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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
TDK CORPORATION 4 12 10 6 4 36
MURATA MANUFACTURING CO., LTD. 3 5 4 5 7 24
EPCOS AG 1 0 10 6 4 21
ROHM CO., LTD. 2 9 5 2 2 20
PANASONIC CORPORATION 3 4 4 3 1 15
~INDIVIDUALLY OWNED PATENT 0 5 5 2 3 15
POLYTRONICS TECHNOLOGY CORPORATION 0 3 1 2 8 14
VISHAY DALE ELECTRONICS, INC. 0 1 1 5 3 10
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 2 3 0 7
KULITE SEMICONDUCTOR PRODUCTS INC. 0 1 1 1 4 7
ANALOG DEVICES, INC. 2 1 1 1 1 6
KOA CORPORATION 0 2 0 2 2 6
SAMSUNG ELECTRONICS CO., LTD. 1 1 0 0 4 6
HITACHI, LTD 0 0 3 2 0 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 1 4 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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