Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports


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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 19 26 22 26 21 114
KAWASAKI STEEL CORPORATION 13 23 25 9 0 70
GENERAL ELECTRIC COMPANY 8 10 23 22 6 69
NIPPON STEEL CORP. 11 6 20 19 5 61
ALCOA INC. 9 5 8 6 1 29
HENKEL CORPORATION 8 5 9 3 4 29
NSK LIMITED 6 6 7 7 3 29
SUMITOMO METAL INDUSTRIES CO., LTD. 4 4 9 4 6 27
HITACHI METALS LTD. 2 4 8 7 4 25
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 8 7 1 6 3 25
NKK CORPORATION 3 4 4 9 5 25
KOBE STEEL LTD. 3 6 4 7 4 24
SUMITOMO SPECIAL METAL COMPANY LIMITED 1 5 6 6 5 23
ALCAN INTERNATIONAL LIMITED 6 1 4 7 2 20
INTERNATIONAL BUSINESS MACHINES CORPORATION 7 3 4 4 1 19
JFE STEEL CORPORATION 0 0 0 0 19 19
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN(HENKEL KGAA) 2 2 4 5 3 16
HONEYWELL INTERNATIONAL INC. 0 1 6 4 5 16
SHIN ETSU CHEMICAL CO., LTD. 2 7 0 3 4 16
TOSHIBA CORPORATION 4 2 6 1 3 16
NATIONAL RESEARCH INSTITUTE FOR METALS 1 4 5 2 1 13
NIPPON MINING & METALS CO., LIMITED 2 1 5 4 1 13
SANDVIK AKTIEBOLAG 2 4 2 3 2 13
NISSHIN STEEL CO., LTD. 0 2 3 2 5 12
SMS SCHLOEMANN-SIEMAG AG 4 3 3 1 1 12
THYSSEN KRUPP STAHL AG 0 1 1 5 5 12
ALPS ELECTRIC CO., LTD. 2 5 2 1 1 11
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 4 0 3 3 11
NTN CORPORATION 1 3 4 1 2 11
PECHINEY RHENALU 3 2 2 2 2 11
DOWA MINING CO., LTD. 3 3 1 2 1 10
EXXONMOBIL UPSTREAM RESEARCH COMPANY 2 7 0 1 0 10
PRAXAIR S.T. TECHNOLOGY, INC. 1 3 3 1 2 10
SEIKO EPSON CORPORATION 1 0 2 6 1 10
TDK CORPORATION 2 2 4 0 2 10
ACCIAI SPECIALI TERNI S.P.A. 0 2 5 1 1 9
CORUS ALUMINIUM WALZPRODUKTE GMBH 1 3 3 1 1 9
DAIDO TOKUSHUKO, K.K. 4 1 2 1 1 9
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 0 3 3 3 0 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 4 3 0 0 9
NIPPON PAINT CO., LTD. 2 2 3 1 1 9
NISSAN MOTOR COMPANY, LIMITED 2 1 1 2 3 9
SOLLAC 2 2 2 0 3 9
ATI PROPERTIES, INC. 0 2 1 4 1 8
BOEING COMPANY 1 2 3 2 0 8
BRUSH WELLMAN INC. 3 2 1 2 0 8
FUJITSU LIMITED 2 0 4 2 0 8
FURUKAWA ELECTRIC CO., LTD. 1 1 2 3 1 8
GENERAL MOTORS CORPORATION 3 1 1 1 2 8
NORTHWESTERN UNIVERSITY 0 2 4 1 1 8
POHANG IRON & STEEL CO., LTD. 1 4 1 1 1 8
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 2 2 2 0 8
TOYOTA JIDOSHA K.K. 4 2 2 0 0 8
UNITED STATES OF AMERICA, NAVY 3 1 1 1 2 8
VACUUMSCHMEIZE GMBH 2 3 1 2 0 8
ALSTOM (SWITZERLAND) LTD 0 0 6 1 0 7
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 2 2 0 1 7
JAPAN SCIENCE AND TECHNOLOGY CORPORATION 1 1 1 4 0 7
MAZDA MOTOR CORPORATION 2 3 0 0 2 7
MITSUBISHI MATERIALS CORPORATION 3 2 0 0 2 7
REYNOLDS METALS COMPANY 0 2 3 2 0 7
SHOWA DENKO KABUSHIKI KAISHA 2 1 1 0 3 7
TOYO KOHAN CO., LTD. 1 3 1 2 0 7
UNION SIDERURGIGUE DU NORD ET DE L'EST DE LA FRANCE 2 1 2 1 1 7
UNITED TECHNOLOGIES CORPORATION 1 0 2 4 0 7
ADVANCED CARDIOVASCULAR SYSTEMS, INC. 1 1 1 1 2 6
AISIN SEIKI KABUSHIKI KAISHA 2 0 2 0 2 6
CALIFORNIA INSTITUTE OF TECHNOLOGY 1 0 0 3 2 6
DENSO CORPORATION 1 0 2 3 0 6
HERAEUS INCORPORATED 1 0 2 3 0 6
IMPHY UGINE PRECISION 2 1 1 2 0 6
INTEGRAN TECHNOLOGIES INC. 1 0 2 2 1 6
MICRON TECHNOLOGY, INC. 2 2 1 1 0 6
OLIN CORPORATION 2 1 1 1 1 6
SANYO ELECTRIC CO., LTD. 3 0 2 1 0 6
SANYO SPECIAL STEEL CO., LTD. 2 1 0 1 2 6
SIEMENS AKTIENGESELLSCHAFT 1 1 2 1 1 6
TODA KOGYO CORP. 1 1 2 0 2 6
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 1 1 4 0 6
UT-BATTELLE, LLC 0 2 1 2 1 6
CABOT CORPORATION 0 1 1 3 0 5
DAIDO METAL COMPANY 1 0 2 2 0 5
HAYNES INTERNATIONAL, INC. 0 1 0 4 0 5
ILLINOIS TOOL WORKS INC. 0 1 1 2 1 5
INCO ALLOYS INTERNATIONAL, INC. 1 2 1 1 0 5
KOMATSU LTD. 0 3 2 0 0 5
KOYO SEIKO COMPANY, LTD. 0 2 0 3 0 5
MITSUI MINING + SMELTING CO., LTD. 1 0 2 1 1 5
SILICON GENESIS CORPORATION 3 2 0 0 0 5
SMS DEMAG AKTIENGESELLSCHAFT 0 0 3 1 1 5
THYSSEN STAHL AG 2 3 0 0 0 5
USX CORPORATION 2 0 1 0 2 5
VOEST-ALPINE SCHIENEN GMBH 1 0 2 1 1 5
WATERBURY ROLLING MILLS, INC. 1 1 1 0 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/


Top

Skip menu navigation Home > Listing of Viewable PTMD Reports > Table of Contents for This Set of Reports