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

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
SONY CORPORATION 32 23 27 12 14 108
SAMSUNG ELECTRONICS CO., LTD. 26 28 11 5 2 72
PANASONIC CORPORATION 0 1 21 19 18 59
FUNAI ELECTRIC CO., LTD. 13 11 6 12 11 53
LITE-ON IT CORPORATION 14 17 9 5 6 51
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 24 19 0 0 0 43
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 9 11 7 3 5 35
PIONEER CORPORATION 9 9 7 3 4 32
TEAC CORPORATION 2 6 8 6 6 28
~INDIVIDUALLY OWNED PATENT 1 7 7 4 6 25
NIDEC CORPORATION 0 1 2 3 18 24
LG ELECTRONICS INC. 4 10 6 3 0 23
HITACHI-LG DATA STORAGE, INC. 1 4 5 4 6 20
MITSUBISHI DENKI KABUSHIKI KAISHA 5 4 2 5 3 19
QUANTA STORAGE, INC. 0 5 1 3 10 19
HITACHI, LTD 2 4 4 3 2 15
SAMSUNG ELECTRO-MECHANICS CO., LTD. 3 3 2 2 5 15
HON HAI PRECISION IND. CO., LTD. 0 8 5 1 0 14
LG INNOTEK CO., LTD 0 3 1 1 9 14
CLARION CO., LTD. 3 0 0 6 4 13
FUJIFILM CORPORATION 2 1 3 7 0 13
KONINKLIJKE PHILIPS ELECTRONICS N.V. 3 6 1 2 1 13
ASUSTEK COMPUTER INC. 3 1 3 2 3 12
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 2 3 3 0 4 12
ALPINE ELECTRONICS INC. 2 4 0 4 1 11
HITACHI MEDIA ELECTRONICS CO., LTD. 0 1 2 2 6 11
ORION ELECTRIC CO., LTD. 5 4 1 1 0 11
RICOH COMPANY, LTD. 5 2 1 1 1 10
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 4 4 0 2 0 10
TOSHIBA CORPORATION 2 2 4 1 1 10
SANYO ELECTRIC CO., LTD. 1 0 2 3 3 9
FUJITSU LIMITED 2 2 2 2 0 8
FUJITSU TEN LIMITED 0 0 4 4 0 8
THOMSON LICENSING 2 2 3 1 0 8
BEN Q CORPORATION 4 3 0 0 0 7
CANON KABUSHIKI KAISHA 4 1 1 1 0 7
SONY COMPUTER ENTERTAINMENT INC. 1 2 0 1 3 7
TDK CORPORATION 3 2 2 0 0 7
VICTOR COMPANY OF JAPAN, LIMITED 2 1 1 1 2 7
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 3 1 1 1 6
HITACHI MAXELL, LTD. 1 2 2 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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