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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 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 29 50 47 36 45 207
SEIKO INSTRUMENTS INC. 8 12 15 20 18 73
SEIKO EPSON CORPORATION 11 13 18 13 10 65
CITIZEN WATCH CO., LTD. 10 11 12 10 6 49
ETA SA FABRIQUES D'EBAUCHES OF GRANGES 5 5 9 11 8 38
ASULAB S.A. 6 7 6 7 8 34
THE SWATCH GROUP MANAGEMENT SERVICES AG 1 3 2 3 7 16
INTERNATIONAL BUSINESS MACHINES CORPORATION 4 1 1 4 5 15
CASIO COMPUTER CO. LTD. 1 7 2 3 1 14
EQUITIME INC 0 2 3 3 2 10
XILINX, INC. 3 2 2 1 0 8
MONTRES RADO S.A. 2 0 2 2 1 7
TIMEX GROUP B.V. 0 0 2 3 2 7
NEC CORPORATION 3 2 0 0 0 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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