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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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
First-Named Assignee 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 143 89 100 123 93 548
SCIENTIFIC LEARNING CORPORATION 3 10 5 7 1 26
EDUCATIONAL TESTING SERVICE 3 5 3 1 3 15
YAMAHA CORPORATION 6 3 1 2 1 13
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 0 9 0 0 11
FUJITSU LIMITED 1 1 0 2 6 10
MATTEL INC. 6 0 1 1 1 9
SONY CORPORATION 4 3 2 0 0 9
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 2 3 1 8
MICROSOFT CORPORATION 1 2 2 2 1 8
SYLVAN LEARNING SYSTEMS, INC. 1 0 0 2 5 8
LEAPFROG ENTERPRISES, INC. 0 0 1 4 2 7
COGNITIVE CONCEPTS, INC. 1 1 1 2 1 6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 1 1 1 3 6
NATIONAL COMPUTER SYSTEMS, INC. 2 4 0 0 0 6
PSYCHOLOGICAL CORPORATION 0 3 2 1 0 6
UNITED STATES OF AMERICA, NAVY 1 1 0 3 1 6
BEAMHIT, LLC 0 1 0 4 0 5
CUBIC DEFENSE SYSTEMS, INC. 0 1 2 1 1 5
GAUMARD SCIENTIFIC COMPANY, INC. 0 1 1 2 1 5
GENERAL ELECTRIC COMPANY 0 0 2 2 1 5
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 2 3 5
NCR CORPORATION 0 0 4 1 0 5
TINKERS & CHANCE 0 0 1 0 4 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports