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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 1969 - 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 96 115 153 127 157 114 93 93 98 86 67 75 70 64 53 80 72 55 93 84 106 80 81 100 130 105 85 107 97 147 135 143 89 100 123 93 3566
UNITED STATES OF AMERICA, NAVY 4 9 12 9 7 8 9 6 4 0 2 3 10 6 7 8 5 0 0 1 0 6 3 1 4 0 2 2 1 0 6 1 1 0 3 1 141
SINGER COMPANY 0 0 0 10 8 11 8 8 10 2 5 10 7 10 0 2 6 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 101
UNITED STATES OF AMERICA, ARMY 1 1 0 0 0 0 1 2 1 1 3 2 2 1 0 0 1 2 0 1 1 0 1 0 3 1 5 2 2 1 1 1 0 1 1 0 39
EDUCATIONAL TESTING SERVICE 1 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 2 0 2 0 0 2 0 1 4 3 5 3 1 3 32
MATTEL INC. 1 4 2 4 3 0 0 0 0 3 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 0 1 6 0 1 1 1 32
XEROX CORPORATION 1 0 0 2 1 3 4 9 7 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 32
YAMAHA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 4 13 6 3 1 2 1 32
TEXAS INSTRUMENTS, INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 6 2 0 1 1 1 1 0 4 0 3 0 1 0 0 0 2 1 0 0 1 29
SCIENTIFIC LEARNING CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 10 5 7 1 27
SINGER-GENERAL PRECISION INC. 8 5 11 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 26
SONY CORPORATION 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 0 0 0 2 2 1 1 0 0 1 1 0 2 0 1 1 4 3 2 0 0 25
GENERAL ELECTRIC COMPANY 0 1 2 0 3 0 1 0 1 0 1 0 1 1 0 0 0 0 2 1 1 0 0 0 2 0 0 0 0 0 0 0 0 2 2 1 22
NATIONAL COMPUTER SYSTEMS, INC. 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 1 1 6 0 2 4 0 0 0 20
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 3 1 0 0 1 1 1 1 1 1 0 1 1 0 1 0 0 2 0 0 0 0 0 1 0 1 1 0 0 1 0 0 1 0 0 20
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 1 0 1 0 1 1 2 3 1 19
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 1 0 5 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 2 1 0 0 2 0 0 2 0 1 19
ATARI GAMES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 5 2 2 5 0 0 0 0 0 0 0 18
UNITED STATES OF AMERICA, AIR FORCE 1 2 0 1 0 0 0 0 1 1 0 0 1 3 1 1 0 0 0 0 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 16
FUJITSU LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 0 1 1 0 2 6 13
RICOH COMPANY, LTD. 0 0 3 1 0 1 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 0 0 0 13
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 9 0 0 13
PIONEER ELECTRONIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 2 2 2 1 0 0 1 0 0 0 0 12
SYMTRON SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 0 1 3 1 1 1 0 1 0 0 0 0 0 12
CANON KABUSHIKI KAISHA 0 0 0 3 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 2 0 1 0 1 0 0 0 0 0 0 0 0 11
MARVIN GLASS & ASSOCIATES 1 1 0 2 0 0 1 0 1 0 2 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
MOTOROLA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 3 3 0 1 0 0 0 0 0 11
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 2 0 2 1 0 0 11
AAI CORPORATION 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 0 1 0 0 0 1 0 0 0 0 10
HITACHI, LTD 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 1 0 0 0 0 3 1 0 10
HONEYWELL INC. 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 2 0 0 1 0 0 0 0 1 1 0 1 0 0 0 0 0 0 10
KALTENBACH & VOIGT GMBH 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 0 1 1 0 0 0 0 0 0 0 0 10
TOMY COMPANY, LTD. 0 0 0 0 0 0 0 0 1 0 1 2 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 1 0 0 1 0 0 0 10
TV INTERACTIVE DATA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 2 0 1 0 0 0 10
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 4 4 0 0 0 0 0 10
BROTHER KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 0 0 1 1 1 1 1 0 0 0 0 9
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 1 1 1 3 9
MICROSOFT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 2 2 1 9
MINOLTA CAMERA CO., LTD. 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 9
SYLVAN LEARNING SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2 5 9
T.P.I. LIMITED 1 2 1 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
WESTINGHOUSE ELECTRIC CORP. 0 1 0 1 2 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 9
EASTMAN KODAK COMPANY 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 0 1 0 0 8
MCDONNELL DOUGLAS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 1 0 0 0 8
NCR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 4 1 0 8
SEGA ENTERPRISES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2 0 3 0 0 0 8
SOLARTRON ELECTRONIC GROUP LIMITED 0 0 0 1 0 1 1 0 0 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
CUBIC DEFENSE SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 2 1 1 7
GAUMARD SCIENTIFIC COMPANY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 2 1 7
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC. 0 2 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 7
KNOWLEDGE KIDS ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 0 1 0 0 7
LEAPFROG ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 7
MINNESOTA MINING AND MANUFACTURING COMPANY 0 0 2 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 7
NAMCO LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 2 0 2 0 7
PRECITRONIC GESELLSCHAFT FUR FEINMECHANIK UND ELECTRONIC MBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
PSYCHOLOGICAL CORPORATION 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 0 7
THOMSON-CSF 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 7
COGNITIVE CONCEPTS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 2 1 6
EPOCH COMPANY LTD. 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
FORD MOTOR COMPANY 0 0 0 0 4 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
GIRAVIONS DORAND 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
HEALTH HERO NETWORK, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 0 0 6
HUGHES AIRCRAFT COMPANY 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 1 0 0 0 0 0 0 0 0 6
RICOS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 1 0 0 0 0 0 0 0 0 0 0 6
SAAB-SCANIA AKTIEBOLAG 0 0 1 0 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 6
TINKERS & CHANCE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 4 6
ALDERSON RESEARCH LABORATORIES, INC. 0 0 0 0 2 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
ASMUND S. LAERDAL A/S 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 0 0 0 5
AT&T CORP. 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 5
AUTOMATA CORPORATION 1 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BEAMHIT, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 4 0 5
BELL + HOWELL COMPANY 1 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
BENDIX CORPORATION(NOW ALLIED-SIGNAL INC.) 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
DORON PRECISION SYSTEMS INC. 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 5
EVANS & SUTHERLAND COMPUTER CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 1 0 0 0 0 0 5
GENERAL MOTORS CORPORATION 0 0 0 0 3 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
HASBRO, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 0 5
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 5
INNOVATIVE USA, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 2 1 0 5
KABUSHIKI KAISHA PILOT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 1 1 0 5
LORAL ELECTRO-OPTICAL SYSTEMS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MCGRAW-EDISON COMPANY 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
OERLIKON-CONTRAVES AG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 3 0 0 5
OHIO ART COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 2 0 0 0 0 0 0 0 0 0 0 5
RAYMOND LEE ORGANIZATION 0 0 0 1 2 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 5
ROCKWELL INTERNATIONAL CORPORATION 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 5
SIEMENS AKTIENGESELLSCHAFT 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5
SOUTHWEST RESEARCH INSTITUTE 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 0 0 5
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION 0 0 0 0 0 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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