Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports


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 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 2004 2005 2006 2007 2008 Total
SONY CORPORATION 19 31 38 32 23 143
SAMSUNG ELECTRONICS CO., LTD. 9 15 28 26 28 106
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 18 15 21 24 19 97
LITE-ON IT CORPORATION 10 10 9 14 17 60
FUNAI ELECTRIC CO., LTD. 5 6 15 13 11 50
PIONEER CORPORATION 5 9 13 9 9 45
TEAC CORPORATION 6 9 7 2 6 30
BEN Q CORPORATION 2 9 11 4 3 29
~INDIVIDUALLY OWNED PATENT 7 8 6 1 7 29
LG ELECTRONICS INC. 7 2 4 4 10 27
MITSUBISHI DENKI KABUSHIKI KAISHA 6 7 5 5 4 27
KONINKLIJKE PHILIPS ELECTRONICS N.V. 4 3 6 3 6 22
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 0 0 9 11 20
SANYO ELECTRIC CO., LTD. 9 4 5 1 0 19
ALPINE ELECTRONICS INC. 6 2 4 2 4 18
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 5 2 3 4 4 18
FUJITSU LIMITED 6 2 4 2 2 16
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 2 3 6 2 3 16
HITACHI, LTD 2 6 2 2 4 16
FUJI PHOTO FILM CO., LTD 6 4 5 0 0 15
ORION ELECTRIC CO., LTD. 0 1 5 5 4 15
MITSUMI ELECTRIC CO., LTD. 4 5 1 4 0 14
SAMSUNG ELECTRO-MECHANICS CO., LTD. 3 5 0 3 3 14
RICOH COMPANY, LTD. 0 2 2 5 2 11
TDK CORPORATION 1 1 4 3 2 11
CLARION CO., LTD. 3 2 2 3 0 10
TOSHIBA CORPORATION 0 4 2 2 2 10
CANON KABUSHIKI KAISHA 1 1 2 4 1 9
HON HAI PRECISION IND. CO., LTD. 1 0 0 0 8 9
TANASHIN DENKI CO., LTD. 6 0 2 1 0 9
THOMSON LICENSING S.A. 0 2 3 2 2 9
ASUSTEK COMPUTER INC. 1 1 2 3 1 8
MICRO-STAR INTERNATIONAL CO., LTD. 1 4 2 0 1 8
HITACHI MAXELL, LTD. 0 1 3 1 2 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 4 2 1 0 0 7
NEC CORPORATION 1 3 3 0 0 7
VICTOR COMPANY OF JAPAN, LIMITED 0 1 3 2 1 7
QUANTA STORAGE, INC. 0 1 0 0 5 6
SONY COMPUTER ENTERTAINMENT INC. 2 0 1 1 2 6
HITACHI-LG DATA STORAGE, INC. 0 0 0 1 4 5
IMATION CORP. 2 1 0 1 1 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 1 1 0 3 5
STORAGE TECHNOLOGY CORPORATION 0 0 3 1 1 5
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 0 4 1 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports