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 434, Education and Demonstration
( 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
~Individually Owned Patent
89
100
123
93
87
492
SCIENTIFIC LEARNING CORPORATION
10
5
7
1
0
23
EDUCATIONAL TESTING SERVICE
5
3
1
3
1
13
FUJITSU LIMITED
1
0
2
6
2
11
UNIVERSITY OF CALIFORNIA, THE REGENTS OF
0
9
0
0
0
9
INTERNATIONAL BUSINESS MACHINES CORPORATION
1
2
3
1
1
8
LEAPFROG ENTERPRISES, INC.
0
1
4
2
1
8
MICROSOFT CORPORATION
2
2
2
1
1
8
BEAMHIT, LLC
1
0
4
0
2
7
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
0
0
2
3
2
7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.)
1
1
1
3
1
7
SYLVAN LEARNING SYSTEMS, INC.
0
0
2
5
0
7
YAMAHA CORPORATION
3
1
2
1
0
7
ECOLLEGE.COM
0
1
0
3
2
6
NCR CORPORATION
0
4
1
0
1
6
PSYCHOLOGICAL CORPORATION
3
2
1
0
0
6
SONY CORPORATION
3
2
0
0
1
6
COGNITIVE CONCEPTS, INC.
1
1
2
1
0
5
CUBIC DEFENSE SYSTEMS, INC.
1
2
1
1
0
5
GAUMARD SCIENTIFIC COMPANY, INC.
1
1
2
1
0
5
GENERAL ELECTRIC COMPANY
0
2
2
1
0
5
HITACHI, LTD
0
3
1
0
1
5
NCS PEARSON, INC.
0
0
1
2
2
5
TINKERS & CHANCE
0
1
0
4
0
5
UNITED STATES OF AMERICA, NAVY
1
0
3
1
0
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