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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2007 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 356, Optics: Measuring and Testing

( 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 Total
~INDIVIDUALLY OWNED PATENT 39 44 63 54 71 79 53 47 45 43 34 56 62 36 37 37 45 31 49 35 63 55 62 57 47 38 64 60 60 70 75 75 32 59 58 73 55 62 70 2095
CANON KABUSHIKI KAISHA 0 0 1 1 1 3 6 1 3 3 4 2 6 3 6 5 11 11 24 6 17 9 12 21 19 19 23 37 19 33 20 18 10 12 23 13 20 32 40 494
HITACHI, LTD 3 0 2 4 2 4 4 3 2 4 12 5 8 9 7 7 11 13 20 22 12 14 13 12 11 10 9 5 4 6 7 13 5 11 10 16 15 14 13 342
NIKON CORPORATION 0 1 3 4 9 5 5 4 9 3 0 1 3 4 4 5 2 5 10 15 6 2 3 4 5 8 15 27 29 29 25 19 12 12 15 15 10 4 8 340
UNITED STATES OF AMERICA, NAVY 2 8 11 7 12 6 10 13 7 5 9 6 10 4 10 10 8 5 5 5 5 6 5 6 8 15 5 6 5 17 4 11 2 4 3 4 8 5 13 285
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 6 7 4 7 3 5 10 10 3 5 3 5 2 3 4 4 5 11 1 1 1 4 3 10 9 12 11 11 17 20 13 7 8 11 6 8 6 5 263
ZYGO CORPORATION 0 0 0 0 1 5 2 3 0 1 0 1 0 1 0 1 0 2 3 6 8 3 2 1 3 0 5 4 6 10 4 6 15 4 12 28 27 25 27 216
UNITED STATES OF AMERICA, ARMY 4 7 6 9 7 11 5 6 11 6 10 5 10 4 8 1 5 11 6 4 1 3 1 1 2 2 1 2 5 6 3 2 1 1 4 2 5 9 8 195
HONEYWELL INC. 4 2 2 0 4 0 2 2 1 2 1 4 1 0 1 2 9 5 10 4 8 1 11 12 8 18 28 8 5 9 13 9 6 0 0 0 0 0 0 192
LITTON SYSTEMS INC. 0 2 0 0 1 1 0 0 0 2 1 1 1 2 4 0 1 3 4 12 16 13 11 10 9 19 11 9 3 13 13 9 6 4 5 0 0 0 3 189
EASTMAN KODAK COMPANY 4 4 6 7 7 2 2 0 0 2 0 2 1 0 0 2 6 1 1 3 5 7 8 6 3 7 6 9 9 4 3 11 6 3 8 5 4 3 6 163
UNITED STATES OF AMERICA, AIR FORCE 1 6 7 2 9 7 7 4 7 2 3 7 4 10 5 5 4 4 8 1 2 1 4 4 1 5 2 7 2 5 3 4 0 2 5 0 3 3 0 156
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 8 14 4 6 9 5 2 5 2 3 2 3 1 5 3 4 10 6 1 1 5 3 6 5 1 1 3 0 2 6 4 2 0 6 3 4 5 3 156
GENERAL ELECTRIC COMPANY 3 4 6 2 8 2 5 1 3 3 1 1 0 3 0 1 5 3 8 4 1 4 3 3 0 3 4 4 5 9 7 9 0 2 3 10 5 10 8 153
AGILENT TECHNOLOGIES, 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 1 3 11 18 30 28 31 21 143
KABUSHIKI KAISHA TOPCON 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 1 2 3 2 7 5 13 16 23 8 12 8 5 7 9 17 143
HUGHES AIRCRAFT COMPANY 4 4 1 5 6 2 3 0 0 3 1 0 1 3 0 2 2 3 9 5 9 9 6 6 13 19 10 9 3 2 0 0 0 0 0 0 0 0 0 140
OLYMPUS OPTICAL CO., LTD. 0 0 1 1 2 5 1 2 1 0 1 4 4 1 3 5 10 1 1 8 7 4 4 3 4 9 4 1 4 8 6 7 1 9 8 1 5 4 0 140
THERMA-WAVE, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 2 1 4 1 1 0 1 0 2 1 4 1 7 5 15 26 28 23 14 138
HEWLETT-PACKARD COMPANY 2 2 1 3 5 2 1 0 0 1 1 0 1 2 0 3 0 0 3 8 5 5 10 2 6 10 4 6 15 10 8 11 2 1 1 0 0 0 0 131
