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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 335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets

( 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
GENERAL ELECTRIC COMPANY 16 37 22 16 16 107
EATON CORPORATION 15 33 14 13 15 90
~Individually Owned Patent 14 17 16 16 13 76
SIEMENS AKTIENGESELLSCHAFT 10 9 4 7 11 41
SIEMENS ENERGY & AUTOMATION, INC. 4 5 4 5 5 23
OMRON CORPORATION 3 1 5 1 6 16
SCHNEIDER ELECTRIC SA 2 2 6 4 2 16
FUJI ELECTRIC CO., LTD. 2 2 6 4 1 15
SQUARE D COMPANY 1 6 2 2 4 15
ROBERT BOSCH GMBH 1 2 2 3 5 13
DURASWITCH INDUSTRIES, INC. 4 1 3 3 1 12
MITSUBISHI DENKI KABUSHIKI KAISHA 1 3 3 2 3 12
DENSO CORPORATION 1 0 4 1 5 11
MATSUSHITA ELECTRIC WORKS, LTD. 2 3 3 1 2 11
HITACHI, LTD 1 2 1 3 3 10
SUMITOMO SPECIAL METAL COMPANY LIMITED 0 5 1 2 2 10
AGILENT TECHNOLOGIES, INC. 0 1 0 3 4 8
SIEMENS AUTOMOTIVE CORPORATION 5 0 1 1 1 8
TYCO ELECTRONICS LOGISTICS AG 1 3 1 1 2 8
UNITED STATES OF AMERICA, ARMY 3 2 1 2 0 8
DELPHI TECHNOLOGIES, INC. 0 0 1 2 4 7
MOELLER GMBH 0 2 3 0 2 7
SIEMENS ELECTROMECHANICAL COMPONENTS GMBH & CO. KG 6 1 0 0 0 7
FONAR CORPORATION, INC. 1 1 0 3 1 6
FUJITSU TAKAMISAWA COMPONENT LIMITED 0 0 3 0 3 6
HITACHI MEDICAL CORPORATION 2 0 1 1 2 6
NEC CORPORATION 2 1 2 1 0 6
SMC CORPORATION 0 1 0 4 1 6
ARIZONA STATE UNIVERSITY 0 0 2 2 1 5
FEV MOTORENTECHNIK GMBH & CO. KG 2 3 0 0 0 5
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC 0 0 0 3 2 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 3 1 1 5
TAKAMISAWA ELECTRIC CO., LTD. 0 2 0 2 1 5
THOMSON TUBES & DISPLAYS, S.A. 5 0 0 0 0 5
TYCO ELECTRONICS AMP, K.K. 0 0 1 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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