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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 1998 - 2002 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 70 75 75 32 59 311
NIKON CORPORATION 29 25 19 12 12 97
CANON KABUSHIKI KAISHA 33 20 18 10 12 93
KABUSHIKI KAISHA TOPCON 13 16 23 8 12 72
INTERNATIONAL BUSINESS MACHINES CORPORATION 17 20 13 7 8 65
LITTON SYSTEMS INC. 13 13 9 6 4 45
HITACHI, LTD 6 7 13 5 11 42
LUCENT TECHNOLOGIES INC. 8 8 14 8 3 41
NEC CORPORATION 9 5 10 7 8 39
ZYGO CORPORATION 10 4 6 15 4 39
UNITED STATES OF AMERICA, NAVY 17 4 11 2 4 38
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 7 8 10 10 38
HONEYWELL INC. 9 13 9 6 0 37
MINOLTA CAMERA CO., LTD. 3 7 6 11 9 36
ANDO ELECTRIC CO., LTD. 8 7 7 1 10 33
HEWLETT-PACKARD COMPANY 11 8 11 2 1 33
MITSUBISHI DENKI KABUSHIKI KAISHA 12 4 6 3 8 33
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 4 4 3 6 15 32
MICRON TECHNOLOGY, INC. 4 3 3 12 10 32
OLYMPUS OPTICAL CO., LTD. 8 6 7 1 8 30
ROBERT BOSCH GMBH 5 4 9 6 6 30
GENERAL ELECTRIC COMPANY 9 7 9 0 3 28
LJ LABORATORIES, L.L.C. 1 4 3 12 8 28
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 6 7 9 1 5 28
EASTMAN KODAK COMPANY 4 3 11 6 3 27
KLA-TENCOR CORPORATION 3 6 4 8 3 24
ADVANCED MICRO DEVICES, INC. 2 1 10 3 7 23
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 3 6 6 2 6 23
APPLIED MATERIALS, INC. 3 3 4 2 10 22
J. A. WOOLLAM CO. INC. 3 8 6 1 4 22
RAYTHEON COMPANY 5 5 4 1 7 22
FUJI PHOTO OPTICAL CO. LTD. 4 2 0 9 6 21
TRW INC. 3 2 7 4 5 21
NORTHROP GRUMMAN CORPORATION 4 3 5 1 7 20
SIEMENS AKTIENGESELLSCHAFT 3 4 7 2 4 20
SONY CORPORATION 5 5 3 3 4 20
BROWN UNIVERSITY RESEARCH FOUNDATION 4 4 2 7 2 19
FUJI PHOTO FILM CO., LTD 3 9 0 3 4 19
SHIMADZU CORPORATION 4 5 3 2 5 19
CARL ZEISS JENA GMBH 6 3 4 2 3 18
THERMA-WAVE, INC. 1 4 1 7 5 18
CORNING INCORPORATED 2 2 1 2 10 17
SANDIA CORPORATION 4 8 4 1 0 17
XEROX CORPORATION 4 0 4 3 6 17
ADVANTEST CORP. 4 3 1 2 6 16
SAMSUNG ELECTRONICS CO., LTD. 5 2 6 1 2 16
TOSHIBA CORPORATION 3 4 6 1 2 16
AGILENT TECHNOLOGIES, INC. 0 0 1 3 11 15
U.S. PHILIPS CORPORATION 2 8 4 1 0 15
FUJITSU LIMITED 2 4 6 2 0 14
LOCKHEED MARTIN CORPORATION 3 4 3 2 2 14
UNITED STATES OF AMERICA, AIR FORCE 5 3 4 0 2 14
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 2 6 4 2 0 14
LASER TECHNOLOGY, INC. 2 5 3 1 2 13
MITUTOYO CORPORATION 2 4 3 1 3 13
