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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 200, Electricity: Circuit Makers and Breakers

( 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 20 21 39 31 50 161
ALPS ELECTRIC CO., LTD. 12 22 21 18 13 86
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 5 16 12 18 14 65
EATON CORPORATION 20 1 12 9 11 53
GENERAL ELECTRIC COMPANY 10 11 20 3 3 47
AGILENT TECHNOLOGIES, INC. 0 1 0 0 35 36
TOKAI RIKA DENKI SEISAKUSHO K.K. 4 5 4 11 9 33
SIEMENS ENERGY & AUTOMATION, INC. 12 8 1 2 5 28
ITT MANUFACTURING ENTERPRISES, INC. 9 7 5 5 1 27
YAZAKI CORP. 3 5 5 7 5 25
NILES PARTS CO., LTD. 5 0 2 8 7 22
HON HAI PRECISION IND. CO., LTD. 12 3 1 2 3 21
MITSUBISHI DENKI KABUSHIKI KAISHA 2 4 6 5 3 20
SHIN JIUH CORP. 3 5 2 5 5 20
SIEMENS AKTIENGESELLSCHAFT 5 4 4 3 4 20
SCHNEIDER ELECTRIC SA 6 2 2 6 3 19
DELPHI TECHNOLOGIES, INC. 2 1 7 6 2 18
SQUARE D COMPANY 0 8 3 2 4 17
NEC CORPORATION 3 2 3 4 3 15
HONEYWELL INTERNATIONAL INC. 2 2 3 1 5 13
SILITEK CORPORATION 4 5 2 1 1 13
DARFON ELECTRONICS CORP. 0 1 4 5 2 12
HOSIDEN CORPORATION 1 1 3 5 1 11
LEAR CORPORATION 1 1 1 3 5 11
MARQUARDT GMBH 2 1 4 3 1 11
OMRON CORPORATION 0 2 4 1 4 11
DEFOND MANUFACTURING LIMITED 2 1 1 2 4 10
EMERSON ELECTRIC CO. 1 1 2 2 4 10
RELIANCE CONTROLS CORP. 3 0 0 6 1 10
SAMSUNG ELECTRONICS CO., LTD. 0 1 2 3 4 10
TRW AUTOMOTIVE ELECTRONICS & COMPONENTS GMBH & CO. KG 1 2 0 3 4 10
BROTHER KOGYO KABUSHIKI KAISHA 2 0 3 1 3 9
FUJI ELECTRIC CO., LTD. 0 1 1 6 1 9
MITSUMI ELECTRIC CO., LTD. 0 0 0 5 4 9
TEXAS INSTRUMENTS, INCORPORATED 3 3 1 2 0 9
TRW INC. 2 3 2 1 1 9
VALEO ELECTRICAL SYSTEMS, INC. 1 2 4 1 1 9
BLACK & DECKER INC. 3 1 1 3 0 8
FRANCE/SCOTT FETZER CO. 2 1 1 3 1 8
IDEC IZUMI CORPORATION 2 3 0 2 1 8
LEOPOLD KOSTAL GMBH & CO. KG 2 0 0 3 3 8
POLYMATECH CO., LTD. 0 2 1 1 4 8
BREED AUTOMOTIVE TECHNOLOGY, INC. 1 2 3 1 0 7
MOELLER GMBH 1 1 2 2 1 7
PREH-WERKE GMBH & CO. KG 2 2 1 2 0 7
SONY CORPORATION 2 1 0 2 2 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 2 1 1 2 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 2 0 0 0 4 6
MOTOROLA, INC. 0 1 1 1 3 6
NOKIA MOBILE PHONES LTD. 0 2 3 0 1 6
SAGAMI ELECTRIC CO., LTD. 1 2 0 2 1 6
ACER PERIPHERALS, INC. 4 1 0 0 0 5
AISIN SEIKI KABUSHIKI KAISHA 2 1 0 1 1 5
AUTONETWORKS TECHNOLOGIES, LTD. 0 0 1 3 1 5
CHICONY ELECTRONICS CO., LTD. 2 2 1 0 0 5
CITIZEN ELECTRONICS CO., LTD. 0 1 1 2 1 5
CROUZET AUTOMATISMES S.A. 2 0 2 1 0 5
DENSO CORPORATION 2 0 0 1 2 5
FUJITSU TAKAMISAWA COMPONENT LIMITED 1 0 2 1 1 5
HEWLETT-PACKARD COMPANY 1 1 3 0 0 5
HUBBELL INCORPORATED 1 1 1 1 1 5
ILLINOIS TOOL WORKS INC. 1 0 1 2 1 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 4 1 5
MASCHINENFABRIK REINHAUSEN GMBH 3 0 1 0 1 5
MAYTAG CORPORATION 0 1 2 2 0 5
METHODE ELECTRONICS, INC. 1 0 2 2 0 5
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 0 1 2 2 5
S&C ELECTRIC COMPNY 2 0 1 1 1 5
TAYLOR MADDOX TECHNICAL, INC. 2 0 2 1 0 5
THOMSON LICENSING S.A. 1 1 1 2 0 5
TRW AUTOMOTIVE SAFETY SYSTEMS GMBH & CO. KG 0 0 3 1 1 5
U.S. PHILIPS CORPORATION 3 2 0 0 0 5


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