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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 62 63 52 58 43 278
INTERNATIONAL GAME TECHNOLOGY (IGT) 5 12 27 63 94 201
KONAMI CO., LTD. 26 23 35 48 26 158
WALKER DIGITAL, LLC 13 30 14 19 13 89
NINTENDO CO., LTD. 9 28 22 12 12 83
SEGA ENTERPRISES, LTD. 13 18 19 19 10 79
NAMCO LIMITED 6 10 13 11 8 48
SONY COMPUTER ENTERTAINMENT INC. 1 5 12 15 15 48
WMS GAMING, INC. 5 8 7 16 9 45
SQUARE CO., LTD. 1 11 19 7 0 38
ARUZE CORPORATION 2 11 6 5 4 28
MIKOHN GAMING CORPORATION 3 5 4 8 5 25
ACRES GAMING, INC. 1 6 6 3 5 21
ARISTOCRAT TECHNOLOGIES AUSTRALIA PTY LTD. 1 4 2 5 9 21
SIERRA DESIGN GROUP 0 0 2 7 10 19
CASINO DATA SYSTEMS 7 1 1 3 3 15
MINDPLAY LLC 0 0 0 12 3 15
SHUFFLE MASTER, INC. 3 4 5 3 0 15
KABUSHIKI KAISHA SQUARE ENIX 0 0 0 3 11 14
ATLANTIC CITY COIN & SLOT SERVICE COMPANY, INC. 0 0 2 4 5 11
INTEL CORPORATION 3 0 0 3 2 8
MULTIMEDIA GAMES, INC. 0 2 1 3 2 8
SIGMA GAME, INC. 3 2 0 2 1 8
ALPS ELECTRIC CO., LTD. 1 0 3 3 0 7
ARISTA ENTERPRISES INC. 0 0 0 5 2 7
BANDAI INDUSTRY CO., LTD. 0 2 2 0 3 7
MICROSOFT CORPORATION 1 0 0 2 4 7
MIDWAY AMUSEMENT GAMES, LLC 0 1 1 4 1 7
NOKIA CORPORATION 0 1 0 4 2 7
SONY CORPORATION 2 1 1 0 3 7
ANCHOR GAMING 1 0 4 1 0 6
KABUSHIKI KAISHA KONAMI COMPUTER ENTERTAINMENT OSAKA 1 1 4 0 0 6
SEGA CORPORATION 0 0 3 1 2 6
SONY COMPUTER ENTERTAINMENT AMERICA INC. 0 0 0 0 6 6
BOB'S SPACE RACERS, INC. 0 1 1 1 2 5
GTECH RHODE ISLAND CORPORATION 0 1 2 0 2 5
KCEO INC. 0 0 0 2 3 5
ODS PROPERTIES, INC. 0 0 0 3 2 5
UNIVERSAL SALES CO., LTD. 1 2 0 2 0 5


PTMD Contacts

Questions regarding these reports should be directed to:

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

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

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


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