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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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 23 29 26 15 60 153
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 5 6 9 6 9 35
CAPSTONE TURBINE CORPORATION 2 4 3 4 6 19
DENSO CORPORATION 6 1 2 2 7 18
TOYOTA JIDOSHA K.K. 5 3 3 3 3 17
GENERAL ELECTRIC COMPANY 0 2 3 3 5 13
HITACHI, LTD 1 0 1 8 0 10
NISSAN MOTOR COMPANY, LIMITED 0 4 3 1 1 9
OCEAN POWER TECHNOLOGIES, INC. 0 3 0 1 4 8
COLEMAN POWERMATE, INC. 3 3 1 0 0 7
ALLIED-SIGNAL INC. 3 3 0 0 0 6
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 0 3 3 6
ILLINOIS TOOL WORKS INC. 1 0 1 1 3 6
MITSUBISHI DENKI KABUSHIKI KAISHA 1 4 1 0 0 6
ROBERT BOSCH GMBH 0 1 0 3 2 6
DANA CORPORATION 0 0 0 0 5 5
FORD GLOBAL TECHNOLOGIES, INC. 1 1 2 1 0 5
SIEMENS WESTINGHOUSE POWER CORPORATION 0 1 0 2 2 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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