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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
First-Named Assignee 2001 2002 2003 2004 2005 Total
~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/


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