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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 359, Optics: Systems (Including Communication) and Elements

( 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 143 148 135 160 168 754
OLYMPUS OPTICAL CO., LTD. 86 63 94 84 74 401
CANON KABUSHIKI KAISHA 79 70 74 88 69 380
NIKON CORPORATION 135 79 45 50 41 350
FUJITSU LIMITED 62 66 58 65 84 335
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 66 70 69 66 63 334
LUCENT TECHNOLOGIES INC. 70 67 73 54 40 304
NEC CORPORATION 45 40 44 51 40 220
FUJI PHOTO OPTICAL CO. LTD. 29 40 56 42 37 204
MINOLTA CAMERA CO., LTD. 21 58 49 38 33 199
EASTMAN KODAK COMPANY 45 23 33 14 15 130
SAMSUNG ELECTRONICS CO., LTD. 12 20 33 34 19 118
SONY CORPORATION 21 20 19 31 19 110
3M INNOVATIVE PROPERTIES COMPANY 0 16 27 22 24 89
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 21 20 9 14 25 89
ALCATEL 0 5 19 29 32 85
RAYTHEON COMPANY 12 17 22 15 11 77
NORTEL NETWORKS CORPORATION 0 3 19 24 29 75
CARL ZEISS STIFTUNG 12 14 10 16 19 71
HITACHI, LTD 11 12 14 15 19 71
RICOH COMPANY, LTD. 11 10 14 17 17 69
XEROX CORPORATION 16 12 14 9 17 68
INTERNATIONAL BUSINESS MACHINES CORPORATION 22 13 8 11 11 65
GENTEX CORPORATION 7 4 14 19 20 64
TOSHIBA CORPORATION 14 19 13 5 11 62
DONNELLY CORPORATION 9 11 12 21 8 61
CIENA CORPORATION 7 7 11 15 16 56
CORNING INCORPORATED 5 3 8 16 23 55
DAEWOO ELECTRONICS COMPANY, LTD. 27 18 10 0 0 55
DAI NIPPON PRINTING CO. LTD 5 8 19 11 11 54
SEIKO EPSON CORPORATION 3 6 11 12 21 53
FUJI PHOTO FILM CO., LTD 9 7 11 15 10 52
BRITISH TELECOMMUNICATION, PLC 10 14 10 10 6 50
TEXAS INSTRUMENTS, INCORPORATED 15 10 8 11 5 49
UNITED STATES OF AMERICA, NAVY 9 7 9 5 17 47
U.S. PHILIPS CORPORATION 8 11 13 11 2 45
MITSUBISHI DENKI KABUSHIKI KAISHA 7 12 5 7 13 44
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 6 10 8 6 14 44
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 8 12 10 7 7 44
FUJI XEROX CO., LTD. 14 7 10 10 2 43
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA 13 18 3 7 1 42
MINNESOTA MINING AND MANUFACTURING COMPANY 25 12 2 0 0 39
HEWLETT-PACKARD COMPANY 6 9 13 6 3 37
TRW INC. 1 4 7 15 8 35
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 7 5 8 4 9 33
UNITED STATES OF AMERICA, ARMY 13 9 2 4 5 33
