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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 400, Typewriting Machines

( 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
SEIKO EPSON CORPORATION 29 22 29 19 15 114
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 33 35 28 96
CANON KABUSHIKI KAISHA 14 20 19 16 22 91
~Individually Owned Patent 11 14 20 25 16 86
HEWLETT-PACKARD COMPANY 27 38 7 0 0 72
SILVERBROOK RESEARCH PTY. LTD 6 5 3 6 11 31
FUJI PHOTO FILM CO., LTD 5 7 5 8 4 29
BROTHER KOGYO KABUSHIKI KAISHA 4 3 5 6 8 26
SONY CORPORATION 5 2 1 8 10 26
INTERNATIONAL BUSINESS MACHINES CORPORATION 9 4 3 4 4 24
ZIH CORPORATION 3 8 7 1 5 24
XEROX CORPORATION 4 3 9 5 2 23
EASTMAN KODAK COMPANY 2 6 3 5 3 19
LEXMARK INTERNATIONAL, INC. 1 9 2 4 3 19
SAMSUNG ELECTRONICS CO., LTD. 3 3 4 4 5 19
ALPS ELECTRIC CO., LTD. 9 2 4 2 1 18
NEC CORPORATION 9 4 3 1 1 18
TOSHIBA TEC KABUSHIKI KAISHA 0 1 3 9 4 17
PITNEY-BOWES, INC. 3 0 3 5 5 16
ESSELTE N.V. 2 5 2 1 4 14
FARGO ELECTRONICS, INC. 2 5 1 3 3 14
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 4 2 3 3 13
PRINTRONIX, INC. 1 2 0 4 5 12
DARFON ELECTRONICS CORP. 0 3 2 5 1 11
FRANCOTYP-POSTALIA AG & CO. KG 1 1 3 6 0 11
FUJI XEROX CO., LTD. 0 2 2 3 4 11
MICROSOFT CORPORATION 1 0 0 2 7 10
BRADY WORLDWIDE, INC. 1 1 3 0 4 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 3 1 1 3 1 9
RISO KAGAKU CORPORATION 3 1 3 1 1 9
SILITEK CORPORATION 1 1 7 0 0 9
BEHAVIOR TECH COMPUTER CORP. 1 3 2 1 1 8
MONARCH MARKING SYSTEMS, INC. 1 5 2 0 0 8
INTERNATIONAL IMAGING MATERIALS, INC. 1 1 2 2 1 7
INTERMEC IP CORP. 2 2 1 1 0 6
NISCA CORPORATION 0 0 1 3 2 6
RICOH COMPANY, LTD. 0 1 2 2 1 6
AGFA-GEVAERT N.V. 2 1 1 1 0 5
AXIOHM TRANSACTION SOLUTIONS, INC. 4 0 0 1 0 5
CASIO COMPUTER CO. LTD. 1 2 0 1 1 5
COPYER CO., LTD. 2 3 0 0 0 5
ELECTRONICS FOR IMAGING, INC. 0 0 2 1 2 5
MINOLTA CAMERA CO., LTD. 2 1 1 1 0 5
OCE-TECHNOLOGIES, B.V. 0 1 0 1 3 5
OKIDATA CORPORATION 0 2 1 0 2 5
SEIKO PRECISION INC. 0 0 3 1 1 5
STAMPS.COM INC. 1 2 0 0 2 5


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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

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