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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 368, Horology: Time Measuring Systems or Devices

( 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 50 47 36 45 26 204
SEIKO INSTRUMENTS INC. 12 15 20 18 6 71
SEIKO EPSON CORPORATION 13 18 13 10 13 67
CITIZEN WATCH CO., LTD. 11 12 10 6 4 43
ETA SA FABRIQUES D'EBAUCHES OF GRANGES 5 9 11 8 2 35
ASULAB S.A. 7 6 7 8 6 34
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 4 5 6 17
THE SWATCH GROUP MANAGEMENT SERVICES AG 3 2 3 7 1 16
CASIO COMPUTER CO. LTD. 7 2 3 1 0 13
EQUITIME INC 2 3 3 2 0 10
TIMEX GROUP B.V. 0 2 3 2 3 10
MONTRES RADO S.A. 0 2 2 1 0 5
RICHEMONT INTERNATIONAL SA 0 0 0 1 4 5
ROLEX S.A. 0 1 0 2 2 5
XILINX, INC. 2 2 1 0 0 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
ftp download of selected PTMB reports and materials from : ftp.uspto.gov/pub/taf/


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