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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 2000 - 2004 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 219, Electric Heating

( 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 180 124 125 112 128 669
ILLINOIS TOOL WORKS INC. 29 27 28 24 36 144
SAMSUNG ELECTRONICS CO., LTD. 26 19 29 16 47 137
GENERAL ELECTRIC COMPANY 19 23 32 25 29 128
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 25 23 17 19 18 102
MITSUBISHI DENKI KABUSHIKI KAISHA 11 13 16 20 25 85
LINCOLN GLOBAL, INC. 11 17 16 16 11 71
TOKYO ELECTRON LIMITED 11 11 16 11 13 62
LG ELECTRONICS INC. 14 8 15 10 12 59
CANON KABUSHIKI KAISHA 12 9 10 12 11 54
APPLIED MATERIALS, INC. 6 9 17 11 5 48
MAYTAG CORPORATION 3 9 12 7 17 48
INTERNATIONAL BUSINESS MACHINES CORPORATION 18 11 3 2 1 35
NGK SPARK PLUG CO., LTD. 5 5 5 8 10 33
SCHOTT GLASWERKE 3 7 7 7 6 30
TOSHIBA CORPORATION 5 7 5 7 4 28
DELPHI TECHNOLOGIES, INC. 1 7 4 7 8 27
MICRON TECHNOLOGY, INC. 8 4 6 3 5 26
BOEING COMPANY 5 5 5 6 4 25
THE ESAB GROUP, INC. 8 6 7 3 1 25
LSP TECHNOLOGIES, INC. 5 5 6 6 2 24
WHIRLPOOL CORPORATION 5 4 4 7 4 24
SODICK CO., LTD. 4 9 7 3 0 23
NEC CORPORATION 6 6 3 4 3 22
DENSO CORPORATION 7 3 5 2 4 21
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 3 4 7 4 3 21
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 1 10 0 3 21
SIEMENS AKTIENGESELLSCHAFT 1 2 5 5 8 21
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 1 4 3 7 5 20
SANYO ELECTRIC CO., LTD. 3 5 3 7 2 20
FANUC LTD. 4 4 3 4 4 19
MITSUBISHI HEAVY INDUSTRIES, LTD. 6 4 5 4 0 19
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 4 3 6 5 1 19
MATTSON TECHNOLOGY, INC. 3 5 4 3 3 18
ROBERT BOSCH GMBH 3 4 2 5 4 18
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 4 3 6 3 18
BOSCH SIEMENS HAUSGERATE GMBH 3 5 3 4 2 17
CEM CORPORATION 2 6 2 4 3 17
CERAMASPEED LIMITED 8 6 2 1 0 17
GENERAL MOTORS CORPORATION 2 0 2 6 7 17
HITACHI, LTD 3 5 2 3 4 17
IBIDEN CO., LTD. 0 3 2 5 7 17
EMERSON ELECTRIC CO. 1 3 5 3 4 16
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 6 2 0 3 5 16
LA SOUDURE AUTOGENE FRANCAISE 7 4 2 2 0 15
MIYACHI TECHNOS CORPORATION 6 3 5 1 0 15
BERU AG 1 3 2 5 3 14
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 4 2 3 5 0 14
HYPERTHERM, INC. 4 1 4 3 2 14
NGK INSULATORS LTD. 4 6 1 2 1 14
RICOH COMPANY, LTD. 3 2 1 4 4 14
THERMAL DYNAMICS CORPORATION 1 0 4 1 8 14
AGIE SA 1 3 2 5 2 13
ASM AMERICA, INC. 0 4 3 3 3 13
E.G.O. ELEKTRO-GERATEBAU GMBH 2 4 3 1 3 13
