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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2008 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 290, Prime-Mover Dynamo Plants

( 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 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 9 19 23 15 16 13 18 29 22 29 21 34 58 48 35 41 29 22 23 21 16 7 9 10 7 12 23 8 7 22 13 23 29 26 15 60 47 64 59 79 1061
GENERAL ELECTRIC COMPANY 1 1 6 0 1 1 4 3 2 1 2 1 3 2 0 5 2 0 4 1 2 0 0 1 0 2 0 0 2 0 2 0 2 3 3 5 11 13 16 21 123
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 3 1 6 10 15 12 11 4 1 1 0 3 3 0 1 4 1 0 0 2 1 2 3 90
WESTINGHOUSE ELECTRIC CORP. 0 1 1 0 2 1 8 4 3 5 1 8 8 5 1 2 2 0 2 1 0 0 0 1 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 59
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 1 2 1 1 3 0 0 1 0 0 0 0 0 0 2 5 6 9 6 9 5 2 0 1 54
HITACHI, LTD 0 0 0 1 1 0 1 1 0 1 0 2 2 0 0 3 1 1 1 1 2 2 0 1 1 0 0 0 2 1 1 1 0 1 8 0 1 7 6 3 53
GENERAL MOTORS CORPORATION 3 2 4 2 2 1 1 0 1 0 0 0 0 0 1 1 2 0 2 2 2 3 0 0 1 1 1 0 0 3 0 0 2 0 1 1 0 4 2 0 45
DENSO 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 3 6 6 1 2 2 7 5 2 3 7 44
TOYOTA JIDOSHA K.K. 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 1 1 0 3 7 5 3 3 3 3 2 0 4 2 42
NIPPONDENSO CO., LTD. 0 0 0 0 0 0 2 2 0 0 0 0 0 0 0 4 0 0 0 1 1 0 0 0 0 0 0 4 3 8 0 0 0 0 0 0 0 0 0 0 25
CAPSTONE TURBINE 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 0 2 4 3 4 6 4 0 0 0 23
NISSAN MOTOR COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 4 3 1 1 3 3 0 0 22
SIEMENS AKTIENGESELLSCHAFT 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 2 2 1 2 2 18
ROBERT BOSCH GMBH 0 1 0 2 0 1 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 3 2 0 2 0 1 17
UNITED TECHNOLOGIES CORPORATION 0 0 0 1 1 0 0 0 0 0 2 2 1 1 1 1 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 17
HONEYWELL INTERNATIONAL 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 0 1 1 1 4 4 5 16
SPRINT COMMUNICATIONS 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 0 0 4 4 6 2 16
SUNDSTRAND CORPORATION 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 5 3 1 2 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 16
OCEAN POWER TECHNOLOGIES, 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 3 0 1 4 1 1 1 3 14
CATERPILLAR INC. 1 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 2 1 13
UNITED STATES OF AMERICA, NAVY 1 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 0 1 0 0 12
FORD GLOBAL TECHNOLOGIES, L.L.C. 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 3 3 2 1 2 0 11
HAMILTON SUNDSTRAND 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 0 1 1 1 0 1 2 2 3 0 11
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 2 0 0 0 3 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 10
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA 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 1 1 0 0 0 0 0 0 0 0 0 1 2 3 1 1 0 10
ALLIED-SIGNAL INC. 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 1 0 0 0 0 0 3 3 0 0 0 0 0 0 0 9
VESTAS WIND SYSTEMS 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 0 0 0 0 0 0 0 0 0 0 1 0 5 2 0 1 9
FORD MOTOR COMPANY 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 3 0 0 0 0 0 8
ILLINOIS TOOL WORKS 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 0 1 1 3 1 1 0 0 8
KOKUSAN DENKI 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 0 0 0 0 0 1 2 0 1 0 0 3 1 8
ACCESS BUSINESS GROUP INTERNATIONAL 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 0 0 0 1 2 2 1 1 7
COLEMAN POWERMATE, 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 3 3 1 0 0 0 0 0 0 7
DANA 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 0 0 0 0 0 5 1 1 0 0 7
FORD GLOBAL TECHNOLOGIES, 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 1 1 1 2 1 0 0 0 0 0 7
MITSUBISHI HEAVY INDUSTRIES, 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 0 0 0 0 0 0 0 0 0 0 1 2 4 7
BOEING COMPANY 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
CHRYSLER MOTORS 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 0 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 6
DEERE + COMPANY 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 0 0 1 0 1 4 6
ELLIOTT ENERGY 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 0 0 0 0 0 0 4 2 0 0 6
ESCHER WYSS LIMITED 0 0 0 0 0 0 0 0 1 2 0 0 1 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 6
FACET ENTERPRISES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
LOCKHEED CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 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 6
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 0 0 0 0 0 0 0 0 1 3 1 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 6
AISIN AW 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 0 0 0 1 1 0 1 1 0 1 0 0 0 5
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 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 0 0 0 1 1 0 5
FUJI JUKOGYO KABUSHIKI KAISHA 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 1 1 0 0 0 2 5
HALLIBURTON ENERGY SERVICES, 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 0 1 2 0 0 2 0 5
HYUNDAI MOTOR COMPANY 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 0 1 2 1 0 1 5
ISUZU MOTORS LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
ORMAT TURBINES (1965) LTD. 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SANKYO SEIKI MFG. 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 0 0 0 0 0 0 0 2 1 1 1 0 0 5
SIEMENS WESTINGHOUSE POWER 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 0 0 1 0 2 2 0 0 0 0 5
SUZUKI MOTOR 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 0 0 0 4 0 0 0 1 0 0 5
U.S. WINDPOWER, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
VALMONT INDUSTRIES 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 1 0 3 0 1 0 0 0 5



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