TOSHIBA CORPORATION 0 1 1 3 1 2 0 2 1 0 1 1 2 5 3 0 6 11 4 4 7 5 5 2 4 2 5 3 4 3 4 6 1 2 5 7 6 6 6 131
KLA-TENCOR TECHNOLOGIES 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 0 0 0 1 3 4 14 19 46 43 130
MINOLTA CAMERA CO., LTD. 1 0 2 0 3 4 3 5 0 0 1 4 2 1 6 2 0 0 4 3 1 1 6 1 2 2 4 5 4 3 7 6 12 9 14 6 5 1 0 130
FUJI PHOTO FILM CO., LTD 0 0 4 0 0 1 0 1 1 1 0 1 4 1 2 3 1 1 6 3 6 3 7 2 2 1 2 4 3 3 9 0 3 4 11 13 6 14 5 128
PERKIN-ELMER CORPORATION 2 8 5 4 2 6 4 5 5 3 4 3 1 8 3 6 6 8 11 7 6 7 2 1 3 1 3 2 0 0 0 0 0 0 0 0 0 0 0 126
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 3 1 3 2 1 2 4 7 10 10 6 5 6 7 9 1 5 9 9 5 7 11 125
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 7 6 3 2 2 6 7 2 2 2 3 3 2 2 2 4 9 2 6 4 5 12 3 5 4 4 3 4 2 2 1 0 1 1 0 0 1 1 0 125
AT&T CORP. 0 6 4 9 7 7 4 5 7 3 2 4 6 5 5 3 7 6 4 2 2 3 2 1 1 2 4 2 0 1 1 0 0 0 0 1 0 3 3 122
U.S. PHILIPS CORPORATION 3 7 8 5 2 3 1 0 3 0 1 2 2 2 0 3 3 4 18 9 9 4 4 3 4 2 0 2 0 2 8 4 1 0 0 0 0 0 0 119
MITSUBISHI DENKI KABUSHIKI KAISHA 0 0 1 2 1 1 1 0 0 0 0 0 1 0 0 0 0 0 3 3 2 2 6 7 7 8 10 6 6 12 4 6 3 8 4 2 1 4 3 114
SIEMENS AKTIENGESELLSCHAFT 0 0 0 1 3 5 1 1 4 4 0 4 6 4 1 6 3 1 1 1 2 3 1 3 2 0 4 3 1 3 4 7 2 4 4 8 4 5 8 114
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 2 3 5 3 7 8 10 10 12 7 10 11 8 99
BOEING COMPANY 2 1 1 1 0 0 0 0 1 0 3 1 1 1 1 1 2 3 1 1 5 4 5 3 2 2 2 3 1 1 0 2 0 6 0 8 11 11 11 98
ADVANCED MICRO DEVICES, 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 2 2 1 1 2 1 10 3 7 24 20 8 9 5 95
ROCKWELL INTERNATIONAL CORPORATION 4 5 2 0 3 1 1 0 2 3 1 7 2 5 1 0 4 4 7 3 4 5 7 5 4 4 5 0 3 2 0 0 0 0 0 0 0 0 0 94
RAYTHEON COMPANY 0 0 1 1 1 0 0 3 1 4 3 3 0 4 1 5 3 1 3 1 2 1 1 2 1 3 1 0 0 5 5 4 1 7 6 5 2 7 5 93
APPLIED MATERIALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 2 3 2 2 1 1 3 3 4 2 10 13 10 13 11 7 89
SMITHKLINE BECKMAN CORPORATION 9 10 7 5 3 5 3 4 3 1 3 4 3 3 3 3 3 1 3 1 2 3 0 2 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 87
ANDO ELECTRIC CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 1 1 0 4 6 5 8 7 7 1 10 16 11 6 0 0 86
ROBERT BOSCH GMBH 2 0 1 0 1 3 0 0 2 0 2 1 1 0 0 0 0 1 0 0 0 1 0 1 1 2 1 0 0 5 4 9 6 6 3 10 6 7 10 86
UNITED TECHNOLOGIES CORPORATION 5 3 0 0 2 3 4 4 1 3 3 4 5 1 2 4 2 3 8 4 3 3 3 1 6 0 1 1 2 0 0 0 1 0 0 0 0 2 1 85
LUCENT TECHNOLOGIES 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 1 7 8 8 14 8 3 9 4 6 9 6 83
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 0 1 1 0 2 6 5 3 1 1 0 0 0 1 1 1 1 0 3 0 1 0 2 5 5 3 4 2 0 4 4 3 6 15 0 0 0 0 0 81
JOHANNES HEIDENHAIN GMBH 0 1 1 1 0 0 0 0 0 1 3 0 4 0 2 3 2 2 2 3 1 3 2 3 3 1 4 7 4 1 1 1 2 3 3 1 3 6 6 80