ELPATRONIC AG 2 2 3 1 5 13
W. A. WHITNEY CORP. 1 3 5 3 1 13
ADVANCED MICRO DEVICES, INC. 3 0 5 2 2 12
KOMATSU LTD. 1 6 2 1 2 12
SEAGATE TECHNOLOGY, LLC 1 5 2 0 4 12
SEB S.A. 2 5 0 3 2 12
VESTURE CORPORATION 3 2 5 2 0 12
CORNING INCORPORATED 1 1 4 4 1 11
ELECTRO SCIENTIFIC INDUSTRIES, INC. 0 1 2 2 6 11
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 4 3 0 3 11
MSX, INC. 4 6 1 0 0 11
TUTCO, INC. 1 0 0 6 4 11
EASTMAN KODAK COMPANY 3 1 2 1 3 10
FORT JAMES CORPORATION 2 3 3 1 1 10
HEWLETT-PACKARD COMPANY 3 3 4 0 0 10
HP INTELLECTUAL CORP. 4 1 2 3 0 10
INDUSTRIAL MICROWAVE SYSTEMS, L.L.C. 3 3 1 1 2 10
LILLBACKA JETAIR OY 2 4 1 3 0 10
NISSAN MOTOR COMPANY, LIMITED 2 3 3 0 2 10
SANDIA CORPORATION 4 1 4 1 0 10
SANSHA ELECTRIC MANUFACTURING CO., LTD. 4 2 1 1 2 10
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 4 1 3 1 1 10
THERMAL SOLUTIONS INC. 0 4 1 3 2 10
UNITED TECHNOLOGIES CORPORATION 3 3 1 1 2 10
VISTEON GLOBAL TECHNOLOGIES, INC. 0 4 0 4 2 10
WATLOW ELECTRIC MANUFACTURING COMPANY 4 2 3 0 1 10
XEROX CORPORATION 0 2 4 2 2 10
CHROMALLOY GAS TURBINE CORPORATION 4 1 3 1 0 9
KYOCERA CORPORATION 3 1 1 2 2 9
LUCENT TECHNOLOGIES INC. 4 4 0 1 0 9
MALDEN MILLS INDUSTRIES, INC. 2 2 3 1 1 9
SEIKO EPSON CORPORATION 2 0 1 5 1 9
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 1 0 0 2 6 9
WELCOME COMPANY, LTD. 2 2 1 3 1 9
CHARMILLES TECHNOLOGIES SA - GENEVA 2 1 3 2 0 8
FUJITSU LIMITED 1 1 1 3 2 8
GRAPHIC PACKAGING CORPORATION 2 1 3 1 1 8
HAKKO CORPORATION 2 1 0 1 4 8
HAMILTON BEACH/PROCTOR-SILEX, INC. 0 0 5 3 0 8
KISWEL, LTD. 0 0 2 2 4 8
MEDTRONIC INC. 2 3 1 0 2 8
SONY CORPORATION 1 0 1 1 5 8
THE HOLMES GROUP, INC. 0 1 2 2 3 8
TOSHIBA TEC KABUSHIKI KAISHA 0 2 3 3 0 8
USHIO DENKI KABUSHIKI KAISYA 1 1 3 3 0 8
ALCATEL 2 3 1 0 1 7
AMERITHERM, INC. 0 3 2 1 1 7
APPLIED SCIENCE & TECHNOLOGY, INC. 1 0 2 3 1 7
BROTHER KOGYO KABUSHIKI KAISHA 4 2 0 1 0 7
DANA CORPORATION 1 1 1 1 3 7
FORD GLOBAL TECHNOLOGIES, INC. 2 3 0 2 0 7
FORSCHUNGSZENTRUM KARLSRUHE GMBH 1 3 0 2 1 7
FUJI PHOTO FILM CO., LTD 0 4 2 0 1 7
GEOMAT INSIGHTS, LLC 0 1 1 3 2 7
KABUSHIKI KAISHA YASKAWA DENKI 1 2 0 2 2 7
KOBE STEEL LTD. 2 0 2 1 2 7
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 1 5 1 7
LAM RESEARCH CORPORATION 2 2 0 2 1 7
MEDICAL SOLUTIONS, INC. 0 2 2 2 1 7
MINOLTA CAMERA CO., LTD. 3 3 1 0 0 7
NESTEC, S.A. 0 0 4 1 2 7
SALTON, INC. 1 1 2 0 3 7
SUMITOMO HEAVY INDUSTRIES, LTD. 2 0 1 2 2 7
TEXAS INSTRUMENTS, INCORPORATED 4 1 0 1 1 7
