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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 2001 - 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 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 21 39 31 50 41 182
ALPS ELECTRIC CO., LTD. 22 21 18 13 17 91
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 16 12 18 14 25 85
AGILENT TECHNOLOGIES, INC. 1 0 0 35 19 55
EATON CORPORATION 1 12 9 11 13 46
GENERAL ELECTRIC COMPANY 11 20 3 3 4 41
TOKAI RIKA DENKI SEISAKUSHO K.K. 5 4 11 9 6 35
YAZAKI CORP. 5 5 7 5 4 26
DELPHI TECHNOLOGIES, INC. 1 7 6 2 7 23
NILES PARTS CO., LTD. 0 2 8 7 5 22
SIEMENS ENERGY & AUTOMATION, INC. 8 1 2 5 6 22
ITT MANUFACTURING ENTERPRISES, INC. 7 5 5 1 2 20
SIEMENS AKTIENGESELLSCHAFT 4 4 3 4 4 19
MITSUBISHI DENKI KABUSHIKI KAISHA 4 6 5 3 0 18
SHIN JIUH CORP. 5 2 5 5 1 18
SQUARE D COMPANY 8 3 2 4 1 18
SCHNEIDER ELECTRIC SA 2 2 6 3 3 16
HONEYWELL INTERNATIONAL INC. 2 3 1 5 4 15
OMRON CORPORATION 2 4 1 4 4 15
LEAR CORPORATION 1 1 3 5 4 14
NEC CORPORATION 2 3 4 3 2 14
DARFON ELECTRONICS CORP. 1 4 5 2 0 12
EMERSON ELECTRIC CO. 1 2 2 4 3 12
HOSIDEN CORPORATION 1 3 5 1 2 12
MITSUMI ELECTRIC CO., LTD. 0 0 5 4 3 12
TRW AUTOMOTIVE ELECTRONICS & COMPONENTS GMBH & CO. KG 2 0 3 4 3 12
MARQUARDT GMBH 1 4 3 1 2 11
SAMSUNG ELECTRONICS CO., LTD. 1 2 3 4 1 11
DEFOND MANUFACTURING LIMITED 1 1 2 4 1 9
FUJI ELECTRIC CO., LTD. 1 1 6 1 0 9
HON HAI PRECISION IND. CO., LTD. 3 1 2 3 0 9
POLYMATECH CO., LTD. 2 1 1 4 1 9
SILITEK CORPORATION 5 2 1 1 0 9
DEFOND COMPONENTS LIMITED 0 0 0 4 4 8
LEVITON MANUFACTURING CO. INC. 0 2 0 0 6 8
RELIANCE CONTROLS CORP. 0 0 6 1 1 8
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 1 2 2 3 8
VALEO ELECTRICAL SYSTEMS, INC. 2 4 1 1 0 8
BLACK & DECKER INC. 1 1 3 0 2 7
BROTHER KOGYO KABUSHIKI KAISHA 0 3 1 3 0 7
FRANCE/SCOTT FETZER CO. 1 1 3 1 1 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 1 1 2 1 7
IDEC IZUMI CORPORATION 3 0 2 1 1 7
LEOPOLD KOSTAL GMBH & CO. KG 0 0 3 3 1 7
METHODE ELECTRONICS, INC. 0 2 2 0 3 7
MOELLER GMBH 1 2 2 1 1 7
TEXAS INSTRUMENTS, INCORPORATED 3 1 2 0 1 7
TRW INC. 3 2 1 1 0 7
ZIPPY TECHNOLOGY CORP. 0 0 0 4 3 7
BREED AUTOMOTIVE TECHNOLOGY, INC. 2 3 1 0 0 6
HUBBELL INCORPORATED 1 1 1 1 2 6
INTEL CORPORATION 0 0 2 2 2 6
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 0 0 0 4 2 6
MOTOROLA, INC. 1 1 1 3 0 6
NOKIA MOBILE PHONES LTD. 2 3 0 1 0 6
TRW AUTOMOTIVE SAFETY SYSTEMS GMBH & CO. KG 0 3 1 1 1 6
AUTONETWORKS TECHNOLOGIES, LTD. 0 1 3 1 0 5
CARLING TECHNOLOGIES, INC. 0 2 1 1 1 5
CITIZEN ELECTRONICS CO., LTD. 1 1 2 1 0 5
ILLINOIS TOOL WORKS INC. 0 1 2 1 1 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 4 1 0 5
LG ELECTRONICS INC. 1 0 1 1 2 5
MATSUSHITA ELECTRIC WORKS, LTD. 2 0 0 0 3 5
MAYTAG CORPORATION 1 2 2 0 0 5
PREH-WERKE GMBH & CO. KG 2 1 2 0 0 5
SAGAMI ELECTRIC CO., LTD. 2 0 2 1 0 5
SHIN-ETSU POLYMER CO., LTD. 1 1 1 0 2 5
SONY CORPORATION 1 0 2 2 0 5
VALEO SCHALTER UND SENSOREN GMBH 0 3 1 0 1 5


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Electronic Information Products Division - PTMB
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Alexandria VA 22313-1450

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fax: (571) 273-0110
email: oeip@uspto.gov

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