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

Extended Year Set - Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2012 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 Total
SONY CORPORATION 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 4 4 3 7 1 7 8 9 12 4 13 15 21 25 16 34 26 27 19 31 38 32 23 27 12 14 10 444
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 2 0 1 5 4 1 0 8 8 11 14 6 15 16 15 18 15 21 24 19 0 0 0 0 207
SAMSUNG ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 6 4 3 4 14 11 8 5 15 6 9 15 28 26 28 11 5 2 4 206
PIONEER ELECTRONIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 8 4 6 7 12 10 11 13 7 1 2 2 3 2 4 1 10 2 1 2 0 0 0 0 0 0 0 0 110
TEAC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 2 1 2 2 0 2 2 2 8 6 7 3 6 6 9 7 2 6 8 6 6 4 99
~INDIVIDUALLY OWNED PATENT 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 1 1 1 1 1 2 1 0 0 3 3 1 5 4 5 2 6 6 7 8 6 1 7 7 4 6 4 96
FUNAI ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 2 4 5 6 15 13 11 6 12 11 6 94
LITE-ON IT CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 10 10 9 14 17 9 5 6 4 88
PANASONIC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 21 19 18 24 83
PIONEER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 9 10 5 9 13 9 9 7 3 4 2 81
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 3 1 2 0 0 0 2 4 2 1 8 7 6 7 5 5 4 2 5 3 8 78
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 3 1 1 3 6 3 4 2 3 0 0 2 2 16 1 2 3 4 0 0 4 2 2 2 4 1 1 2 78
HITACHI, LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 1 2 3 1 1 3 2 4 4 6 7 7 2 6 2 2 4 4 3 2 5 75
U.S. PHILIPS CORPORATION 0 0 0 0 0 0 0 1 0 0 1 2 0 1 2 1 4 4 8 5 7 4 3 7 7 1 1 3 1 1 0 2 1 0 0 0 0 0 0 0 0 0 0 0 67
LG ELECTRONICS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 4 11 5 7 2 4 4 10 6 3 0 1 61
FUJITSU LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 2 2 0 4 2 6 9 6 2 4 2 2 2 2 0 1 50
SANYO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 2 3 0 0 0 0 2 2 0 2 1 2 9 4 5 1 0 2 3 3 1 46
ALPINE ELECTRONICS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 2 0 0 0 0 0 3 1 1 4 2 1 6 2 4 2 4 0 4 1 2 42
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 11 7 3 5 4 39
ALPS ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 6 1 0 0 2 0 0 0 0 0 0 2 3 6 6 4 1 0 0 2 0 0 0 0 0 37
CLARION CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 2 0 1 1 0 1 0 0 4 3 3 2 2 3 0 0 6 4 0 37
DAEWOO ELECTRONICS COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 10 12 3 3 1 0 0 0 0 0 0 0 0 0 0 0 0 34
RICOH COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0 1 1 2 0 1 3 3 3 1 1 0 0 0 2 2 5 2 1 1 1 1 34
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 5 4 3 6 3 6 1 2 1 0 33
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 3 5 0 3 3 2 2 5 8 33
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 2 0 1 1 3 0 1 0 0 1 0 0 5 2 3 4 4 0 2 0 1 33
CANON KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 2 3 0 4 2 1 0 0 2 1 0 1 0 1 1 2 4 1 1 1 0 0 32
BEN Q CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 9 11 4 3 0 0 0 0 31
MITSUMI ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 1 0 4 2 6 2 0 4 5 1 4 0 0 0 0 0 31
NIDEC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 3 18 6 31
TDK CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 0 2 0 0 2 0 1 0 1 4 3 1 1 1 4 3 2 2 0 0 0 31
HITACHI MAXELL, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 2 4 0 0 0 2 1 0 5 0 0 2 2 0 1 3 1 2 2 0 0 0 30
HITACHI-LG DATA STORAGE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 5 4 6 10 30
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 2 1 2 4 2 1 2 0 1 1 0 0 1 1 0 3 1 1 1 1 29
QUANTA STORAGE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 5 1 3 10 8 28
NAKAMICHI CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 0 3 2 4 7 4 0 0 2 1 0 0 0 0 0 0 0 0 27
NEC CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 2 4 2 5 0 3 1 3 3 0 0 0 1 0 0 26
TANASHIN DENKI CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 1 0 2 4 0 4 6 0 2 1 0 0 0 3 0 26
VICTOR COMPANY OF JAPAN, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 0 1 0 0 1 1 0 0 0 0 0 0 0 0 4 1 0 0 0 0 1 3 2 1 1 1 2 1 26