PHASE METRICS, INC. 8 2 1 2 0 13
UNITED STATES OF AMERICA, ARMY 6 3 2 1 1 13
AMERICAN AIR LIQUIDE, INC. 3 3 2 1 3 12
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. 0 2 2 3 5 12
KYOTO DAIICHI KAGAKU CO., LTD. 6 2 2 1 1 12
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 1 3 4 3 1 12
TEXAS INSTRUMENTS, INCORPORATED 1 4 6 1 0 12
BAYER CORPORATION 4 2 0 4 1 11
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANTEN FORSCHUNG E.V. 1 1 5 1 3 11
GENERAL SCANNING INC. 3 0 3 3 2 11
HITACHI ELECTRONICS ENGINEERING CO., LTD. 3 5 1 1 1 11
HONEYWELL INTERNATIONAL INC. 0 0 2 2 7 11
HORIBA LTD. 4 1 1 3 2 11
TEXTRON SYSTEMS CORPORATION 3 1 0 4 3 11
TROPEL CORPORATION 4 5 1 0 1 11
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 5 1 1 0 3 10
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 2 2 4 1 1 10
ACTIVE IMPULSE SYSTEMS, INC. 1 0 5 2 1 9
BOEING COMPANY 1 0 2 0 6 9
COMMISSARIAT A L'ENERGIE ATOMIQUE 3 2 3 0 1 9
CYBEROPTICS CORPORATION 0 0 3 3 3 9
MCDONNELL DOUGLAS CORP. 3 3 0 2 1 9
NATIONAL RESEARCH COUNCIL OF CANADA 1 4 2 2 0 9
SPECTRA PRECISION, INC. 2 2 3 1 1 9
TOA MEDICAL ELECTRONICS CO., LTD. 9 0 0 0 0 9
APPLIED SPECTRAL IMAGING LTD. 2 3 2 1 0 8
BIO-RAD LABORATORIES, INC. 2 1 5 0 0 8
CYMER, INC. 1 1 1 2 3 8
FUJI ELECTRIC CO., LTD. 1 2 3 1 1 8
JOHANNES HEIDENHAIN GMBH 1 1 1 2 3 8
JOHNSON & JOHNSON VISION PRODUCTS, INC. 6 1 1 0 0 8
KAISER OPTICAL SYSTEMS, INC. 0 4 2 1 1 8
KOMATSU LTD. 3 2 1 2 0 8
LEICA GEOSYSTEMS AG 1 1 2 2 2 8
LOCKHEED MARTIN ENERGY RESEARCH CORPORATION 0 4 2 1 1 8
N & K TECHNOLOGY, INC. 0 2 4 1 1 8
NOVA MEASURING INSTRUMENTS, LTD. 1 0 2 2 3 8
PACIFIC SCIENTIFIC INSTRUMENTS COMPANY 0 1 5 0 2 8
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 3 3 1 0 1 8
TRIMBLE NAVIGATION, LTD. 1 0 3 1 3 8
UNIVERSITY OF WASHINGTON 3 1 1 0 3 8
X-RITE, INCORPORATED 0 1 2 3 2 8
ASML NETHERLANDS B.V. 1 0 4 0 2 7
BODENSEEWERK PERKIN-ELMER + CO. GMBH 2 2 0 3 0 7
INNOVATIVE LASERS CORPORATION 1 3 2 1 0 7
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 0 1 1 0 5 7
LAM RESEARCH CORPORATION 1 1 4 0 1 7
MOLECULAR DEVICES CORPORATION 0 1 1 3 2 7
MOTOROLA, INC. 2 4 1 0 0 7
OMRON CORPORATION 4 0 2 0 1 7
OWENS-BROCKWAY GLASS CONTAINER INC. 0 2 4 1 0 7
PRUFTECHNIK DIETER BUSCH AG 0 0 3 0 4 7
RICOH COMPANY, LTD. 4 0 1 1 1 7
SYMYX TECHNOLOGIES, INC. 0 0 3 1 3 7
UNITED MICROELECTRONICS CORPORATION 2 0 3 1 1 7
