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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
INTERNATIONAL GAME TECHNOLOGY (IGT) 12 27 63 94 93 289
~Individually Owned Patent 63 52 58 43 47 263
KONAMI CO., LTD. 23 35 48 26 31 163
WALKER DIGITAL, LLC 30 14 19 13 15 91
NINTENDO CO., LTD. 28 22 12 12 11 85
SEGA ENTERPRISES, LTD. 18 19 19 10 6 72
SONY COMPUTER ENTERTAINMENT INC. 5 12 15 15 9 56
WMS GAMING, INC. 8 7 16 9 8 48
NAMCO LIMITED 10 13 11 8 5 47
SQUARE CO., LTD. 11 19 7 0 0 37
SIERRA DESIGN GROUP 0 2 7 10 11 30
MIKOHN GAMING CORPORATION 5 4 8 5 7 29
ARUZE CORPORATION 11 6 5 4 2 28
ARISTOCRAT TECHNOLOGIES AUSTRALIA PTY LTD. 4 2 5 9 4 24
ACRES GAMING, INC. 6 6 3 5 3 23
KABUSHIKI KAISHA SQUARE ENIX 0 0 3 11 4 18
MINDPLAY LLC 0 0 12 3 0 15
ATLANTIC CITY COIN & SLOT SERVICE COMPANY, INC. 0 2 4 5 2 13
SHUFFLE MASTER, INC. 4 5 3 0 1 13
NOKIA CORPORATION 1 0 4 2 5 12
MULTIMEDIA GAMES, INC. 2 1 3 2 3 11
CASINO DATA SYSTEMS 1 1 3 3 2 10
MICROSOFT CORPORATION 0 0 2 4 3 9
ODS PROPERTIES, INC. 0 0 3 2 4 9
ARISTA ENTERPRISES INC. 0 0 5 2 1 8
SEGA CORPORATION 0 3 1 2 2 8
SONY CORPORATION 1 1 0 3 3 8
ALPS ELECTRIC CO., LTD. 0 3 3 0 1 7
BANDAI INDUSTRY CO., LTD. 2 2 0 3 0 7
KONAMI COMPUTER ENTERTAINMENT OSAKA, INC. 0 1 1 2 3 7
MIDWAY AMUSEMENT GAMES, LLC 1 1 4 1 0 7
CYBERSCAN TECHNOLOGY, INC. 0 0 1 0 5 6
GAMEACCOUNT LIMITED 0 0 0 0 6 6
KCEO INC. 0 0 2 3 1 6
NINTENDO OF AMERICA INC. 0 1 0 3 2 6
SONY COMPUTER ENTERTAINMENT AMERICA INC. 0 0 0 6 0 6
ANCHOR GAMING 0 4 1 0 0 5
BACCARAT PLUS ENTERPRISES, INC. 1 0 2 1 1 5
BOB'S SPACE RACERS, INC. 1 1 1 2 0 5
GTECH RHODE ISLAND CORPORATION 1 2 0 2 0 5
INTEL CORPORATION 0 0 3 2 0 5
KABUSHIKI KAISHA KONAMI COMPUTER ENTERTAINMENT OSAKA 1 4 0 0 0 5
LABTRONIX CONCEPT INC. 0 1 0 3 1 5
SIGMA GAME, INC. 2 0 2 1 0 5


PTMB Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMB pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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