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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 399, Electrophotography

( 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 2004 2005 2006 2007 2008 Total
CANON KABUSHIKI KAISHA 238 250 287 247 260 1282
RICOH COMPANY, LTD. 162 122 177 183 176 820
SAMSUNG ELECTRONICS CO., LTD. 60 59 96 93 126 434
XEROX CORPORATION 73 56 70 102 83 384
TOSHIBA CORPORATION 55 63 68 64 72 322
FUJI XEROX CO., LTD. 47 38 46 64 64 259
BROTHER KOGYO KABUSHIKI KAISHA 25 29 40 64 90 248
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 29 33 28 61 54 205
SEIKO EPSON CORPORATION 18 30 53 53 44 198
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. 0 3 45 54 55 157
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 51 33 23 14 16 137
OKIDATA CORPORATION 12 17 25 38 39 131
LEXMARK INTERNATIONAL, INC. 16 12 26 40 32 126
KYOCERA MITA CORPORATION 9 3 14 20 71 117
EASTMAN KODAK COMPANY 5 25 45 25 9 109
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 11 14 8 7 13 53
OCE PRINTING SYSTEMS GMBH 6 7 11 9 18 51
KONICA CORPORATION 30 8 5 2 0 45
RICOH PRINTING SYSTEMS, LTD. 0 6 10 13 14 43
~INDIVIDUALLY OWNED PATENT 4 8 17 5 4 38
STATIC CONTROL COMPONENTS, INC. 3 5 9 6 7 30
MURATA KIKAI KABUSHIKI KAISHA 1 7 7 12 2 29
FUJI PHOTO FILM CO., LTD 0 14 12 2 0 28
NEXPRESS SOLUTIONS LLC 22 2 0 0 0 24
MINOLTA CAMERA CO., LTD. 11 7 0 2 0 20
KONICA MINOLTA HOLDINGS, INC. 0 4 10 1 2 17
TOSHIBA TEC KABUSHIKI KAISHA 0 0 4 7 4 15
FUNAI ELECTRIC CO., LTD. 0 0 2 5 5 12
HITACHI PRINTING SOLUTIONS, LTD. 11 1 0 0 0 12
NISCA CORPORATION 3 5 2 2 0 12
CARTRIDGE CORPORATION OF AMERICA, INC. 0 0 0 6 5 11
HITACHI, LTD 7 2 0 0 0 9
PFU LIMITED 3 3 1 1 1 9
CANON FINETECH INC. 0 0 3 4 1 8
HEIDELBERGER DRUCKMASCHINEN AG 7 0 0 1 0 8
KYOCERA CORPORATION 2 3 1 2 0 8
GENERAL PLASTIC INDUSTRIAL CO., LTD. 2 1 3 1 0 7
CANON KASEI KABUSHIKI KAISHA 1 0 1 4 0 6
AVISION INC. 1 0 1 2 1 5
BRIDGESTONE CORPORATION 3 0 0 1 1 5
CF TECHNOLOGIES, INC. 4 1 0 0 0 5
FUJITSU LIMITED 3 0 2 0 0 5
MITSUBISHI CHEMICAL AMERICA, INC. 2 2 1 0 0 5
OCE-TECHNOLOGIES, B.V. 1 0 1 3 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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