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 : CHEN, CHYI-CHENG
Total Assignments: 13
Assignment: 1
Reel/Frame:004264/0638   Pages: 2
Recorded: 05/23/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
05/14/1984
2
WHISTLER, ROY L.
Exec Dt:
05/16/1984
Assignee
1
PURDUE RESEARCH FOUNDATION
A CORP. OF IN
WEST LAFAYETTE, INDIANA 47907
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4623721
NONE
06613184
Correspondence name and address
ROYLANCE, ABRAMS, BERDO & GOODMAN
STE. 315, 1225 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:005444/0842   Pages: 11
Recorded: 07/27/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHEN, CHYI-CHENG
Exec Dt:
08/10/1989
Assignee
1
KRAFT, INC.
KRAFT COURT, A CORP OF DE
GLENVIEW, ILLINOIS 60025
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5104674
NONE
07548950
Correspondence name and address
PHILLIP H. WATT
FITCH, EVEN, TABIN & FLANNERY
135 SOUTH LA SALLE ST.
CHICAGO, IL 60603
Assignment: 3
Reel/Frame:011330/0275   Pages: 2
Recorded: 11/30/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
11/20/2000
2
LEUENBERGER, BRUNO
Exec Dt:
11/20/2000
Assignee
1
F. HOFFMANN-LA ROCHE AG
124 GRENZACHERSTRASSE
CH-4070 BASLE, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8409617
US20010009679
09726880
Correspondence name and address
BRYAN CAVE LLP
MARK E. WADDELL
245 PARK AVENUE
NEW YORK, NY 10167-0034
Assignment: 4
Reel/Frame:011384/0929   Pages: 2
Recorded: 12/15/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
12/12/2000
2
LEUENBERGER, BRUNO
Exec Dt:
12/12/2000
3
VOELKI, DENISE
Exec Dt:
12/12/2000
Assignee
1
F. HOFFMANN-LA ROCHE AG
124 GRENZACHERSTRASSE
CH-4070 BASLE, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6974832
US20010005514
09738610
Correspondence name and address
BRYAN CAVE LLP
MARK E. WADDELL
245 PARK AVENUE
NEW YORK, NEW YORK 10167-0034
Assignment: 5
Reel/Frame:015945/0455   Pages: 2
Recorded: 03/03/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
10/09/2001
2
LEUENBERGER, BRUNO
Exec Dt:
10/09/2001
Assignee
1
ROCHE VITAMINS AG
124 GRENZACHERSTRASSE
CH-4070 BASLE, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050008692
10488451
Correspondence name and address
STEPHEN M. HARARCZ
BRYAN CAVE, LLP
1290 AVENUE OF THE AMERICAS - 33RD FLOOR
NEW YORK, NY 10104-3300
Assignment: 6
Reel/Frame:016352/0063   Pages: 2
Recorded: 08/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
07/12/2004
2
LEUENBERGER, BRUNO
Exec Dt:
07/12/2004
3
ULM, JOHANN
Exec Dt:
07/12/2004
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1, 6411 TE HEERLEN
NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050142123
10504380
Correspondence name and address
STEPHEN H. HARACZ
BRYAN CAVE LLP
1290 AVENUE OF THE AMERICAS
NEW YORK, NY 10104
Assignment: 7
Reel/Frame:016352/0101   Pages: 2
Recorded: 08/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
07/12/2004
2
LEUENBERGER, BRUNO
Exec Dt:
07/12/2004
3
ULM, JOHANN
Exec Dt:
07/12/2004
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050142123
10504380
Correspondence name and address
STEPHEN M. HARACZ
BRYAN CAVE LLP
1290 AVENUE OF THE AMERICAS
NEW YORK, N.Y 10104
Assignment: 8
Reel/Frame:019749/0701   Pages: 2
Recorded: 08/15/2007
Attorney Dkt #:24514USWO C038435/0211850
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
06/01/2007
2
LEUENBERGER, BRUNO H.
Exec Dt:
06/01/2007
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
6411 TE HEERLEN, NETHERLANDS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9579303
US20080193575
11884433
Correspondence name and address
STEPHEN M. HARACZ
BRYAN CAVE LLP
1290 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10104-3300
Assignment: 9
Reel/Frame:020784/0902   Pages: 5
Recorded: 04/10/2008
Attorney Dkt #:4804-15 (BHD)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEUMER, RAPHAEL
Exec Dt:
11/23/2007
2
CHEN, CHYI-CHENG
Exec Dt:
02/19/2008
3
GUTZWILLER, HEINZ
Exec Dt:
11/23/2007
4
MAILLAN, PHILIPPE EMMANUEL
Exec Dt:
11/21/2007
5
NOWOTNY, MARKUS
Exec Dt:
11/28/2007
6
SCHLEGEL, BERND
Exec Dt:
01/28/2008
7
VOLLHARDT, JUERGEN H.
Exec Dt:
11/26/2007
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8685456
US20080311209
11994212
Correspondence name and address
NIXON & VANDERHYE, PC
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 10
Reel/Frame:020881/0123   Pages: 3
Recorded: 04/30/2008
Attorney Dkt #:4804-13 (BHD)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VOLLHARDT, JUERGEN H.
Exec Dt:
11/26/2007
2
MAILLAN, PHILIPPE EMMANUEL
Exec Dt:
11/27/2007
3
BEUMER, RAPHAEL
Exec Dt:
10/31/2007
4
CHEN, CHYI-CHENG
Exec Dt:
02/19/2008
5
GUTZWILLER, HEINZ
Exec Dt:
11/28/2007
6
ZEDI, ERNST
Exec Dt:
01/15/2008
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8951560
US20090035336
11994216
Correspondence name and address
NIXON & VANDERHYE, PC
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 11
Reel/Frame:023468/0641   Pages: 2
Recorded: 11/04/2009
Attorney Dkt #:BHD4662-1055
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHEN, CHYI-CHENG
Exec Dt:
02/03/2009
Assignee
1
DSM IP ASSETS B.V.
HET OVERLEEN
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8642736
US20100099607
12375974
Correspondence name and address
NIXON & VANDERHYE, PC
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 12
Reel/Frame:025064/0734   Pages: 10
Recorded: 09/29/2010
Attorney Dkt #:BHD-4662-1510
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
09/16/2010
2
DIGUET, SYLVAIN
Exec Dt:
09/20/2010
3
LEUENBERGER, BRUNO
Exec Dt:
09/17/2010
4
URBAN, KAI
Exec Dt:
09/20/2010
Assignee
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8535724
US20110039945
12740154
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE, PC
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 13
Reel/Frame:025244/0440   Pages: 10
Recorded: 11/03/2010
Attorney Dkt #:BHD-4662-1456
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, CHYI-CHENG
Exec Dt:
09/16/2010
2
YAO, PING
Exec Dt:
06/04/2010
3
LEUENBERGER, BRUNO H.
Exec Dt:
05/12/2010
4
WAGNER, GERHARD
Exec Dt:
05/27/2010
5
XU, KEKE
Exec Dt:
06/04/2010
Assignees
1
DSM IP ASSETS B.V.
HET OVERLOON 1
HEERLEN, NETHERLANDS 6411 TE
2
FUDAN UNIVERSITY
NO. 220 HANDAN ROAD
SHANGHAI, CHINA 200433
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110002905
12710619
Correspondence name and address
BRYAN H. DAVIDSON
NIXON & VANDERHYE P.C.
901 NORTH GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203

Search Results as of: 04/29/2024 11:49 AM
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