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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 351, Optics: Eye Examining, Vision Testing and Correcting
( 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
87
84
92
93
86
442
JOHNSON & JOHNSON VISION CARE, INC.
10
7
12
6
7
42
NIDEK CO., LTD.
11
8
8
7
3
37
KABUSHIKI KAISHA TOPCON
5
6
7
10
4
32
BAUSCH & LOMB, INC.
5
6
4
11
3
29
CANON KABUSHIKI KAISHA
5
4
6
7
0
22
NOVARTIS AG (FORMERLY SANDOZ LTD.)
1
0
3
7
8
19
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE
5
2
4
4
3
18
SOLA INTERNATIONAL HOLDINGS LTD.
2
5
2
7
2
18
HOYA CORPORATION
2
1
5
4
5
17
MENICON CO., LTD.
3
2
3
3
2
13
PENTAX CORPORATION
0
0
3
5
4
12
RODENSTOCK GMBH
0
0
0
6
6
12
OCULAR SCIENCES, INC.
0
4
2
3
2
11
ALCON, INC.
0
1
5
3
1
10
CARL ZEISS, INC.
3
5
1
0
0
9
E-VISION LLC
0
2
2
1
4
9
UNIVERSITY OF ROCHESTER
3
2
1
1
2
9
LASERSIGHT TECHNOLOGIES, INC.
3
3
2
0
0
8
KOWA COMPANY LTD.
2
1
1
2
1
7
LINDBERG A/S
4
0
2
0
1
7
WESLEY-JESSEN CORPORATION
5
1
0
1
0
7
ALCON UNIVERSAL, LTD.
1
2
3
0
0
6
CABOT SAFETY INTERMEDIATE CORPORATION
3
0
1
1
1
6
CONTOUR OPTIK INC.
1
2
1
1
1
6
GAZELLE CORPORATION
0
0
2
2
2
6
OCULUS-OPTIKGERATE G.M.B.H.
3
2
0
1
0
6
REICHERT, INC.
0
0
2
3
1
6
ADAPTIVE OPTICS ASSOCIATES, INC.
0
0
4
1
0
5
CARL ZEISS MEDITEC, INC.
0
0
0
5
0
5
OAKLEY, INC.
3
0
0
0
2
5
OPHTHONIX, INC.
0
0
0
3
2
5
OPTISCHE WERKE G. RODENSTOCK
2
0
2
1
0
5
VISIONRX INC.
1
2
0
2
0
5
VISX, INCORPORATED
3
0
0
1
1
5
WAVEFRONT SCIENCES, INC.
0
0
4
0
1
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
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ftp.uspto.gov/pub/taf/
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