Home >
Listing of Viewable PTMB Reports >
Table of Contents for This Set of Reports
U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)
Patenting In Technology Classes, Breakout By Organization
Count of 2001 - 2005 Utility Patent Grants, By Calendar Year of Grant
With Patent Counts Based on Primary Patent Classification
- Explanation of Data -
Rank Ordered Listing of Organizations Receiving
5
or More Utility Patents During the Period
Having Primary Classification In
Class 726, Information Security
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )
( patent ownership is determined by the first-named assignee listed on a patent )
The following table displays first-named assignees and counts of their associated patents, as distributed by the year of patent grant
INTERNATIONAL BUSINESS MACHINES CORPORATION
20
17
17
34
27
115
~Individually Owned Patent
15
11
11
12
7
56
SUN MICROSYSTEMS, INC.
12
3
11
9
6
41
NETWORK ASSOCIATES, INC.
1
2
5
22
7
37
MICROSOFT CORPORATION
11
6
3
4
9
33
CISCO TECHNOLOGY, INC.
4
6
3
7
3
23
INTEL CORPORATION
8
4
3
5
1
21
FUJITSU LIMITED
3
4
2
7
3
19
3COM CORPORATION
6
3
1
2
0
12
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
0
0
3
3
6
12
HITACHI, LTD
5
3
1
1
2
12
Z4 TECHNOLOGIES, INC.
0
4
0
7
1
12
SONY CORPORATION
3
0
4
4
0
11
NORTEL NETWORKS LIMITED
2
1
3
1
2
9
LUCENT TECHNOLOGIES INC.
3
0
2
1
2
8
SAMSUNG ELECTRONICS CO., LTD.
0
0
5
3
0
8
SECURE COMPUTING CORPORATION
4
2
2
0
0
8
AT&T CORP.
5
0
0
2
0
7
CANON KABUSHIKI KAISHA
1
1
1
3
1
7
ENTRUST TECHNOLOGIES LTD.
2
1
1
3
0
7
SYMANTEC CORPORATION
0
1
1
2
3
7
COMPAQ COMPUTER CORPORATION, INC.
4
2
0
0
0
6
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P.
1
3
2
0
0
6
DELL PRODUCTS, L.P.
1
1
2
1
1
6
HEWLETT-PACKARD COMPANY
3
3
0
0
0
6
NEC CORPORATION
1
3
0
1
1
6
NCR CORPORATION
3
0
1
1
0
5
NOVELL, INC.
1
2
0
2
0
5
TELEFONAKTIEBOLAGET LM ERICSSON
1
0
1
1
2
5
PTMB Contacts
Questions regarding these reports should be directed to:
U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450
tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov
address of PTMB pages at the USPTO Web Site:
http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from :
ftp.uspto.gov/pub/taf/
Top
Home >
Listing of Viewable PTMB Reports >
Table of Contents for This Set of Reports
javascript displays date of file obtained from webserver