CARL ZEISS JENA GMBH 6 4 7 13 2 32
INTEL CORPORATION 0 3 10 9 10 32
KONICA CORPORATION 6 6 6 8 6 32
OKI ELECTRIC INDUSTRY CO., LTD. 4 5 6 6 8 29
UNITED STATES OF AMERICA, AIR FORCE 1 11 5 6 6 29
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. 3 5 5 6 9 28
SAMSUNG AEROSPACE INDUSTRIES, LTD. 13 11 4 0 0 28
AT&T CORP. 3 6 6 4 8 27
MCI COMMUNICATIONS CORP. 4 9 8 5 1 27
SDL, INC. 3 10 5 4 5 27
LOCKHEED MARTIN CORPORATION 4 3 7 7 5 26
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 4 4 4 4 10 26
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 7 3 7 1 8 26
AGILENT TECHNOLOGIES, INC. 0 0 2 13 10 25
MOTOROLA, INC. 6 5 11 2 1 25
NIPPON SHEET GLASS CO., LTD. 0 5 5 6 9 25
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 2 4 6 10 25
NORTHROP GRUMMAN CORPORATION 5 6 10 2 1 24
ALCATEL N. V. 18 4 0 0 1 23
DIGILENS, INC. 0 0 7 8 8 23
JDS UNIPHASE CORPORATION 0 0 3 5 15 23
TELEFONAKTIEBOLAGET LM ERICSSON 2 1 10 5 5 23
NIPPON TELEGRAPH & TELEPHONE CORP. 2 4 3 5 8 22
LG ELECTRONICS INC. 5 3 7 3 3 21
NORTHERN TELECOM LIMITED 10 9 2 0 0 21
U.S. PRECISION LENS, INC. 2 8 6 2 3 21
LITTON SYSTEMS INC. 4 1 9 6 0 20
SIEMENS AKTIENGESELLSCHAFT 3 4 4 3 6 20
TYCOM (US) INC. 0 0 0 7 13 20
ALPS ELECTRIC CO., LTD. 6 2 4 3 4 19
AVANEX CORPORATION 0 0 0 6 13 19
THOMSON-CSF 6 2 3 5 3 19
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 1 17 18
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 5 0 6 1 6 18
FRANCE TELECOM 9 4 1 3 1 18
FURUKAWA ELECTRIC CO., LTD. 4 3 1 4 6 18
MCDONNELL DOUGLAS CORP. 7 7 3 1 0 18
POLAROID CORPORATION 5 7 5 0 1 18
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 1 3 4 7 3 18
UNIVERSITY OF WASHINGTON 2 5 5 4 2 18
ANDO ELECTRIC CO., LTD. 3 2 5 4 3 17
OPTICAL COATING LABORATORY, INC. 3 8 3 1 2 17
PIRELLI CAVI S.P.A. 8 6 2 1 0 17
SCIENTIFIC-ATLANTA, INC. 2 3 1 2 9 17
TYCO SUBMARINE SYSTEMS LTD. 1 5 9 2 0 17
UMAX DATA SYSTEMS INC. 4 1 3 3 6 17
HARRIS CORP. 2 2 4 5 3 16
DENSO CORPORATION 0 0 4 6 5 15
DIGITAL OPTICS CORPORATION 1 2 6 2 4 15
HUGHES ELECTRONIC DEVICES CORPORATION 15 0 0 0 0 15
KURARAY CO., LTD. 3 0 3 3 6 15
NEW FOCUS, INC. 3 2 2 6 2 15
ONETTA INC. 0 0 0 0 15 15
PIRELLI CAVI E SISTEMI S.P.A. 0 0 2 10 3 15
JDS FITEL INC. 6 1 1 3 3 14
PIONEER ELECTRONIC CORPORATION 3 2 6 3 0 14
TOKAI RIKA DENKI SEISAKUSHO K.K. 0 1 1 3 9 14
