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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 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 2001 2002 2003 2004 2005 Total
GOODYEAR TIRE + RUBBER COMPANY 27 55 45 25 34 186
BRIDGESTONE CORPORATION 35 32 25 29 15 136
SUMITOMO RUBBER INDUSTRIES, LTD. 31 21 36 26 10 124
MICHELIN RECHERCHE ET TECHNIQUE S.A. 5 16 30 18 25 94
~Individually Owned Patent 17 13 21 13 12 76
YOKOHAMA RUBBER CO., LTD. 7 9 10 7 13 46
COMPAGNIE GENERALE DES ESTABLISSEMENTS MICHELIN-MICHELIN & CIE 6 18 9 3 1 37
PIRELLI PNEUMATICI S.P.A. 4 9 3 12 7 35
CONTINENTAL AKTIENGESELLSCHAFT 2 6 10 4 2 24
BRIDGESTONE/FIRESTONE NORTH AMERICAN TIRE, LLC 0 10 4 5 4 23
PIRELLI COORDINAMENTO PNEUMATICI S.P.A. 6 1 3 1 0 11
DUNLOP GMBH 0 2 3 3 1 9
TOYO TIRE & RUBBER CO., LTD. 3 2 1 1 0 7
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 0 1 3 1 6
EXXONMOBIL CHEMICAL PATENTS INC. 0 1 1 0 3 5


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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