SHIMADZU CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 3 1 5 8 7 5 4 1 4 5 3 2 5 6 7 1 7 3 78
CORNING INCORPORATED 0 0 0 0 2 4 0 2 0 2 1 0 0 0 0 3 1 1 1 0 0 1 0 0 1 2 5 2 2 2 2 1 2 10 1 5 2 6 16 77
J. A. WOOLLAM CO. 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 1 0 2 1 3 8 6 1 4 4 7 4 11 25 77
STANFORD UNIVERSITY 0 0 0 0 0 0 0 1 1 0 1 0 0 0 3 1 2 2 10 7 3 3 1 4 4 3 1 3 0 2 2 4 1 1 3 2 1 5 3 74
BODENSEEWERK PERKIN-ELMER + CO. GMBH 1 1 2 3 2 2 2 2 3 3 6 1 4 1 3 2 3 2 0 3 1 2 4 7 2 0 1 2 1 2 2 0 3 0 0 0 0 0 0 73
NEC CORPORATION 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 3 0 0 1 5 1 4 3 5 9 5 10 7 8 2 1 3 0 1 73
CARL ZEISS STIFTUNG 3 1 3 6 0 1 0 2 1 0 0 2 0 2 2 1 3 2 7 4 5 2 3 5 1 5 1 1 1 0 1 0 0 3 1 1 0 1 1 72
KLA-TENCOR 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 3 6 4 8 3 19 7 4 13 5 72
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 0 1 0 0 0 1 2 0 0 1 1 3 1 0 0 1 1 2 1 1 4 1 0 1 3 4 0 2 3 6 6 2 6 5 2 6 0 1 69
XEROX CORPORATION 0 0 2 1 1 3 4 3 2 0 0 0 0 0 0 0 0 0 0 1 0 1 4 3 1 0 2 1 3 4 0 4 3 6 8 2 2 2 6 69
HONEYWELL INTERNATIONAL 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 2 2 7 10 9 7 14 17 68
FUJINON CORPORATION (FORMERLY FUJI PHOTO OPTICAL CO. LTD.) 0 0 0 0 0 0 0 1 0 2 0 1 0 0 1 0 1 0 0 0 0 0 0 1 0 2 2 3 4 4 2 0 9 6 7 6 5 7 3 67
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 0 0 0 0 1 0 1 5 2 6 1 2 3 6 9 14 16 66
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 1 2 0 2 4 1 0 0 0 0 3 0 2 2 0 1 0 5 0 6 2 3 1 0 0 2 2 3 3 2 3 0 1 2 0 3 2 6 65
HORIBA LTD. 0 0 0 0 1 1 0 0 0 0 0 2 1 0 0 0 2 4 2 1 0 0 1 2 3 6 1 0 1 4 1 1 3 2 1 6 4 4 11 65
RCA CORPORATION 0 1 1 1 1 0 3 4 5 1 3 10 3 5 6 1 9 5 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 65
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 2 7 3 2 1 1 2 3 5 5 1 1 0 3 3 4 6 6 3 63
THOMSON-CSF 0 0 0 2 3 1 0 0 0 1 1 3 3 4 5 4 1 4 2 3 4 4 4 1 1 4 0 1 1 2 1 0 1 0 0 0 0 0 0 61
TRW INC. 0 8 8 5 3 1 2 3 0 0 0 0 0 1 0 0 0 0 2 1 0 0 0 0 0 0 2 0 1 3 2 7 4 5 2 1 0 0 0 61
FUJITSU LIMITED 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 2 1 3 2 0 3 2 2 2 2 3 2 2 4 6 2 0 1 5 2 5 5 60
E. I. DU PONT DE NEMOURS AND COMPANY 0 2 2 1 3 2 3 1 0 3 1 2 1 1 2 3 4 1 3 1 1 2 1 2 0 1 1 0 0 2 0 1 2 0 1 1 5 2 1 59
ERNST LEITZ WETZLAR GMBH 3 6 8 3 4 5 7 2 1 2 2 6 1 2 1 3 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58
MICRON TECHNOLOGY, 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 1 0 0 0 0 4 3 3 12 10 9 3 3 3 4 55
ALLIED-SIGNAL INC. 0 0 0 0 0 1 1 2 5 1 0 1 2 0 0 1 3 3 1 3 2 1 5 2 1 6 4 4 2 0 1 0 0 0 0 0 0 0 0 52
