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

Patenting In Technology Classes,
Breakout By Organization

Count of 2011 - 2015 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 409, Gear Cutting, Milling, or Planing

( 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 2011 2012 2013 2014 2015 Total
~INDIVIDUALLY OWNED PATENT 7 3 6 9 9 34
KENNAMETAL INC. 2 2 3 5 5 17
BOEING COMPANY 2 0 3 3 2 10
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 0 2 2 4 9
OKUMA CORP. 0 0 1 3 5 9
GLEASON WORKS 0 1 0 0 7 8
HY-KO PRODUCTS COMPANY 1 2 1 2 2 8
KYOCERA CORPORATION 0 0 2 5 1 8
MAKINO MILLING MACHINE CO., LTD. 2 0 1 2 3 8
JTEKT CORPORATION 2 1 2 2 0 7
KLINGELNBERG AG 0 0 1 3 3 7
TSUDAKOMA INDUSTRIAL CO., LTD. 1 1 3 1 1 7
YAMAZAKI MAZAK CORPORATION 3 0 0 2 2 7
MORI SEIKI CO., LTD. 2 1 1 1 0 5
ROBERT BOSCH GMBH 3 0 1 1 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/reports.htm
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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