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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 1998 - 2002 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 353, Optics: Image Projectors

( 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 1998 1999 2000 2001 2002 Total
SEIKO EPSON CORPORATION 3 7 16 17 35 78
~Individually Owned Patent 13 15 11 11 9 59
MINOLTA CAMERA CO., LTD. 3 4 7 14 13 41
SONY CORPORATION 3 5 3 3 11 25
CANON KABUSHIKI KAISHA 4 2 5 7 6 24
HITACHI, LTD 4 0 3 5 5 17
NIKON CORPORATION 7 2 2 2 3 16
SAMSUNG ELECTRONICS CO., LTD. 2 2 1 2 9 16
EASTMAN KODAK COMPANY 5 2 1 0 4 12
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 3 1 1 4 11
MITSUBISHI DENKI KABUSHIKI KAISHA 3 0 2 1 5 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 3 5 0 11
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 3 2 1 3 10
U.S. PHILIPS CORPORATION 3 2 2 3 0 10
FUJITSU LIMITED 1 2 2 1 3 9
NEC CORPORATION 0 2 3 1 3 9
3M INNOVATIVE PROPERTIES COMPANY 0 0 2 1 5 8
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 0 0 4 3 8
INFOCUS CORPORATION 0 0 1 1 5 7
RAYTHEON COMPANY 1 3 1 2 0 7
IN FOCUS SYSTEMS, INC. 2 2 2 0 0 6
INTEL CORPORATION 0 0 0 4 2 6
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 5 5
LG ELECTRONICS INC. 3 1 0 0 1 5
PRIMAX ELECTRONICS LTD. 1 0 1 1 2 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
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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