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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 96 118 98 95 76 483
SIEMENS AKTIENGESELLSCHAFT 49 55 55 59 48 266
MICRON TECHNOLOGY, INC. 55 83 41 43 42 264
GENERAL ELECTRIC COMPANY 55 42 28 36 46 207
INTERNATIONAL BUSINESS MACHINES CORPORATION 47 47 44 34 33 205
AGILENT TECHNOLOGIES, INC. 25 35 25 35 40 160
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC 8 30 29 42 29 138
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 34 47 37 17 135
ADVANCED MICRO DEVICES, INC. 17 44 26 30 15 132
SCHLUMBERGER TECHNOLOGY CORPORATION 14 21 34 21 27 117
ADVANTEST CORP. 35 36 16 18 11 116
MITSUBISHI DENKI KABUSHIKI KAISHA 26 32 28 15 14 115
DELPHI TECHNOLOGIES, INC. 10 27 19 26 17 99
TEXAS INSTRUMENTS, INCORPORATED 7 6 26 24 30 93
INFINEON TECHNOLOGIES AG 3 8 20 35 26 92
INTEL CORPORATION 7 14 20 21 20 82
SAMSUNG ELECTRONICS CO., LTD. 14 18 14 14 19 79
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 13 14 17 12 20 76
NEC CORPORATION 25 25 16 3 4 73
ROBERT BOSCH GMBH 9 22 18 13 11 73
HITACHI, LTD 4 12 15 20 19 70
FUJITSU LIMITED 9 12 23 11 14 69
BAKER HUGHES INCORPORATED 6 18 16 15 13 68
TOSHIBA CORPORATION 15 13 14 11 11 64
DENSO CORPORATION 7 13 8 17 9 54
HONEYWELL INTERNATIONAL INC. 7 7 6 20 12 52
CASCADE MICROTECH, INC. 7 11 7 12 12 49
TERADYNE, INC. 10 5 7 14 12 48
UNITED STATES OF AMERICA, NAVY 6 16 8 8 10 48
TOKYO ELECTRON LIMITED 8 9 6 12 12 47
LSI LOGIC CORPORATION 4 7 9 12 11 43
TEKTRONIX INC. 7 10 11 9 6 43
ANDO ELECTRIC CO., LTD. 11 17 10 4 0 42
FONAR CORPORATION, INC. 5 14 9 6 8 42
FORM FACTOR, INC. 1 6 9 10 15 41
HALLIBURTON ENERGY SERVICES, INC. 6 4 12 10 8 40
VARIAN, INC. 8 12 4 9 5 38
RENESAS TECHNOLOGY CORPORATION 0 0 0 24 13 37
XILINX, INC. 5 1 12 9 10 37
SEAGATE TECHNOLOGY, LLC 6 7 14 2 5 34
CREDENCE SYSTEMS CORPORATION 10 6 0 5 10 31
EATON CORPORATION 6 6 7 8 2 29
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 3 11 15 29
MURATA MANUFACTURING CO., LTD. 5 8 7 3 6 29
MIDTRONICS, INC. 7 5 5 2 9 28
STANFORD UNIVERSITY 5 5 5 6 6 27
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 3 3 6 5 10 27
MITUTOYO CORPORATION 6 5 13 2 0 26
U.S. PHILIPS CORPORATION 22 4 0 0 0 26
HITACHI MEDICAL CORPORATION 6 5 7 3 4 25
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 9 6 6 3 24
SUN MICROSYSTEMS, INC. 3 2 8 8 3 24
YAZAKI CORP. 1 10 10 3 0 24
MERLIN TECHNOLOGY, INC. 0 0 2 8 11 21
PICKER INTERNATIONAL, INC. 19 2 0 0 0 21
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 5 2 7 6 21
BENTLY NEVADA CORPORATION 1 1 1 9 8 20
CANON KABUSHIKI KAISHA 5 4 3 3 5 20
GE YOKOGAWA MEDICAL SYSTEMS, LIMITED 6 8 5 1 0 20
NATIONAL SEMICONDUCTOR CORPORATION 2 4 1 3 10 20
