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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 033, Geometrical Instruments

( 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
~Individually Owned Patent 132 111 142 147 133 665
MITUTOYO CORPORATION 3 5 9 7 11 35
JOHANNES HEIDENHAIN GMBH 5 1 7 4 7 24
CARL ZEISS STIFTUNG 5 7 3 2 2 19
RENISHAW PLC 3 1 2 2 6 14
KABUSHIKI KAISHA TOPCON 2 4 2 2 3 13
MARPOSS SOCIETA' PER AZIONI 4 2 1 2 3 12
STANLEY WORKS 1 0 0 5 5 11
FARO TECHNOLOGIES INC. 2 1 2 3 0 8
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 0 3 2 1 1 7
GENERAL ELECTRIC COMPANY 1 0 3 2 1 7
SNAP-ON TECHNOLOGIES, INC. 3 0 2 2 0 7
ASM AUTOMATION, SENSORIK, MESSTECHNIK GMBH 1 0 1 0 4 6
KAPRO INDUSTRIES LTD. 1 0 1 1 3 6
NIKON CORPORATION 2 1 1 2 0 6
ROBERT BOSCH GMBH 0 1 1 2 2 6
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 0 0 2 1 3 6
TOXONICS MANUFACTURING, INC. 1 1 0 1 3 6
TRIMBLE NAVIGATION, LTD. 1 1 3 1 0 6
DANA CORPORATION 0 2 0 3 0 5
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE 3 1 0 1 0 5
HUNTER ENGINEERING COMPANY 0 1 2 1 1 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 1 0 3 5
LEICA GEOSYSTEMS AG 0 3 1 0 1 5
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 0 2 0 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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