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

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 338, Electrical Resistors

( 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 2005 2006 2007 2008 2009 Total
ROHM COMPANY LIMITED 4 4 4 7 2 21
MURATA MANUFACTURING CO., LTD. 3 8 2 1 3 17
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 5 3 5 1 0 14
TDK CORPORATION 1 2 1 4 4 12
CTS CORPORATION 3 4 0 0 1 8
EPCOS AG 2 4 1 0 1 8
ALPS ELECTRIC CO., LTD. 3 1 1 2 0 7
HONEYWELL INTERNATIONAL INC. 1 4 1 0 1 7
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 4 0 1 6
LITTELFUSE, INC. 1 2 2 0 1 6
POLYTRONICS TECHNOLOGY CORPORATION 0 1 2 3 0 6
AGILENT TECHNOLOGIES, INC. 0 3 1 1 0 5
ROBERT BOSCH GMBH 1 3 0 0 1 5
VISHAY DALE ELECTRONICS, INC. 0 3 2 0 0 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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