ALPS ELECTRIC CO., LTD. 6 6 3 4 0 19
MOTOROLA, INC. 1 9 4 4 1 19
OKI ELECTRIC INDUSTRY CO., LTD. 4 4 3 5 3 19
UNITED MICROELECTRONICS CORPORATION 7 2 5 2 3 19
ANALOG DEVICES, INC. 3 3 4 5 3 18
BOEING COMPANY 5 1 2 1 9 18
ESAOTE, S.P.A 7 2 2 3 4 18
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 3 7 3 4 18
LUCENT TECHNOLOGIES INC. 10 3 4 1 0 18
SONY CORPORATION 6 2 6 2 2 18
STMICROELECTRONICS S.A. 5 5 2 3 3 18
TDK CORPORATION 8 6 1 2 1 18
BRUKER BIOSPIN AG 0 4 4 7 2 17
OHT INC. 1 0 2 4 10 17
STMICROELECTRONICS S.R.L. 4 4 2 6 1 17
STMICROELECTRONICS, INC. 2 6 6 1 2 17
UNITED STATES OF AMERICA, ARMY 5 4 6 0 2 17
DELAWARE CAPITAL FORMATION, INC. 9 5 1 1 0 16
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH 5 5 3 1 2 16
SOUTHWEST RESEARCH INSTITUTE 4 6 2 2 2 16
APPLIED MATERIALS, INC. 0 3 5 2 5 15
SEIKO EPSON CORPORATION 1 1 2 7 4 15
SEIKO INSTRUMENTS INC. 2 4 6 2 1 15
ABB RESEARCH LTD. 2 3 2 4 3 14
BROADCOM CORPORATION 1 1 2 5 5 14
COMMISSARIAT A L'ENERGIE ATOMIQUE 4 2 4 3 1 14
JOHNS HOPKINS UNIVERSITY 2 2 1 6 3 14
MEDRAD, INC. 1 3 1 7 2 14
SHELL OIL COMPANY 2 0 5 4 3 14
UNISYS CORPORATION 2 1 1 3 7 14
XEROX CORPORATION 5 4 2 3 0 14
AGERE SYSTEMS INC. 0 0 4 5 4 13
ANRITSU COMPANY 5 1 3 1 3 13
CTS CORPORATION 8 2 2 1 0 13
JENTEK SENSORS, INC. 2 5 1 4 1 13
LECROY CORPORATION 1 2 4 3 3 13
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 4 2 4 1 2 13
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 4 1 2 4 13
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 6 3 2 0 1 12
FORD GLOBAL TECHNOLOGIES, INC. 3 6 3 0 0 12
FORSCHUNGSZENTRUM JULICH GMBH 3 2 2 3 2 12
WABASH TECHNOLOGIES, INC. 0 4 4 3 1 12
AISIN SEIKI KABUSHIKI KAISHA 3 0 2 3 3 11
ALLEGRO MICROSYSTEMS, INC. 5 0 1 4 1 11
CYPRESS SEMICONDUCTOR CORP. 0 0 1 5 5 11
DELL PRODUCTS, L.P. 2 3 1 2 3 11
JEOL LTD. 1 2 3 4 1 11
JOHN FLUKE MFG. CO., INC. 2 4 3 1 1 11
LOCKHEED MARTIN CORPORATION 2 2 0 4 3 11
MICRONAS GMBH 2 4 2 1 2 11
MIRAE CORPORATION 0 2 3 1 5 11
NORTEL NETWORKS LIMITED 3 3 1 3 1 11
SIEMENS VDO AUTOMOTIVE CORPORATION 0 3 5 0 3 11
SOLID STATE MEASUREMENTS, INC. 0 1 1 4 5 11
SQUARE D COMPANY 5 1 3 2 0 11
ST ASSEMBLY TEST SERVICES, PTE LTD. 3 2 4 2 0 11
SUMITOMO WIRING SYSTEMS, LTD., CO. 2 4 1 3 1 11
TELEFONAKTIEBOLAGET LM ERICSSON 0 4 4 2 1 11
TORRINGTON COMPANY 4 2 4 1 0 11
VISTEON GLOBAL TECHNOLOGIES, INC. 3 1 2 2 3 11
ASEA BROWN BOVERI AB 2 3 4 0 1 10
AT&T CORP. 1 3 2 2 2 10
BRUKER ANALYTIK GMBH 4 3 3 0 0 10
DIGITAL CONTROL INCORPORATED 3 4 3 0 0 10
FAB SOLUTIONS, INC. 0 0 2 2 6 10
HONEYWELL INC. 6 4 0 0 0 10
KLA-TENCOR CORPORATION 0 3 5 1 1 10
MTS SYSTEMS CORPORATION 2 3 3 1 1 10
NISSAN MOTOR COMPANY, LIMITED 2 1 1 4 2 10
