Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 418, Rotary Expansible Chamber Devices

( 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 2006 2007 2008 2009 2010 Total
LG ELECTRONICS INC. 7 12 21 12 10 62
~INDIVIDUALLY OWNED PATENT 11 6 9 12 15 53
SANYO ELECTRIC CO., LTD. 4 5 8 15 2 34
ANEST IWATA CORPORATION 9 9 8 3 2 31
DAIKIN INDUSTRIES LIMITED 2 2 5 12 8 29
EMERSON CLIMATE TECHNOLOGIES, INC. 0 3 7 4 7 21
HITACHI, LTD 3 3 6 0 5 17
SCROLL TECHNOLOGIES, INC. 1 7 4 2 3 17
SAMSUNG ELECTRONICS CO., LTD. 3 5 1 1 4 14
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 4 5 2 1 13
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI 3 3 2 3 1 12
SANDEN CORPORATION 0 6 3 0 3 12
CARRIER CORPORATION 4 1 0 2 2 9
TECUMSEH PRODUCTS COMPANY 4 1 2 1 0 8
DENSO CORPORATION 1 3 1 1 1 7
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 0 2 2 3 7
1564330 ONTARIO, INC. 2 1 1 1 1 6
EATON CORPORATION 1 1 0 2 2 6
FUJITSU GENERAL LIMITED 1 0 2 0 3 6
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 1 0 0 2 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 3 1 1 1 6
ANSPACH EFFORT, INC. 1 2 0 2 0 5
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 1 4 5
NETZSCH-MOHNOPUMPEN-GMBH 3 0 1 1 0 5
TOSHIBA CARRIER CORPORATION 2 1 0 1 1 5
YAMADA MANUFACTURING CO., LTD. 1 0 2 2 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/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports