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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 1969 - 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 322, Electricity: Single Generator Systems

( 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 Total
~Individually Owned Patent 6 1 5 5 4 8 7 4 8 6 3 7 10 4 7 10 7 3 9 5 3 4 4 3 5 4 1 4 5 5 2 3 6 1 3 2 3 177
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 2 1 0 0 1 0 1 0 0 1 1 2 2 7 4 5 6 8 2 6 4 5 6 1 3 7 7 0 3 2 7 5 1 4 5 109
ROBERT BOSCH GMBH 7 2 6 2 3 0 3 1 1 5 3 2 1 3 5 1 0 0 0 0 0 0 2 4 2 3 0 2 0 0 1 3 4 5 0 3 1 75
NIPPONDENSO CO., LTD. 0 0 2 1 3 1 0 3 2 2 1 1 8 5 1 2 1 0 3 0 1 0 2 1 2 3 1 3 7 15 1 0 0 0 0 0 0 72
SUNDSTRAND CORPORATION 0 0 0 0 0 0 0 0 1 0 1 0 2 1 0 4 3 2 4 3 0 5 14 2 2 5 1 11 3 4 1 1 0 0 0 0 0 70
GENERAL ELECTRIC COMPANY 1 3 2 3 2 1 1 2 2 1 0 1 2 3 1 1 0 0 1 1 1 0 1 0 0 2 2 1 2 0 1 0 3 0 1 1 4 47
GENERAL MOTORS CORPORATION 4 5 6 2 1 0 0 3 3 0 0 1 1 4 0 1 1 3 3 0 1 0 0 0 2 0 0 1 1 1 0 0 0 0 0 0 1 45
HITACHI, LTD 0 0 0 0 3 1 2 1 2 1 0 0 1 1 0 2 0 2 2 2 2 0 2 2 3 0 2 3 1 4 2 1 1 0 0 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 0 2 5 0 5 9 18 3 42
MOTOROLA, INC. 2 4 3 6 0 0 1 0 0 0 0 0 0 4 5 1 1 3 1 0 1 2 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 37
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 3 1 0 0 0 2 2 0 0 0 3 4 3 2 2 1 2 3 0 33
WESTINGHOUSE ELECTRIC CORP. 1 0 1 2 0 1 5 1 3 1 1 0 0 2 0 2 1 0 0 0 0 3 2 1 1 1 0 2 0 0 0 0 0 0 0 0 0 31
LUCAS INDUSTRIES PUBLIC LTD. COMPANY 5 5 5 0 3 0 0 0 1 2 0 2 2 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 30
KOKUSAN DENKI CO., LTD 0 0 0 0 1 0 0 3 0 0 2 0 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 0 3 0 0 0 1 1 16
VALEO EQUIPEMENTS ELECTRIQUES MOTEUR 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 0 1 0 0 1 5 0 1 0 2 0 16
DELPHI 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 2 3 3 5 1 14
FORD MOTOR COMPANY 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 2 0 0 0 0 0 0 1 1 1 1 0 2 2 1 0 0 0 0 0 0 0 14
SIEMENS AKTIENGESELLSCHAFT 0 3 3 0 0 1 1 0 0 1 0 0 0 0 2 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 13
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 1 1 4 2 0 0 1 0 0 9
LUCAS ELECTRICAL CO., LIMITED 0 0 0 0 0 4 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 9
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 1 0 0 0 0 0 1 0 0 2 1 0 0 0 0 1 1 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 9
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 6 8
SAWAFUJI ELECTRIC COMPANY, LTD. 0 0 0 1 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 8
KOHLER CO. 0 1 0 2 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 0 0 0 0 0 0 2 0 7
NISSAN MOTOR COMPANY, LIMITED 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 7
TOYOTA JIDOSHA K.K. 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 1 0 0 7
ALLIED-SIGNAL INC. 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 1 2 1 0 0 1 0 0 0 0 0 0 6
BASLER ELECTRIC COMPANY 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
BORG-WARNER CORPORATION 0 0 0 0 0 1 0 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 6
BRUNSWICK CORPORATION 0 0 0 0 1 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
MARELLI AUTRONICA S.P.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 3 1 1 0 0 0 0 0 0 0 0 0 0 0 6
SATCON TECHNOLOGY 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 0 3 2 0 0 0 6
TOSHIBA CORPORATION 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 0 0 1 1 0 0 0 0 0 1 0 6
UNISYS CORPORATION 2 0 1 1 0 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 0 0 6
ELECTRIC MACHINERY MANUFACTURING COMPANY 1 1 0 0 2 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 5
R. E. PHELON COMPANY, INC. 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 5
TECUMSEH PRODUCTS COMPANY 0 0 0 0 0 0 0 0 0 0 1 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5


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Electronic Information Products Division - PTMB
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