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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 324, Electricity: 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 91 96 118 98 95 498
SIEMENS AKTIENGESELLSCHAFT 40 49 55 55 59 258
MICRON TECHNOLOGY, INC. 35 55 83 41 43 257
GENERAL ELECTRIC COMPANY 43 55 42 28 36 204
INTERNATIONAL BUSINESS MACHINES CORPORATION 32 47 47 44 34 204
MITSUBISHI DENKI KABUSHIKI KAISHA 29 26 32 28 15 130
AGILENT TECHNOLOGIES, INC. 7 25 35 25 35 127
ADVANCED MICRO DEVICES, INC. 7 17 44 26 30 124
ADVANTEST CORP. 14 35 36 16 18 119
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 34 47 37 118
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC 0 8 30 29 42 109
SCHLUMBERGER TECHNOLOGY CORPORATION 14 14 21 34 21 104
NEC CORPORATION 22 25 25 16 3 91
DELPHI TECHNOLOGIES, INC. 0 10 27 19 26 82
SAMSUNG ELECTRONICS CO., LTD. 16 14 18 14 14 76
INTEL CORPORATION 13 7 14 20 21 75
ROBERT BOSCH GMBH 12 9 22 18 13 74
TEXAS INSTRUMENTS, INCORPORATED 7 7 6 26 24 70
INFINEON TECHNOLOGIES AG 1 3 8 20 35 67
TOSHIBA CORPORATION 13 15 13 14 11 66
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 8 13 14 17 12 64
FUJITSU LIMITED 7 9 12 23 11 62
BAKER HUGHES INCORPORATED 4 6 18 16 15 59
HITACHI, LTD 3 4 12 15 20 54
ANDO ELECTRIC CO., LTD. 9 11 17 10 4 51
DENSO CORPORATION 5 7 13 8 17 50
TOKYO ELECTRON LIMITED 12 8 9 6 12 47
TEKTRONIX INC. 8 7 10 11 9 45
FONAR CORPORATION, INC. 8 5 14 9 6 42
HONEYWELL INTERNATIONAL INC. 2 7 7 6 20 42
TERADYNE, INC. 5 10 5 7 14 41
UNITED STATES OF AMERICA, NAVY 3 6 16 8 8 41
CASCADE MICROTECH, INC. 2 7 11 7 12 39
LSI LOGIC CORPORATION 7 4 7 9 12 39
U.S. PHILIPS CORPORATION 13 22 4 0 0 39
VARIAN, INC. 5 8 12 4 9 38
PICKER INTERNATIONAL, INC. 15 19 2 0 0 36
CREDENCE SYSTEMS CORPORATION 13 10 6 0 5 34
HALLIBURTON ENERGY SERVICES, INC. 2 6 4 12 10 34
YAZAKI CORP. 8 1 10 10 3 32
SEAGATE TECHNOLOGY, LLC 2 6 7 14 2 31
LUCENT TECHNOLOGIES INC. 12 10 3 4 1 30
MITUTOYO CORPORATION 4 6 5 13 2 30
XILINX, INC. 3 5 1 12 9 30
EATON CORPORATION 1 6 6 7 8 28
FORM FACTOR, INC. 1 1 6 9 10 27
GE YOKOGAWA MEDICAL SYSTEMS, LIMITED 7 6 8 5 1 27
HITACHI MEDICAL CORPORATION 4 6 5 7 3 25
MURATA MANUFACTURING CO., LTD. 2 5 8 7 3 25
MOTOROLA, INC. 6 1 9 4 4 24
RENESAS TECHNOLOGY CORPORATION 0 0 0 0 24 24
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 3 5 5 5 6 24
HEWLETT-PACKARD COMPANY 14 3 4 1 0 22
MIDTRONICS, INC. 3 7 5 5 2 22
SONY CORPORATION 6 6 2 6 2 22
SUN MICROSYSTEMS, INC. 1 3 2 8 8 22
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 0 9 6 6 21
DELAWARE CAPITAL FORMATION, INC. 4 9 5 1 1 20
ALPS ELECTRIC CO., LTD. 0 6 6 3 4 19
