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

Patenting In Technology Classes,
Breakout By Organization

Count of 2009 - 2013 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 2009 2010 2011 2012 2013 Total
PANASONIC CORPORATION 21 19 18 24 9 91
SONY CORPORATION 27 12 14 10 11 74
FUNAI ELECTRIC CO., LTD. 6 12 11 6 7 42
NIDEC CORPORATION 2 3 18 6 4 33
LG INNOTEK CO., LTD 1 1 9 5 15 31
HITACHI-LG DATA STORAGE, INC. 5 4 6 10 4 29
LITE-ON IT CORPORATION 9 5 6 4 5 29
SAMSUNG ELECTRO-MECHANICS CO., LTD. 2 2 5 8 11 28
TEAC CORPORATION 8 6 6 4 3 27
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 7 3 5 4 6 25
SAMSUNG ELECTRONICS CO., LTD. 11 5 2 4 3 25
QUANTA STORAGE, INC. 1 3 10 8 1 23
HITACHI MEDIA ELECTRONICS CO., LTD. 2 2 6 4 7 21
~INDIVIDUALLY OWNED PATENT 7 4 6 4 0 21
MITSUBISHI DENKI KABUSHIKI KAISHA 2 5 3 8 2 20
PIONEER CORPORATION 7 3 4 2 0 16
HITACHI, LTD 4 3 2 5 0 14
PHILIPS & LITE-ON DIGITAL SOLUTIONS CORPORATION 1 0 2 4 7 14
SANYO ELECTRIC CO., LTD. 2 3 3 1 4 13
TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION 1 2 0 2 8 13
HON HAI PRECISION IND. CO., LTD. 5 1 0 5 1 12
SEIKO EPSON CORPORATION 0 0 2 5 5 12
CLARION CO., LTD. 0 6 4 0 0 10
FUJIFILM CORPORATION 3 7 0 0 0 10
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 3 0 4 2 1 10
LG ELECTRONICS INC. 6 3 0 1 0 10
TOSHIBA CORPORATION 4 1 1 2 2 10
ASUSTEK COMPUTER INC. 3 2 3 1 0 9
FUJITSU TEN LIMITED 4 4 0 1 0 9
ALPINE ELECTRONICS INC. 0 4 1 2 0 7
HITACHI CONSUMER ELECTRONICS CO., LTD. 0 0 0 1 6 7
RICOH COMPANY, LTD. 1 1 1 1 3 7
THOMSON LICENSING S.A. 3 1 0 2 1 7
FUJITSU LIMITED 2 2 0 1 1 6
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 1 1 2 6
DATATRONICS TECHNOLOGY, INC. 1 2 1 0 1 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 1 2 1 0 1 5
SONY COMPUTER ENTERTAINMENT INC. 0 1 3 1 0 5
TOHEI INDUSTRIAL CO., LTD. 0 1 3 1 0 5
VALLEY WOOD ELECTRICAL (SHEN ZHEN) CO., LTD 0 1 2 1 1 5
VICTOR COMPANY OF JAPAN, LIMITED 1 1 2 1 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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