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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
~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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