STMICROELECTRONICS, INC. 4 2 6 6 1 19
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 2 3 3 6 5 19
SEIKO INSTRUMENTS INC. 4 2 4 6 2 18
TDK CORPORATION 1 8 6 1 2 18
ANALOG DEVICES, INC. 2 3 3 4 5 17
CANON KABUSHIKI KAISHA 2 5 4 3 3 17
CTS CORPORATION 4 8 2 2 1 17
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 1 3 7 3 17
UNITED MICROELECTRONICS CORPORATION 1 7 2 5 2 17
UNITED STATES OF AMERICA, ARMY 2 5 4 6 0 17
WESTERN ATLAS INTERNATIONAL, INC. 14 2 0 1 0 17
STMICROELECTRONICS S.A. 1 5 5 2 3 16
STMICROELECTRONICS S.R.L. 0 4 4 2 6 16
XEROX CORPORATION 2 5 4 2 3 16
BRUKER BIOSPIN AG 0 0 4 4 7 15
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 4 2 4 3 15
ESAOTE, S.P.A 1 7 2 2 3 15
FORD GLOBAL TECHNOLOGIES, INC. 3 3 6 3 0 15
HONEYWELL INC. 5 6 4 0 0 15
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH 1 5 5 3 1 15
OKI ELECTRIC INDUSTRY CO., LTD. 0 4 4 2 5 15
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 1 5 2 7 15
SOUTHWEST RESEARCH INSTITUTE 1 4 6 2 2 15
BTG INTERNATIONAL LIMITED 8 4 0 2 0 14
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 3 6 3 2 0 14
DIGITAL CONTROL INCORPORATED 4 3 4 3 0 14
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 3 11 14
JOHNS HOPKINS UNIVERSITY 3 2 2 1 6 14
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 4 2 4 1 14
ABB RESEARCH LTD. 2 2 3 2 4 13
ANRITSU COMPANY 3 5 1 3 1 13
BENTLY NEVADA CORPORATION 1 1 1 1 9 13
JENTEK SENSORS, INC. 1 2 5 1 4 13
MEDRAD, INC. 1 1 3 1 7 13
NUMAR CORPORATION 4 5 2 1 1 13
SHELL OIL COMPANY 2 2 0 5 4 13
SUMITOMO WIRING SYSTEMS, LTD., CO. 3 2 4 1 3 13
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 4 2 4 1 2 13
ALLEGRO MICROSYSTEMS, INC. 2 5 0 1 4 12
APPLIED MATERIALS, INC. 2 0 3 5 2 12
JOHN FLUKE MFG. CO., INC. 2 2 4 3 1 12
MANNESMANN VDO AG 4 3 5 0 0 12
NATIONAL SEMICONDUCTOR CORPORATION 2 2 4 1 3 12
SEIKO EPSON CORPORATION 1 1 1 2 7 12
SQUARE D COMPANY 1 5 1 3 2 12
TORRINGTON COMPANY 1 4 2 4 1 12
ITT MANUFACTURING ENTERPRISES, INC. 2 2 4 1 2 11
JEOL LTD. 1 1 2 3 4 11
ST ASSEMBLY TEST SERVICES, PTE LTD. 0 3 2 4 2 11
TELEFONAKTIEBOLAGET LM ERICSSON 1 0 4 4 2 11
TOYOTA JIDOSHA K.K. 4 2 1 3 1 11
WABASH TECHNOLOGIES, INC. 0 0 4 4 3 11
BRUKER ANALYTIK GMBH 0 4 3 3 0 10
FORSCHUNGSZENTRUM JULICH GMBH 0 3 2 2 3 10
LECROY CORPORATION 0 1 2 4 3 10
MERLIN TECHNOLOGY, INC. 0 0 0 2 8 10
NIDEC-READ CORPORATION 2 1 6 0 1 10
NORTEL NETWORKS LIMITED 0 3 3 1 3 10
RADIODETECTION LIMITED 2 0 1 5 2 10
AGERE SYSTEMS GUARDIAN CORP. 0 0 8 0 1 9
AGERE SYSTEMS INC. 0 0 0 4 5 9
AISIN SEIKI KABUSHIKI KAISHA 1 3 0 2 3 9
ASEA BROWN BOVERI AB 0 2 3 4 0 9
AT&T CORP. 1 1 3 2 2 9
BECHTEL BWXT IDAHO, LLC 3 0 4 2 0 9
