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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 148, Metal Treatment

( 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 26 22 26 21 8 103
GENERAL ELECTRIC COMPANY 10 23 22 6 11 72
NIPPON STEEL CORP. 6 20 19 5 12 62
KAWASAKI STEEL CORPORATION 23 25 9 0 0 57
SUMITOMO METAL INDUSTRIES CO., LTD. 4 9 4 6 6 29
HITACHI METALS LTD. 4 8 7 4 3 26
JFE STEEL CORPORATION 0 0 0 19 6 25
ALCOA INC. 5 8 6 1 4 24
HENKEL CORPORATION 5 9 3 4 2 23
HONEYWELL INTERNATIONAL INC. 1 6 4 5 7 23
NSK LIMITED 6 7 7 3 0 23
NKK CORPORATION 4 4 9 5 0 22
SUMITOMO SPECIAL METAL COMPANY LIMITED 5 6 6 5 0 22
KOBE STEEL LTD. 6 4 7 4 0 21
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 1 6 3 3 20
SHIN ETSU CHEMICAL CO., LTD. 7 0 3 4 2 16
ALCAN INTERNATIONAL LIMITED 1 4 7 2 1 15
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN(HENKEL KGAA) 2 4 5 3 1 15
INTERNATIONAL BUSINESS MACHINES CORPORATION 3 4 4 1 1 13
THYSSEN KRUPP STAHL AG 1 1 5 5 1 13
NATIONAL RESEARCH INSTITUTE FOR METALS 4 5 2 1 0 12
NISSHIN STEEL CO., LTD. 2 3 2 5 0 12
SANDVIK AKTIEBOLAG 4 2 3 2 1 12
SEIKO EPSON CORPORATION 0 2 6 1 3 12
TOSHIBA CORPORATION 2 6 1 3 0 12
NIPPON MINING & METALS CO., LIMITED 1 5 4 1 0 11
PECHINEY RHENALU 2 2 2 2 3 11
MITSUBISHI HEAVY INDUSTRIES, LTD. 4 0 3 3 0 10
NISSAN MOTOR COMPANY, LIMITED 1 1 2 3 3 10
NTN CORPORATION 3 4 1 2 0 10
PRAXAIR S.T. TECHNOLOGY, INC. 3 3 1 2 1 10
UNITED TECHNOLOGIES CORPORATION 0 2 4 0 4 10
ACCIAI SPECIALI TERNI S.P.A. 2 5 1 1 0 9
ALPS ELECTRIC CO., LTD. 5 2 1 1 0 9
CORUS ALUMINIUM WALZPRODUKTE GMBH 3 3 1 1 1 9
DOWA MINING CO., LTD. 3 1 2 1 2 9
EXXONMOBIL UPSTREAM RESEARCH COMPANY 7 0 1 0 1 9
FURUKAWA ELECTRIC CO., LTD. 1 2 3 1 2 9
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 3 3 3 0 0 9
ATI PROPERTIES, INC. 2 1 4 1 0 8
BOEING COMPANY 2 3 2 0 1 8
GENERAL MOTORS CORPORATION 1 1 1 2 3 8
NORTHWESTERN UNIVERSITY 2 4 1 1 0 8
SMS SCHLOEMANN-SIEMAG AG 3 3 1 1 0 8
SOLLAC 2 2 0 3 1 8
TDK CORPORATION 2 4 0 2 0 8
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 1 4 0 2 8
ALSTOM (SWITZERLAND) LTD 0 6 1 0 0 7
CABOT CORPORATION 1 1 3 0 2 7
DAIDO TOKUSHUKO, K.K. 1 2 1 1 2 7
DENSO CORPORATION 0 2 3 0 2 7
FUJITSU LIMITED 0 4 2 0 1 7
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 4 3 0 0 0 7
NIPPON PAINT CO., LTD. 2 3 1 1 0 7
POHANG IRON & STEEL CO., LTD. 4 1 1 1 0 7
REYNOLDS METALS COMPANY 2 3 2 0 0 7
SIEMENS AKTIENGESELLSCHAFT 1 2 1 1 2 7
TOYO KOHAN CO., LTD. 3 1 2 0 1 7
UNION SIDERURGIGUE DU NORD ET DE L'EST DE LA FRANCE 1 2 1 1 2 7
DAIDO METAL COMPANY 0 2 2 0 2 6
HAYNES INTERNATIONAL, INC. 1 0 4 0 1 6
JAPAN SCIENCE AND TECHNOLOGY CORPORATION 1 1 4 0 0 6
KOMATSU LTD. 3 2 0 0 1 6
KOYO SEIKO COMPANY, LTD. 2 0 3 0 1 6
SHOWA DENKO KABUSHIKI KAISHA 1 1 0 3 1 6
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 2 2 0 0 6
UT-BATTELLE, LLC 2 1 2 1 0 6
VACUUMSCHMEIZE GMBH 3 1 2 0 0 6
ADVANCED CARDIOVASCULAR SYSTEMS, INC. 1 1 1 2 0 5
BRUSH WELLMAN INC. 2 1 2 0 0 5
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 0 3 2 0 5
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 2 0 1 0 5
HERAEUS INCORPORATED 0 2 3 0 0 5
ILLINOIS TOOL WORKS INC. 1 1 2 1 0 5
INTEGRAN TECHNOLOGIES INC. 0 2 2 1 0 5
MAZDA MOTOR CORPORATION 3 0 0 2 0 5
MICRON TECHNOLOGY, INC. 2 1 1 0 1 5
NATIONAL INSTITUTE FOR MATERIALS SCIENCE 0 0 1 2 2 5
SENJU METAL INDUSTRY CO. LTD. 0 2 1 1 1 5
SKF ENGINEERING AND RESEARCH CENTRE, B.V. 0 2 2 0 1 5
SMS DEMAG AKTIENGESELLSCHAFT 0 3 1 1 0 5
TODA KOGYO CORP. 1 2 0 2 0 5
UNITED STATES OF AMERICA, NAVY 1 1 1 2 0 5
VISTEON GLOBAL TECHNOLOGIES, INC. 0 4 0 0 1 5


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Alexandria VA 22313-1450

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