: 11
Reel/Frame:011521/0648   Pages: 3
Recorded: 02/12/2001
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
VIRTUAL MACHINE WORKS, INC.
Exec Dt:
10/08/1998
Assignee
1
IKOS SYSTEMS, INC.
79 GREAT OAKS BOULEVARD
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5847578
NONE
08780527
Correspondence name and address
SKJERVEN MORRILL MACPHERSON LLP
EDWARD C. KWOK
25 METRO DRIVE, SUITE 700
SAN JOSE, CA 95110
Assignment: 12
Reel/Frame:011151/0758   Pages: 4
Recorded: 08/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SELVIDGE, CHARLES W.
Exec Dt:
06/26/2000
2
CROUCH, KENNETH W.
Exec Dt:
07/26/2000
3
KUDLUGI, MURALIDHAR
Exec Dt:
07/26/2000
4
HASSOUN, SOHA M.N.
Exec Dt:
07/26/2000
Assignee
1
IKOS SYSTEMS, INC.
19050 PRUNERIDGE AVENUE
CUPERTINO, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6961691
NONE
09539463
Correspondence name and address
SKJERVEN MORRILL MACPHERSON LLP
EDWARD C. KWOK
25 METRO DRIVE
SUITE 700
SAN JOSE, CA 95110
Assignment: 13
Reel/Frame:011779/0778   Pages: 2
Recorded: 04/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
GOODE, TERRY LEE
Exec Dt:
04/24/2001
Assignee
1
IKOS SYSTEMS, INC.
79 GREAT OAKS BOULEVARD
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7379859
US20020156614
09841974
Correspondence name and address
SKJERVEN MORRILL MACPHERSON LLP
EDWARD C. KWOK, ESQ.
25 METRO DRIVE, SUITE 700
SAN JOSE, CA 95110
Assignment: 14
Reel/Frame:013020/0657   Pages: 3
Recorded: 06/21/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUDLUGI, MURALIDHAR R.
Exec Dt:
06/06/2002
2
SELVIDGE, CHARLES W.
Exec Dt:
06/06/2002
Assignee
1
IKOS SYSTEMS, INC.
79 GREAT OAKS BOULEVARD
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6817001
NONE
10103617
Correspondence name and address
SKJERVEN MORRILL LLP
PHILIP W. WOO
THREE EMBARCADERO CENTER, 28TH FLOOR
SAN FRANCISCO, CA 94111
Assignment: 15
Reel/Frame:014685/0311   Pages: 3
Recorded: 11/06/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUDLUGI, MURALIDHAR R.
Exec Dt:
06/06/2002
2
SELVIDGE, CHARLES W.
Exec Dt:
06/06/2002
Assignee
1
IKOS SYSTEMS, INC.
79 GREAT OAKS BOULEVARD
SAN JOSE, CALIFORNIA 95119
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7143377
NONE
10701598
Correspondence name and address
BANNER & WITCOFF, LTD.
ROSS A. DANNENBERG
1001 G STREET, N.W.
WASHINGTON, D.C. 20001

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