VICTOR COMPANY OF JAPAN, LIMITED 1 4 4 5 0 14
CHORUM TECHNOLOGIES INC. 0 3 6 4 0 13
CORVIS CORPORATION 0 0 2 3 8 13
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 13 13
REITTER & SCHEFENACKER GMBH & CO. KG 1 3 0 4 5 13
SANKYO SEIKI MFG. CO., LTD. 2 4 1 5 1 13
SIROS TECHNOLOGIES, INC. 0 2 9 2 0 13
TELCORDIA TECHNOLOGIES, INC. 0 3 5 4 1 13
BAYER AKTIENGESELLSCHAFT 0 0 1 3 8 12
LIGHT & SOUND DESIGN, LTD. 1 3 2 4 2 12
PIONEER CORPORATION 0 0 0 5 7 12
ROBERT BOSCH GMBH 3 1 1 3 4 12
BOEING COMPANY 2 2 1 3 3 11
LANG-MEKRA NORTH AMERICA, LLC 0 0 0 2 9 11
LEICA MICROSYSTEMS AG 0 1 1 2 7 11
MUSTEK SYSTEMS, INC. 1 4 3 2 1 11
PILKINGTON P-E LIMITED 3 1 3 1 3 11
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 0 3 2 3 3 11
AXSUN TECHNOLOGIES, INC. 0 0 0 0 10 10
COMMISSARIAT A L'ENERGIE ATOMIQUE 5 2 1 1 1 10
E INK CORPORATION 0 0 2 4 4 10
HUGHES ELECTRONICS CORP. 3 0 1 4 2 10
IMRA AMERICA, INC. 2 2 2 3 1 10
JDS UNIPHASE INC. 0 0 0 4 6 10
KABUSHIKI KAISHA TOPCON 3 3 1 3 0 10
MICROOPTICAL CORPORATION 0 1 2 2 5 10
MURAKAMI CORPORATION 1 3 0 4 2 10
NGK INSULATORS LTD. 2 2 2 3 1 10
SANDIA CORPORATION 5 2 1 1 1 10
SANYO ELECTRIC CO., LTD. 3 1 3 1 2 10
AGERE SYSTEMS OPTOELECTRONICS GUARDIAN CORP. 0 0 0 8 1 9
E-TEK DYNAMICS, INC. 2 1 3 3 0 9
ENPLAS CORPORATION 1 1 0 5 2 9
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANTEN FORSCHUNG E.V. 0 0 4 2 3 9
METAGAL INDUSTRIA E COMERCIO LTDA. 2 2 1 0 4 9
NEC RESEARCH INSTITUTE, INC. 1 2 5 0 1 9
NITTO DENKO CORPORATION 0 0 1 2 6 9
OPLINK COMMUNICATIONS, INC. 1 1 2 1 4 9
PHILIPS ELECTRONICS NORTH AMERICA CORP. 1 3 1 4 0 9
REFLEXITE CORPORATION 2 0 3 1 3 9
SILICON LIGHT MACHINES INC. 2 1 2 2 2 9
ZEBRA IMAGING, INC. 0 0 1 4 4 9
AGFA CORPORATION 0 3 3 2 0 8
ALCATEL ALSTHOM COMPAGNIE GENERALE D'ELECTRICITE 3 4 1 0 0 8
ANVIK CORPORATION 2 1 3 1 1 8
AVISION INC. 2 0 1 1 4 8
CHORUM TECHNOLOGIES LP 0 0 0 3 5 8
COMPAQ COMPUTER CORPORATION, INC. 1 2 2 2 1 8
CONTRAVES SPACE AG 0 0 1 5 2 8
CORNING PRECISION LENS, INCORPORATED 0 0 0 4 4 8
HONEYWELL INC. 3 2 1 0 2 8
I-O DISPLAY SYSTEMS LLC 0 5 2 0 1 8
KIMOTO & CO., LTD. 3 2 1 1 1 8
LEICA MICROSYSTEMS WETZLAR GMBH 0 0 1 3 4 8
MCNC 0 1 2 3 2 8
MEKRA LANG GMBH & CO. KG 1 1 0 2 4 8
MEMSOLUTIONS, INC. 0 2 6 0 0 8
MOXTEK, INC. 0 0 3 3 2 8