LOCKHEED MARTIN 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 1 0 3 4 3 2 2 7 3 9 11 7 52
NORTHROP GRUMMAN 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 7 2 3 4 3 5 1 7 2 3 3 5 7 52
MITUTOYO CORPORATION 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 3 1 0 2 4 3 1 3 5 4 5 6 9 51
NATIONAL RESEARCH DEVELOPMENT CORPORATION 2 4 1 1 2 4 1 3 3 5 2 1 1 4 1 2 4 1 3 1 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 51
TEXAS INSTRUMENTS, INCORPORATED 0 1 1 2 0 2 0 1 0 0 0 0 0 0 1 0 2 1 0 2 0 0 1 3 1 3 1 4 1 1 4 6 1 0 2 4 4 1 0 50
WESTINGHOUSE ELECTRIC CORP. 0 0 3 0 3 3 2 1 2 0 1 2 2 2 1 3 1 0 4 6 3 1 6 2 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 50
CARL ZEISS JENA GMBH 0 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 0 6 3 4 2 3 3 5 6 7 2 46
SHIMADZU SEISAKUSHO LTD. 2 3 3 3 3 0 2 2 1 3 1 0 1 1 0 5 3 5 3 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 45
ADVANTEST CORP. 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 3 5 4 3 1 2 6 5 1 4 6 2 44
ITEK CORPORATION 1 7 8 4 3 5 3 1 1 0 1 0 0 0 1 3 1 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 44
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 0 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 1 0 0 1 1 2 0 0 2 1 0 0 0 2 2 3 5 10 2 2 1 1 43
TOKYO ELECTRON 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 1 0 1 0 0 2 1 1 1 0 2 4 2 13 15 43
JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 2 0 1 1 6 1 2 1 0 2 6 1 1 0 2 2 1 1 2 3 2 0 0 42
ERWIN SICK GMBH OPTIK-ELEKTRONIK 0 0 0 0 0 1 1 1 2 2 0 3 6 2 1 4 1 2 3 3 0 3 1 0 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 41
MCDONNELL DOUGLAS CORP. 1 1 0 0 0 2 1 0 0 0 0 1 1 0 1 0 2 2 2 4 1 4 1 1 0 0 3 2 1 3 3 0 2 1 0 1 0 0 0 41
RICOH COMPANY, LTD. 0 1 2 0 0 1 1 0 0 0 0 0 0 0 0 0 2 1 2 4 2 0 2 2 0 1 1 4 0 4 0 1 1 1 2 1 2 1 2 41
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 3 2 4 1 2 0 4 2 2 5 5 4 0 0 0 0 0 0 0 1 3 1 0 41
TOA MEDICAL ELECTRONICS CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2 7 4 2 10 3 3 9 0 0 0 0 0 0 0 0 0 41
BAXTER INTERNATIONAL INC. 0 0 4 0 3 4 2 2 3 4 0 3 4 3 0 0 0 0 1 1 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 2 0 40
SONY CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 1 0 1 4 1 4 5 5 3 3 4 2 1 1 1 1 40
TECHNICON INSTRUMENTS CORPORATION 1 8 3 6 7 1 1 4 1 3 0 2 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39
AMERICAN OPTICAL CORPORATION 1 3 4 5 3 3 2 4 0 2 1 4 3 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 37
ASML NETHERLANDS B.V. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0