ACUITY IMAGING, LLC 1 1 2 2 0 6
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 0 2 2 1 1 6
ALCATEL 0 0 2 1 3 6
BASF AKTIENGESELLSCHAFT 1 4 0 1 0 6
BECTON, DICKINSON AND COMPANY 2 2 1 0 1 6
CANDELA INSTRUMENTS, INC. 0 0 2 3 1 6
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIC (CNRS) 1 0 0 4 1 6
COGNEX CORPORATION 1 3 1 1 0 6
COORS BREWING COMPANY 1 0 4 0 1 6
DEUTSCHE FORSCHUNGSANSTALT FUR LUFT- UND RAUMFAHRT E.V. 2 4 0 0 0 6
INTEL CORPORATION 2 1 0 1 2 6
LEICA MICROSYSTEMS INC. 0 1 1 1 3 6
LUCID, INC. (FORMERLY PORTABLE COMPUTER) 1 3 2 0 0 6
NCR CORPORATION 0 1 1 1 3 6
NIDEK CO., LTD. 2 2 0 1 1 6
NIPPON TELEGRAPH & TELEPHONE CORP. 4 0 1 0 1 6
NORTEL NETWORKS CORPORATION 0 1 0 2 3 6
PARTICLE MEASURING SYSTEMS, INC. 2 2 0 2 0 6
SEXTANT AVIONIQUE 1 3 2 0 0 6
SICK AG 0 3 3 0 0 6
TEXAS A&M UNIVERSITY SYSTEM 0 1 1 3 1 6
WATERS INVESTMENTS LIMITED 0 2 1 1 2 6
ADE OPTICAL SYSTEMS CORPORATION 1 0 2 2 0 5
ANRITSU CORPORATION 0 2 1 1 1 5
ARCTURUS ENGINEERING, INC. 0 1 1 2 1 5
BOEHRINGER MANNHEIM G.M.B.H. 2 0 2 1 0 5
BYK-GARDNER GMBH 3 1 0 0 1 5
DENSO CORPORATION 0 1 0 2 2 5
E. I. DU PONT DE NEMOURS AND COMPANY 2 0 1 2 0 5
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 3 0 1 1 0 5
HARTFORD HOSPITAL 1 3 1 0 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 0 0 2 2 5
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 1 1 2 0 1 5
LEICA MICROSYSTEMS WETZLAR GMBH 0 1 0 2 2 5
LJL BIOSYSTEMS INC. 0 0 0 2 3 5
MICRON OPTICS, INC. 1 1 1 1 1 5
MITSUI MINING + SMELTING CO., LTD. 2 1 1 1 0 5
NEW CREATION CO., LTD. 4 0 0 1 0 5
PFIZER INC. 0 3 1 0 1 5
POLAROID CORPORATION 5 0 0 0 0 5
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 1 1 2 1 0 5
ROBOTIC VISION SYSTEMS, INC. 3 0 0 0 2 5
SAMSUNG AEROSPACE INDUSTRIES, LTD. 4 0 0 0 1 5
SCHLUMBERGER TECHNOLOGY CORPORATION 1 1 3 0 0 5
SEIKO PRECISION INC. 3 0 1 1 0 5
SEMICONDUCTOR TECHNOLOGIES & INSTRUMENTS, INC. 1 1 1 1 1 5
SOUTHWEST SCIENCES, INCORPORATED 0 2 0 1 2 5
SVG LITHOGRAPHY SYSTEMS, INC. 1 3 0 0 1 5
TELEFONAKTIEBOLAGET LM ERICSSON 2 2 1 0 0 5
TOKYO ELECTRON LIMITED 2 1 1 1 0 5
ULTRAPOINTE CORPORATION 2 2 0 1 0 5
UNITED STATES OF AMERICA, DEPARTMENT OF COMMERCE 2 2 1 0 0 5
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 1 0 1 1 5
ZELLWEGER LUWA AG 0 1 2 2 0 5
ZELLWEGER USTER, INC. 0 1 3 1 0 5


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