BOEING COMPANY 0 5 1 2 1 9
BROADCOM CORPORATION 0 1 1 2 5 9
DELL PRODUCTS, L.P. 1 2 3 1 2 9
HITACHI ELECTRONICS ENGINEERING CO., LTD. 0 2 4 3 0 9
JOHANNES HEIDENHAIN GMBH 1 1 1 2 4 9
LOCKHEED MARTIN CORPORATION 1 2 2 0 4 9
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 5 2 2 0 0 9
MICRONAS GMBH 0 2 4 2 1 9
MTS SYSTEMS CORPORATION 0 2 3 3 1 9
WENTWORTH LABORATORIES, INC. 4 1 0 3 1 9
WINBOND ELECTRONICS CORP. 2 1 3 0 3 9
ANRITSU CORPORATION 0 0 2 4 2 8
ATG TEST SYSTEMS GMBH & CO. KG 1 0 4 1 2 8
BRUKER BIOSPIN GMBH 0 0 2 2 4 8
CYPRESS SEMICONDUCTOR CORP. 2 0 0 1 5 8
DEERE + COMPANY 0 4 2 0 2 8
DELTA DESIGN INC. 0 0 2 4 2 8
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 0 5 2 1 0 8
LG. PHILIPS LCD CO., LTD. 0 0 1 2 5 8
NISSAN MOTOR COMPANY, LIMITED 0 2 1 1 4 8
OHIO STATE UNIVERSITY 0 2 2 1 3 8
OHT INC. 1 1 0 2 4 8
ROHDE & SCHWARZ GMBH & CO. 1 2 1 1 3 8
SANKEN ELECTRIC COMPANY LIMITED 0 0 1 1 6 8
SANYO ELECTRIC CO., LTD. 0 0 1 3 4 8
SCHLUMBERGER TECHNOLOGIES, INC. 1 3 4 0 0 8
SEMICONDUCTOR DIAGNOSTICS, INC. 2 0 0 3 3 8
SIEMENS VDO AUTOMOTIVE CORPORATION 0 0 3 5 0 8
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 0 3 1 1 8
SUMITOMO METAL INDUSTRIES CO., LTD. 0 2 4 1 1 8
UNIVERSITY OF CHICAGO 0 1 1 2 4 8
VISTEON GLOBAL TECHNOLOGIES, INC. 0 3 1 2 2 8
AB ELEKTRONIK GMBH 0 2 3 1 1 7
ABB POWER T&D COMPANY INC. 3 3 1 0 0 7
BIOSENSE, INC. 1 3 3 0 0 7
COULTER INTERNATIONAL CORP. 1 4 1 0 1 7
DAIMLERCHRYSLER CORPORATION 1 1 1 4 0 7
EMC CORPORATION 1 0 3 2 1 7
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 0 0 2 2 3 7
GENERAL MOTORS CORPORATION 1 2 1 3 0 7
HELLA KG HUECK & CO. 1 2 4 0 0 7
HIROSE ELECTRIC CO., LTD. 0 1 1 4 1 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 1 1 0 2 7
MICROMANIPULATOR CO., INC. 0 2 1 1 3 7
NHK SPRING CO., LTD. 1 1 1 2 2 7
NORTHROP GRUMMAN CORPORATION 0 1 1 3 2 7
ROSEMOUNT INC. 0 0 2 2 3 7
SANDIA CORPORATION 2 1 2 1 1 7
SCHWEITZER ENGINEERING LABORATORIES, INC. 0 0 0 6 1 7
SOLID STATE MEASUREMENTS, INC. 1 0 1 1 4 7
SONY PRECISION TECHNOLOGY INC. 0 2 1 3 1 7
UNISYS CORPORATION 0 2 1 1 3 7
UNITED STATES OF AMERICA, AIR FORCE 1 4 2 0 0 7
3COM CORPORATION 0 0 1 3 2 6
ABB, INC. 0 0 3 1 2 6
AMERICAN ELECTRONIC COMPONENTS, INC. 0 1 1 0 4 6
AVAYA TECHNOLOGY CORP. 0 2 3 1 0 6
BCF DESIGNS LIMITED 1 3 1 1 0 6
CALIFORNIA INSTITUTE OF TECHNOLOGY 2 0 0 2 2 6
CISCO TECHNOLOGY, INC. 0 0 0 4 2 6
DOTY SCIENTIFIC, INC. 4 2 0 0 0 6
EM-TECH SENSORS LLC 0 0 0 5 1 6
FORSCHUNGSZENTRUM KARLSRUHE GMBH 1 1 2 2 0 6
GEORGIA TECH RESEARCH CORP. 1 1 2 1 1 6
HAUNI MASCHINENBAU AG 1 0 3 0 2 6
IGC-MEDICAL ADVANCES, INC. 0 0 0 0 6 6
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 1 1 2 1 1 6