PRINCETON UNIVERSITY 3 2 1 2 0 8
REVEO, INC. 1 2 1 2 2 8
ROHM COMPANY LIMITED 0 0 2 1 5 8
SENECA NETWORKS, INC. 0 0 0 4 4 8
SEXTANT AVIONIQUE 4 1 1 2 0 8
SHIN ETSU CHEMICAL CO., LTD. 0 2 2 1 3 8
SYCAMORE NETWORKS, INC. 0 0 0 0 8 8
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 0 1 3 2 8
ALCATEL SUBMARINE NETWORKS, INC. 4 1 1 0 1 7
ASAHI SEIMITU KABUSHIKI KAISHA 1 2 2 0 2 7
BLUE SKY RESEARCH, INC. 2 2 3 0 0 7
DICON FIBEROPTICS, INC. 2 1 1 1 2 7
DONNELLY HOHE GMBH & CO. KG 0 1 0 3 3 7
KDD CORPORATION 0 0 3 2 2 7
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 0 0 0 4 3 7
LEICA GEOSYSTEMS AG 0 3 1 0 3 7
LEICA MICROSYSTEMS HEIDELBERG GMBH 0 0 1 1 5 7
LEXMARK INTERNATIONAL, INC. 0 4 0 1 2 7
MAGNA MIRROR SYSTEMS INC. 0 0 1 2 4 7
MARCONI COMMUNICATIONS LIMITED 0 0 1 3 3 7
MICROVISION, INC. 0 0 1 4 2 7
MITUTOYO CORPORATION 0 1 2 1 3 7
MONSANTO COMPANY, INC. 5 1 1 0 0 7
NIPPON OIL COMPANY LTD. 2 2 2 1 0 7
PPG INDUSTRIES OHIO INC. 0 5 1 0 1 7
PSC SCANNING, INC. 0 0 2 4 1 7
ROSCO, INC. 0 1 1 2 3 7
SAMSUNG ELECTRO-MECHANICS CO., LTD. 3 1 2 0 1 7
TDK CORPORATION 0 2 3 1 1 7
TELLIUM, INC. 1 0 0 5 1 7
THOMSON MULTIMEDIA S.A. 3 2 2 0 0 7
UNIVERSITY OF BRITISH COLUMBIA 0 2 0 1 4 7
VARI-LITE, INC. 2 2 2 1 0 7
YOKOGAWA ELECTRIC CORP. 2 0 2 2 1 7
BELL ATLANTIC NETWORK SERVICES, INC. 1 4 1 0 0 6
CARNEGIE-MELLON UNIVERSITY 3 0 2 0 1 6
CENTRAL GLASS COMPANY, LIMITED 0 1 1 3 1 6
COHERENT, INC. 2 1 2 1 0 6
CORNING APPLIED TECHNOLOGIES CORP. 0 0 0 2 4 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 0 0 5 1 6
DITECH CORPORATION 0 2 1 1 2 6
DUKE UNIVERSITY INC. 0 0 0 4 2 6
ETEC SYSTEMS, INC. 2 0 1 3 0 6
GENERAL ELECTRIC COMPANY 3 0 1 1 1 6
HITACHI KOKI COMPANY, LIMITED 1 2 0 1 2 6
HRL LABORATORIES, LLC 0 0 0 1 5 6
ITT CORPORATION 3 3 0 0 0 6
KOITO MANUFACTURING COMPANY LIMITED 2 3 0 1 0 6
LEICA MIKROSKOPIE UND SYSTEME GMBH 3 1 1 1 0 6
LEVELITE TECHNOLOGY, INC. 0 4 1 1 0 6
MITSUMI ELECTRIC CO., LTD. 0 0 0 4 2 6
MIXED REALITY SYSTEMS LABORATORY INC. 0 0 1 3 2 6
MURAKAMI KAIMEIDO CO., LTD. 5 0 1 0 0 6
NATIONAL RESEARCH COUNCIL OF CANADA 0 1 0 3 2 6
NEWPORT CORPORATION 1 1 2 2 0 6
NIPPON CARBIDE KOGYO KABUSHIKI KAISHA 2 2 0 1 1 6
NIPPONDENSO CO., LTD. 5 1 0 0 0 6
NOKIA NETWORKS OY 0 0 0 1 5 6
OERLIKON-CONTRAVES AG 0 5 1 0 0 6
OVD KINEGRAM AG 0 0 1 2 3 6
