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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 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 181, Acoustics

( 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 53 31 35 42 22 183
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 3 2 4 2 13
SCHLUMBERGER TECHNOLOGY CORPORATION 0 3 3 2 3 11
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 1 3 2 1 9
NISSAN MOTOR COMPANY, LIMITED 2 1 1 2 2 8
OWENS-CORNING FIBERGLAS CORPORATION 3 2 1 2 0 8
PIONEER CORPORATION 0 0 2 0 6 8
PHONAK AG 0 0 2 3 2 7
3M INNOVATIVE PROPERTIES COMPANY 2 1 0 1 2 6
UNITED STATES OF AMERICA, NAVY 3 0 1 2 0 6
AIRBUS FRANCE 0 0 0 2 3 5
AWI LICENSING COMPANY 0 0 3 1 1 5
BAKER HUGHES INCORPORATED 1 1 0 2 1 5
DANA CORPORATION 1 0 0 2 2 5
DONALDSON COMPANY, INC. 1 1 2 1 0 5
HALLIBURTON ENERGY SERVICES, INC. 2 0 2 0 1 5
KOMATSU LTD. 0 2 1 1 1 5
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 1 0 2 1 5
MULTI SERVICE CORPORATION 0 0 3 2 0 5
SIEMENS VDO AUTOMOTIVE, INC. 0 0 0 0 5 5
SONIC INNOVATIONS, INC. 2 1 2 0 0 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/


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