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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
NIPPON STEEL CORP. 3 11 12 32 31 89
JFE STEEL CORPORATION 4 6 12 10 13 45
SUMITOMO METAL INDUSTRIES CO., LTD. 3 9 4 14 11 41
HITACHI METALS LTD. 1 3 10 10 10 34
~INDIVIDUALLY OWNED PATENT 4 9 10 6 4 33
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 2 12 4 9 5 32
GENERAL ELECTRIC COMPANY 4 3 6 10 8 31
UNITED TECHNOLOGIES CORPORATION 3 2 2 10 10 27
SHIN ETSU CHEMICAL CO., LTD. 4 1 7 2 8 22
ATI PROPERTIES, INC. 2 1 7 2 5 17
TDK CORPORATION 6 5 1 3 2 17
SUMITOMO ELECTRIC INDUSTRIES, LTD. 1 1 5 5 4 16
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 3 2 6 2 15
NEOMAX CO., LTD. 10 5 0 0 0 15
VACUUMSCHMELZE GMBH & CO. KG 0 1 3 1 7 12
HITACHI, LTD 3 2 2 1 3 11
KOMATSU LTD. 1 1 3 3 3 11
ALCAN RHENALU 2 0 2 5 1 10
CALIFORNIA INSTITUTE OF TECHNOLOGY 1 1 2 2 4 10
ALCOA INC. 1 3 3 1 1 9
ALERIS ALUMINUM KOBLENZ GMBH 0 1 3 2 3 9
CABOT CORPORATION 1 3 3 1 1 9
NIPPON MINING & METALS CO., LIMITED 1 1 2 5 0 9
NUCOR CORPORATION 1 1 4 0 3 9
UNION SIDERURGIGUE DU NORD ET DE L'EST DE LA FRANCE 0 5 2 1 1 9
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 1 2 1 4 8
JAPAN SCIENCE AND TECHNOLOGY AGENCY 1 3 1 1 2 8
NATIONAL INSTITUTE FOR MATERIALS SCIENCE 1 1 1 2 3 8
TOSHIBA CORPORATION 0 0 2 4 2 8
BOEING COMPANY 1 2 0 3 1 7
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA) 1 1 2 2 1 7
JX NIPPON MINING & METALS CORPORATION 0 0 0 0 7 7
ALSTOM TECHNOLOGY LTD 3 0 1 1 1 6
CATERPILLAR INC. 2 0 1 1 2 6
DAIDO STEEL COMPANY LIMITED 0 1 1 2 2 6
HONEYWELL INTERNATIONAL INC. 0 0 1 5 0 6
NISSAN MOTOR COMPANY, LIMITED 1 2 2 1 0 6
NTN CORPORATION 1 0 1 1 3 6
SHOWA DENKO KABUSHIKI KAISHA 2 1 1 2 0 6
BOSTON SCIENTIFIC SCIMED, INC. 0 2 1 1 1 5
DENSO CORPORATION 3 0 0 2 0 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 0 0 3 0 5
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 1 3 0 1 0 5
THE NANOSTEEL COMPANY, INC. 1 0 1 0 3 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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