QUANTUM CORP. (CA) 4 1 0 1 0 6
RAYTHEON TI SYSTEMS, INC. 4 2 0 0 0 6
REFLECTIVITY, INC. 1 0 1 1 3 6
ROCKWELL INTERNATIONAL CORPORATION 3 3 0 0 0 6
TERABEAM CORPORATION 0 0 0 0 6 6
UNAXIS BALZERS AKTIENGESELLSCHAFT 0 0 0 3 3 6
UNIVERSITY OF MARYLAND 1 0 1 1 3 6
UNIVERSITY OF ROCHESTER 1 2 0 2 1 6
UNIVERSITY TECHNOLOGY CORPORATION 1 1 2 1 1 6
XTERA COMMUNICATIONS, INC. 0 0 1 2 3 6
YEDA RESEARCH AND DEVELOPMENT CO., LTD. 0 1 0 4 1 6
3COM CORPORATION 0 0 1 1 3 5
ACER PERIPHERALS, INC. 0 0 1 2 2 5
ADVANCED OPTICAL TECHNOLOGIES, INC. 0 0 1 3 1 5
ADVANCED PRECISION TECHNOLOGY, INC. 0 2 2 0 1 5
AGFA DIVISION, BAYER CORPORATION 3 2 0 0 0 5
AISIN SEIKI KABUSHIKI KAISHA 2 2 0 1 0 5
AMERICAN SPRAY COATING, A CALIFORNIA JOINT VENTURE 0 0 0 1 4 5
BE HERE CORPORATION 0 0 0 2 3 5
BELL COMMUNICATIONS RESEARCH, INC. 3 1 1 0 0 5
CENTRAL RESEARCH LABORATORIES LIMITED 1 1 0 1 2 5
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION 1 2 1 0 1 5
DIGITAL EQUIPMENT CORPORATION 0 4 1 0 0 5
DISCOVISION ASSOCIATES 3 0 1 1 0 5
GENERAL HOSPITAL CORPORATION 0 3 1 0 1 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 2 1 1 1 5
HUGHES-JVC TECHNOLOGY CORPORATION 1 4 0 0 0 5
INTERMEC IP CORP. 0 3 1 1 0 5
INTERNATIONAL TECHNOLOGIES (LASERS) LTD. 1 0 1 1 2 5
ITT MANUFACTURING ENTERPRISES, INC. 0 1 2 1 1 5
KYOCERA CORPORATION 0 2 1 2 0 5
LEICA CAMERA AG 0 0 2 3 0 5
LEICA MIKROSKOPIE SYSTEME AG 0 3 2 0 0 5
MAGNA REFLEX HOLDING GMBH 0 0 2 2 1 5
MCI WORLDCOM, INC. 0 2 1 0 2 5
MITAKA KOHKI COMPANY LTD. 2 1 0 1 1 5
MOLECULAR OPTOELECTRONICS CORPORATION 1 0 1 2 1 5
NIPPON MITSUBISHI OIL CORPORATION 0 0 1 2 2 5
NORTHWESTERN UNIVERSITY 0 0 2 1 2 5
ONI SYSTEMS CORP. 0 0 0 3 2 5
OPTIMIZE INCORPORATED 0 2 2 1 0 5
ROCKWELL COLLINS, INC. 0 0 1 2 2 5
ROCKWELL TECHNOLOGIES, LLC 0 0 2 2 1 5
SEAGATE TECHNOLOGY, INCORPORATED 0 2 3 0 0 5
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 0 2 2 1 0 5
SICK AG 2 0 3 0 0 5
SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE 4 1 0 0 0 5
SPECTRA-PHYSICS LASERS, INC. 1 0 1 1 2 5
SUN MICROSYSTEMS, INC. 1 0 2 1 1 5
TELOPTICS CORPORATION 0 0 0 3 2 5
TREX COMMUNICATIONS CORPORATION 2 0 0 1 2 5
UNIVERSITY OF ALABAMA 3 0 1 0 1 5
W. L. GORE & ASSSOCIATES, INC. 1 4 0 0 0 5


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