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 6 2 3 3 0 4 2 25
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2 4 3 2 4 2 1 0 0 0 0 2 1 23
HON HAI PRECISION IND. CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 8 5 1 0 5 22
OLYMPUS OPTICAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 1 2 0 3 0 4 5 0 2 1 0 0 0 0 0 0 0 0 0 0 21
STAAR, S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 7 2 3 0 2 0 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 0 0 20
EASTMAN KODAK COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2 4 0 1 2 0 1 0 1 0 2 3 0 0 0 0 1 0 0 0 0 0 0 0 0 19
LG INNOTEK CO., LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 9 5 19
ASUSTEK COMPUTER INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 2 3 1 3 2 3 1 18
KABUSHIKI KAISHA KENWOOD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 2 1 0 0 3 5 1 1 1 0 1 0 1 0 0 18
ORION ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 5 4 1 1 0 1 18
HEWLETT-PACKARD COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 1 6 5 0 0 0 0 0 0 0 0 0 0 17
RCA CORPORATION 0 0 0 0 0 0 0 0 0 3 1 5 3 0 0 2 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
THOMSON LICENSING S.A. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 3 2 2 3 1 0 2 17
SONY COMPUTER ENTERTAINMENT INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 2 0 1 1 2 0 1 3 1 16
FUJI PHOTO FILM CO., LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 4 5 0 0 0 0 0 0 15
HITACHI MEDIA ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 6 4 15
FUJIFILM CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3 7 0 0 13
IMATION CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 1 2 1 0 1 1 0 2 0 0 13
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 1 3 1 1 1 0 0 0 0 0 0 0 0 0 0 12
DEUTSCHE THOMSON-BRANDT GMBH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 2 0 1 0 0 1 0 0 1 0 2 0 0 1 1 0 0 0 0 0 0 12
NIPPON GAKKI SEIZO KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 6 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
BEHAVIOR TECH COMPUTER CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 3 0 2 1 0 2 0 0 0 0 0 0 11
SEAGATE TECHNOLOGY, LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 2 1 1 0 11
SEIKO EPSON CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 2 5 10
STORAGE TECHNOLOGY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 0 0 0 0 0 0 3 1 1 0 2 0 0 10
DISCOVISION ASSOCIATES 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 9
FUJITSU TEN LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 4 0 1 9
MICRO-STAR INTERNATIONAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 0 1 1 0 0 0 9
DAI NIPPON INSATSU KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 3 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
YAMAHA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 2 0 1 1 0 0 0 0 0 1 0 0 0 0 8
GOLDSTAR COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
PHILIPS & LITE-ON DIGITAL SOLUTIONS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 4 7
ALCO ELECTRONICS, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 1 0 1 0 0 1 0 0 0 1 0 0 0 6
IOMEGA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 6
OPTICORD, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 6
TOHEI INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 3 1 6
VMEDIA RESEARCH, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 2 0 0 0 6
APPLE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 5
DELTA ELECTRONICS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 2 0 0 0 5
DPHI ACQUISITIONS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 0 1 0 5
LITERAL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SANKYO SEIKI MFG. CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 1 0 0 1 0 0 0 0 0 0 0 0 5
STORAGE TECHNOLOGY PARTNERS II 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 0 0 0 0 0 5
TAIYO YUDEN CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 0 0 0 5
TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 2 5


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