THERMOSOFT INTERNATIONAL CORP 1 1 3 1 1 7
TOYOTA JIDOSHA K.K. 2 2 1 2 0 7
U.S. PHILIPS CORPORATION 5 2 0 0 0 7
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 2 1 2 0 7
3M INNOVATIVE PROPERTIES COMPANY 0 4 0 0 2 6
AGILENT TECHNOLOGIES, INC. 0 0 3 1 2 6
AKTIEBOLAGET ELECTROLUX 3 2 1 0 0 6
BERKENHOFF GMBH 0 0 2 1 3 6
BORE REPAIR SYSTEMS, INC. 1 1 2 1 1 6
BSH HOME APPLIANCES CORPORATION 0 3 2 1 0 6
CONTOUR HARDENING, INC. 5 0 1 0 0 6
FRONIUS SCHWEISSMASCHINEN PRODUKTION GMBH & CO. KG 0 1 3 2 0 6
GENERAL SCANNING INC. 0 1 4 1 0 6
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 3 3 6
HOMEDICS, INC. 0 2 2 1 1 6
HONEYWELL INTERNATIONAL INC. 0 1 0 1 4 6
INOCON TECHNOLOGIE GESELLSCHAFT M.B.H. 1 2 2 1 0 6
INTEL CORPORATION 0 0 0 3 3 6
MURATA MANUFACTURING CO., LTD. 1 2 1 1 1 6
NEWCOR, INC. 2 2 0 1 1 6
NEWFREY LLC 0 0 0 2 4 6
ROLLS-ROYCE PLC 0 1 1 0 4 6
SUNBEAM PRODUCTS, INC. 0 0 1 1 4 6
TRW INC. 5 0 1 0 0 6
UT-BATTELLE, LLC 0 2 1 0 3 6
W.E.T. AUTOMOTIVE SYSTEMS AKTIENGESELLSCHAFT 2 0 0 0 4 6
WATLOW POLYMER TECHNOLOGIES 0 2 3 1 0 6
AMANA COMPANY L.P. 5 0 0 0 0 5
BALL CORPORATION 1 0 3 0 1 5
CENTRAL MOTOR WHEEL COMPANY LIMITED 1 0 1 2 1 5
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 0 1 3 0 5
DAIDO TOKUSHUKO, K.K. 0 2 2 1 0 5
DAIMLERCHRYSLER CORPORATION 1 2 1 0 1 5
DATA STORAGE INSTITUTE 0 0 0 1 4 5
DIEHL AKO STIFTUNG & CO., KG 2 2 0 1 0 5
EDISON WELDING INSTITUTE, INC. 0 1 0 3 1 5
EMHART INC. 1 2 2 0 0 5
ESAB AB 1 2 2 0 0 5
FRONIUS INTERNATIONAL GMBH 0 0 0 0 5 5
FURUKAWA ELECTRIC CO., LTD. 0 0 2 2 1 5
GSI LUMONICS CORPORATION 0 0 0 1 4 5
HATCO CORPORATION 2 1 1 1 0 5
INFINEON TECHNOLOGIES AG 1 1 1 1 1 5
INNERLOGIC, INC. 2 1 1 0 1 5
INTEGRATED MATERIALS, INC. 0 2 1 2 0 5
KAWASAKI STEEL CORPORATION 0 4 1 0 0 5
LEXMARK INTERNATIONAL, INC. 3 1 0 1 0 5
LG. PHILIPS LCD CO., LTD. 0 1 2 1 1 5
LOCKHEED MARTIN CORPORATION 0 3 0 0 2 5
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 3 2 0 5
MOULINEX, SOCIETE ANONYME 3 1 1 0 0 5
NKK CORPORATION 3 2 0 0 0 5
PRIMA INDUSTRIE S.P.A. 1 1 0 2 1 5
QUADLUX, INC. 3 1 1 0 0 5
ROHM COMPANY LIMITED 3 0 1 0 1 5
SAINT-GOBAIN INDUSTRIAL CERAMICS, INC. 2 2 0 0 1 5
SCI-MED LIFE SYSTEMS, INC. 0 0 1 1 3 5
SENCO PRODUCTS, INC. 1 1 1 2 0 5
SHELL OIL COMPANY 1 2 0 1 1 5
STRIX LIMITED 3 1 1 0 0 5
TSANN KUEN U.S.A., INC. 0 1 4 0 0 5
TURBOCHEF TECHNOLOGIES, INC. 2 1 2 0 0 5
UNITED MICROELECTRONICS CORPORATION 0 1 0 3 1 5
YAMAZAKI MAZAK KABUSHIKI KAISHA 1 0 1 1 2 5


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