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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 152, Resilient Tires and Wheels

( 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
SUMITOMO RUBBER INDUSTRIES, LTD. 33 20 26 28 25 132
GOODYEAR TIRE + RUBBER COMPANY 22 28 23 15 20 108
MICHELIN RECHERCHE ET TECHNIQUE S.A. 25 19 7 13 17 81
YOKOHAMA RUBBER CO., LTD. 7 9 21 25 13 75
BRIDGESTONE CORPORATION 13 8 10 19 22 72
~INDIVIDUALLY OWNED PATENT 12 11 10 12 11 56
TOYO TIRE & RUBBER CO., LTD. 3 3 4 1 12 23
PIRELLI PNEUMATICI S.P.A. 5 4 4 1 4 18
BRIDGESTONE AMERICAS TIRE OPERATIONS, LLC 0 0 1 3 5 9
CONTINENTAL AKTIENGESELLSCHAFT 1 1 3 1 2 8
BRIDGESTONE/FIRESTONE NORTH AMERICAN TIRE, LLC 1 5 1 0 0 7
HUTCHINSON 1 1 1 0 2 5
MILLIKEN & COMPANY 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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