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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 463, Amusement Devices: Games

( 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 2004 2005 2006 2007 2008 Total
INTERNATIONAL GAME TECHNOLOGY (IGT) 94 93 68 86 117 458
~INDIVIDUALLY OWNED PATENT 43 47 39 43 47 219
KONAMI CO., LTD. 26 31 19 5 6 87
WALKER DIGITAL, LLC 13 15 14 14 18 74
WMS GAMING, INC. 9 8 15 9 32 73
NINTENDO CO., LTD. 12 11 12 11 13 59
SONY COMPUTER ENTERTAINMENT INC. 15 9 5 2 4 35
SIERRA DESIGN GROUP 10 11 6 2 4 33
ARUZE CORPORATION 4 2 5 9 11 31
MICROSOFT CORPORATION 4 3 4 6 9 26
SEGA ENTERPRISES, LTD. 10 6 5 1 3 25
ARISTOCRAT TECHNOLOGIES AUSTRALIA PTY LTD. 9 4 4 3 4 24
KABUSHIKI KAISHA SQUARE ENIX 11 5 5 1 0 22
NAMCO LIMITED 8 5 4 1 0 18
ATLANTIC CITY COIN & SLOT SERVICE COMPANY, INC. 5 2 1 5 4 17
BALLY GAMING, INC. 1 2 1 3 10 17
MIKOHN GAMING CORPORATION 5 7 4 0 0 16
ARUZE CO., LTD. 1 0 3 5 6 15
ATRONIC INTERNATIONAL GMBH 2 1 2 2 7 14
MULTIMEDIA GAMES, INC. 2 3 2 3 3 13
ACRES GAMING, INC. 5 3 4 0 0 12
KONAMI COMPUTER ENTERTAINMENT OSAKA, INC. 2 3 3 4 0 12
NOKIA CORPORATION 2 5 2 2 0 11
KONAMI GAMING, INC. 1 2 0 4 3 10
NAMCO BANDAI GAMES, INC. 0 0 2 3 5 10
ODS PROPERTIES, INC. 2 4 0 3 1 10
SEGA CORPORATION 2 2 2 2 2 10
SONY COMPUTER ENTERTAINMENT AMERICA INC. 6 0 2 0 2 10
BALLY GAMING INTERNATIONAL, INC. 1 3 2 0 3 9
PROGRESSIVE GAMING INTERNATIONAL CORP. 0 0 2 7 0 9
MATTEL INC. 1 0 0 3 4 8
SILVERBROOK RESEARCH PTY. LTD 1 0 5 1 1 8
SONY CORPORATION 3 3 2 0 0 8
ARISTOCRAT TECHNOLOGIES, INC. 1 3 2 1 0 7
CASE VENTURE MANAGEMENT, LLC 2 0 2 2 1 7
DRAGON CO., LTD 0 3 0 2 2 7
GAMEACCOUNT LIMITED 0 6 1 0 0 7
KABUSHIKI KAISHA SEGA. 1 0 3 1 2 7
LABTRONIX CONCEPT INC. 3 1 0 2 1 7
SCIENTIFIC GAMES ROYALTY CORPORATION 2 0 3 2 0 7
SHUFFLE MASTER, INC. 0 1 0 2 4 7
ARISTA ENTERPRISES INC. 2 1 0 1 1 5
CASINO DATA SYSTEMS 3 2 0 0 0 5
COLE INDUSTRIES, INC. 0 1 2 2 0 5
COLEPAT, LLC 1 1 2 1 0 5
CYBERSCAN TECHNOLOGY, INC. 0 5 0 0 0 5
ELECTRONIC ARTS INC. 1 1 1 1 1 5
HARRAH'S OPERATING COMPANY, INC. 0 1 1 0 3 5
KCEO INC. 3 1 0 1 0 5
NINTENDO OF AMERICA INC. 3 2 0 0 0 5
SSD COMPANY LIMITED 0 1 0 1 3 5
TOPCODER, INC. 2 0 1 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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