KLA-TENCOR CORPORATION 0 0 3 2 1 6
MICRO-EPSILON MESSTECHNIK GMBH & CO. KG 0 3 2 0 1 6
MIRAE CORPORATION 0 0 2 3 1 6
NATIONAL RESEARCH COUNCIL OF CANADA 2 0 3 0 1 6
NEC ELECTRONICS CORPORATION 0 0 0 3 3 6
NOKIA MOBILE PHONES LTD. 0 1 4 1 0 6
NSK LIMITED 2 2 1 1 0 6
PASS + SEYMOUR, INC. 0 0 4 1 1 6
PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC. 0 0 6 0 0 6
QUANTUM DESIGN, INC. 1 1 2 2 0 6
QUANTUM MAGNETICS, INC. 0 3 2 1 0 6
SCHNEIDER ELECTRIC SA 1 1 1 3 0 6
SIEMENS WESTINGHOUSE POWER CORPORATION 0 1 0 4 1 6
SNAP-ON TECHNOLOGIES, INC. 1 0 1 3 1 6
SOSHOTECH CO., LTD. 1 2 0 3 0 6
SPX CORPORATION 0 0 0 4 2 6
TOSHIBA AMERICA MRI, INC. 4 0 1 0 1 6
UNISIA JECS CORPORATION 1 2 2 0 1 6
UNIVERSITY OF ILLINOIS 1 2 1 1 1 6
UNIVERSITY OF MINNESOTA, THE REGENTS OF 1 0 1 3 1 6
3M INNOVATIVE PROPERTIES COMPANY 1 0 2 1 1 5
ABB AUTOMATION, INC. 0 0 3 2 0 5
ACTRON MANUFACTURING CO. 0 0 3 1 1 5
AEHR TEST SYSTEMS, INC. 1 0 1 2 1 5
ASSOCIATED RESEARCH, INC. 2 0 0 2 1 5
BALLUFF, INC. 0 2 2 1 0 5
BRUKER AG 2 2 1 0 0 5
CANDESCENT TECHNOLOGIES CORPORATION 2 2 0 0 1 5
CANON DENSHI KABUSHIKI KAISHA 1 1 2 1 0 5
CERPROBE CORPORATION 1 2 1 1 0 5
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 1 0 1 1 2 5
CREDENCE TECHNOLOGIES, INC. 0 0 0 2 3 5
EAGLESTONE PARTNERS I, LLC 0 0 2 1 2 5
ELECTRO SCIENTIFIC INDUSTRIES, INC. 3 0 1 0 1 5
ELECTROGLAS, INC. 0 1 1 0 3 5
ENDRESS + HAUSER GMBH + CO. 2 1 0 2 0 5
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 0 3 2 5
GELCORE, LLC 0 0 0 5 0 5
GUZIK TECHNICAL ENTERPRISES 1 4 0 0 0 5
HILTI AKTIENGESELLSCHAFT 0 0 3 1 1 5
HORST SIEDLE GMBH & CO. KG. 2 1 0 1 1 5
HUBBELL INCORPORATED 0 2 0 2 1 5
INTERNATIONAL RECTIFIER CORPORATION 0 2 1 1 1 5
KLA-TENCOR TECHNOLOGIES CORP. 0 0 0 0 5 5
LOGICVISION, INC. 0 0 1 2 2 5
MARCONI MEDICAL SYSTEMS, INC. 0 2 3 0 0 5
MCGRAW-EDISON COMPANY 0 1 0 1 3 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 1 3 1 0 5
NPTEST LLC 0 0 0 1 4 5
POLHEMUS INCORPORATED 0 0 3 1 1 5
QUALITAU, INC. 2 1 1 0 1 5
RAYTHEON COMPANY 3 1 0 0 1 5
RICOH COMPANY, LTD. 2 0 1 1 1 5
SCHLUMBERGER RESOURCE MANAGEMENT SERVICES, INC. 0 0 1 4 0 5
SHIMADZU CORPORATION 1 0 4 0 0 5
SIEMENS POWER TRANSMISSION & DISTRIBUTION, INC. 3 0 1 1 0 5
SUMITOMO SPECIAL METAL COMPANY LIMITED 0 2 3 0 0 5
TOKAI RIKA DENKI SEISAKUSHO K.K. 0 1 1 2 1 5
UNIVERSITATSKLINIKUM FREIBURG 0 1 1 1 2 5
UNIVERSITY OF PENNSYLVANIA 0 2 2 0 1 5
UNIVERSITY OF ROCHESTER 0 1 1 2 1 5
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION 3 1 0 1 0 5
VEGA GRIESHABER GMBH & CO. KG 0 1 0 2 2 5
VIA TECHNOLOGIES, INC. 0 0 1 2 2 5


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