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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 1998 - 2002 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 075, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures

( 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 17 14 14 27 25 97
VOEST-ALPINE INDUSTRIEANLAGENBAU GESELLSCHAFT M.B.H. 2 10 5 16 6 39
KAWASAKI STEEL CORPORATION 6 4 4 5 5 24
TECHNOLOGICAL RESOURCES PTY, LTD. 1 1 3 5 11 21
HOLDERBANK FINANCIERE GLARUS AG. 1 3 5 7 3 19
KOBE STEEL LTD. 0 1 5 10 2 18
SANDVIK AKTIEBOLAG 0 4 2 7 5 18
HOGANAS AB 0 4 2 2 5 13
NIPPON STEEL CORP. 1 3 3 3 3 13
POHANG IRON & STEEL CO., LTD. 3 2 1 4 1 11
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 5 1 1 1 11
BETHLEHEM STEEL CORPORATION 1 2 3 2 2 10
MITSUI MINING + SMELTING CO., LTD. 0 2 2 2 4 10
PRAXAIR TECHNOLOGY, INC. 1 2 3 3 1 10
DEUTSCHE VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH 0 0 0 7 2 9
GENERAL ELECTRIC COMPANY 0 0 0 3 6 9
HERMANN C. STARCK GMBH & CO. KG 1 1 4 2 1 9
HITACHI METALS LTD. 3 1 2 2 1 9
MANNESMANN AG 2 2 2 3 0 9
HITACHI POWDERED METALS CO., LTD. 3 1 0 3 1 8
GEOBIOTICS, INC. 3 0 3 0 1 7
HYLSA, S.A. DE C.V. 0 1 2 2 2 7
MIDREX INTERNATIONAL BV ROTTERDAM, ZURICH BRANCH 1 0 1 3 2 7
TOHO TITANIUM COMPANY LIMITED 0 0 0 2 5 7
UNITED STATES OF AMERICA, NAVY 1 2 1 1 2 7
CABOT CORPORATION 1 2 1 0 2 6
DAIDO TOKUSHUKO, K.K. 0 2 2 0 2 6
HOEGANAES CORPORATION 2 0 2 0 2 6
LTV STEEL COMPANY, INC. 1 4 1 0 0 6
MAUMEE RESEARCH & ENGINEERING INC. 1 2 0 1 2 6
PAUL WURTH S.A. 0 0 0 1 5 6
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 3 1 0 0 6
BARRICK GOLD CORPORATION 1 0 2 0 2 5
BETZDEARBORN INC. 0 0 2 1 2 5
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 0 1 3 0 1 5
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 2 0 1 1 5
NIPPON MINING & METALS CO., LIMITED 2 2 0 0 1 5
NIPPON PISTON RING CO., LTD. 1 3 1 0 0 5
NKK CORPORATION 0 0 3 1 1 5
SHIN ETSU CHEMICAL CO., LTD. 0 3 0 0 2 5
SMITH INTERNATIONAL INC. 0 1 0 2 2 5


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