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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 473, Games Using Tangible Projectile
( 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
324
316
307
309
290
1546
CALLAWAY GOLF COMPANY
8
17
60
57
33
175
BRIDGESTONE SPORTS CO., LTD.
22
33
37
45
35
172
ACUSHNET COMPANY
9
18
22
44
48
141
SUMITOMO RUBBER INDUSTRIES, LTD.
11
20
22
41
42
136
SPALDING SPORTS WORLDWIDE, INC.
21
36
35
16
0
108
WILSON SPORTING GOODS CO.
5
3
8
7
9
32
TAYLOR MADE GOLF COMPANY, INC.
8
4
3
9
7
31
KABUSHIKI KAISHA ENDO SEISAKUSHO
5
5
2
7
3
22
LIFETIME PRODUCTS, INC.
6
1
6
2
4
19
YOKOHAMA RUBBER CO., LTD.
5
5
2
5
2
19
MIZUNO CORPORATION
0
0
7
5
4
16
KARSTEN MANUFACTURING CORP.
0
2
4
5
3
14
DAIWA SEIKO INC
4
3
2
2
1
12
THE TOP FLITE GOLF COMPANY
0
0
0
10
2
12
JAMES D. EASTON, INC.
2
2
3
1
2
10
BRUNSWICK BOWLING AND BILLIARDS CORPORATION
2
0
2
1
2
7
WORTH, INC.
1
2
3
0
1
7
CARBITE, INC.
1
3
2
0
0
6
PORTER ATHLETIC EQUIPMENT COMPANY
2
0
0
3
1
6
STX LLC
1
0
2
3
0
6
BARRIE ARCHERY, LLC
0
2
0
3
0
5
COBRA GOLF, INC. II
3
2
0
0
0
5
HUFFY CORPORATION
2
3
0
0
0
5
TELESYSTEMS CO., LTD.
1
2
1
1
0
5
YONEX KABUSHIKI KAISHA
2
1
0
1
1
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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