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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 720, Dynamic Optical Information Storage or Retrieval

( 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 2005 2006 2007 2008 2009 Total
SONY CORPORATION 31 38 32 23 27 151
SAMSUNG ELECTRONICS CO., LTD. 15 28 26 28 11 108
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 15 21 24 19 0 79
LITE-ON IT CORPORATION 10 9 14 17 9 59
FUNAI ELECTRIC CO., LTD. 6 15 13 11 6 51
PIONEER CORPORATION 9 13 9 9 7 47
TEAC CORPORATION 9 7 2 6 8 32
~INDIVIDUALLY OWNED PATENT 8 6 1 7 7 29
BEN Q CORPORATION 9 11 4 3 0 27
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 0 9 11 7 27
LG ELECTRONICS INC. 2 4 4 10 6 26
MITSUBISHI DENKI KABUSHIKI KAISHA 7 5 5 4 2 23
PANASONIC CORPORATION 0 0 0 1 21 22
KONINKLIJKE PHILIPS ELECTRONICS N.V. 3 6 3 6 1 19
HITACHI, LTD 6 2 2 4 4 18
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 3 6 2 3 3 17
ORION ELECTRIC CO., LTD. 1 5 5 4 1 16
TOSHIBA CORPORATION 4 2 2 2 4 14
HON HAI PRECISION IND. CO., LTD. 0 0 0 8 5 13
SAMSUNG ELECTRO-MECHANICS CO., LTD. 5 0 3 3 2 13
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 3 4 4 0 13
ALPINE ELECTRONICS INC. 2 4 2 4 0 12
FUJITSU LIMITED 2 4 2 2 2 12
RICOH COMPANY, LTD. 2 2 5 2 1 12
SANYO ELECTRIC CO., LTD. 4 5 1 0 2 12
TDK CORPORATION 1 4 3 2 2 12
THOMSON LICENSING S.A. 2 3 2 2 3 12
ASUSTEK COMPUTER INC. 1 2 3 1 3 10
HITACHI-LG DATA STORAGE, INC. 0 0 1 4 5 10
MITSUMI ELECTRIC CO., LTD. 5 1 4 0 0 10
CANON KABUSHIKI KAISHA 1 2 4 1 1 9
FUJI PHOTO FILM CO., LTD 4 5 0 0 0 9
HITACHI MAXELL, LTD. 1 3 1 2 2 9
MICRO-STAR INTERNATIONAL CO., LTD. 4 2 0 1 1 8
VICTOR COMPANY OF JAPAN, LIMITED 1 3 2 1 1 8
CLARION CO., LTD. 2 2 3 0 0 7
QUANTA STORAGE, INC. 1 0 0 5 1 7
FUJIFILM CORPORATION 0 0 2 1 3 6
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 0 3 1 6
NEC CORPORATION 3 3 0 0 0 6
VMEDIA RESEARCH, INC. 0 3 1 0 2 6
STORAGE TECHNOLOGY CORPORATION 0 3 1 1 0 5
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 4 1 0 0 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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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