RADIODETECTION LIMITED 0 1 5 2 2 10
SIEMENS WESTINGHOUSE POWER CORPORATION 1 0 4 1 4 10
AGERE SYSTEMS GUARDIAN CORP. 0 8 0 1 0 9
ANRITSU CORPORATION 0 2 4 2 1 9
BRUKER BIOSPIN GMBH 0 2 2 4 1 9
CISCO TECHNOLOGY, INC. 0 0 4 2 3 9
DEERE + COMPANY 4 2 0 2 1 9
DELTA DESIGN INC. 0 2 4 2 1 9
HITACHI ELECTRONICS ENGINEERING CO., LTD. 2 4 3 0 0 9
ITT MANUFACTURING ENTERPRISES, INC. 2 4 1 2 0 9
LG. PHILIPS LCD CO., LTD. 0 1 2 5 1 9
MICROMANIPULATOR CO., INC. 2 1 1 3 2 9
NORTHROP GRUMMAN CORPORATION 1 1 3 2 2 9
NUMAR CORPORATION 5 2 1 1 0 9
OHIO STATE UNIVERSITY 2 2 1 3 1 9
ROHDE & SCHWARZ GMBH & CO. 2 1 1 3 2 9
SANKEN ELECTRIC COMPANY LIMITED 0 1 1 6 1 9
SANYO ELECTRIC CO., LTD. 0 1 3 4 1 9
SPX CORPORATION 0 0 4 2 3 9
WINBOND ELECTRONICS CORP. 1 3 0 3 2 9
AB ELEKTRONIK GMBH 2 3 1 1 1 8
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 0 2 2 3 1 8
HEWLETT-PACKARD COMPANY 3 4 1 0 0 8
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 5 2 1 0 0 8
IGC-MEDICAL ADVANCES, INC. 0 0 0 6 2 8
JOHANNES HEIDENHAIN GMBH 1 1 2 4 0 8
MANNESMANN VDO AG 3 5 0 0 0 8
NHK SPRING CO., LTD. 1 1 2 2 2 8
NIDEC-READ CORPORATION 1 6 0 1 0 8
PASS + SEYMOUR, INC. 0 4 1 1 2 8
QUANTUM MAGNETICS, INC. 3 2 1 0 2 8
ROSEMOUNT INC. 0 2 2 3 1 8
SNAP-ON INCORPORATED 0 0 0 2 6 8
SUMITOMO METAL INDUSTRIES CO., LTD. 2 4 1 1 0 8
UNIVERSITY OF CHICAGO 1 1 2 4 0 8
VIA TECHNOLOGIES, INC. 0 1 2 2 3 8
WENTWORTH LABORATORIES, INC. 1 0 3 1 3 8
3COM CORPORATION 0 1 3 2 1 7
AEHR TEST SYSTEMS, INC. 0 1 2 1 3 7
AMERICAN ELECTRONIC COMPONENTS, INC. 1 1 0 4 1 7
ATG TEST SYSTEMS GMBH & CO. KG 0 4 1 2 0 7
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 0 2 2 3 7
DAIMLERCHRYSLER CORPORATION 1 1 4 0 1 7
EAGLESTONE PARTNERS I, LLC 0 2 1 2 2 7
ENDRESS + HAUSER GMBH + CO. 1 0 2 0 4 7
GENERAL MOTORS CORPORATION 2 1 3 0 1 7
HIROSE ELECTRIC CO., LTD. 1 1 4 1 0 7
INTERNATIONAL RECTIFIER CORPORATION 2 1 1 1 2 7
KLA-TENCOR TECHNOLOGIES CORP. 0 0 0 5 2 7
LAM RESEARCH CORPORATION 0 0 1 3 3 7
MICRO-EPSILON MESSTECHNIK GMBH & CO. KG 3 2 0 1 1 7
NEC ELECTRONICS CORPORATION 0 0 3 3 1 7
NTN CORPORATION 0 0 1 1 5 7
SCHLUMBERGER TECHNOLOGIES, INC. 3 4 0 0 0 7
SCHNEIDER ELECTRIC SA 1 1 3 0 2 7
SCHWEITZER ENGINEERING LABORATORIES, INC. 0 0 6 1 0 7
SONY PRECISION TECHNOLOGY INC. 2 1 3 1 0 7
STERIS INC. 0 0 0 0 7 7
TOYOTA JIDOSHA K.K. 2 1 3 1 0 7
UNIVERSITATSKLINIKUM FREIBURG 1 1 1 2 2 7
UNIVERSITY OF MINNESOTA, THE REGENTS OF 0 1 3 1 2 7
3M INNOVATIVE PROPERTIES COMPANY 0 2 1 1 2 6
ABB TECHNOLOGY AG 0 0 1 1 4 6
ABB, INC. 0 3 1 2 0 6
AVAYA TECHNOLOGY CORP. 2 3 1 0 0 6
BECHTEL BWXT IDAHO, LLC 0 4 2 0 0 6
BIOSENSE, INC. 3 3 0 0 0 6
BRIGHAM AND WOMEN'S HOSPITAL 1 0 0 2 3 6
BTG INTERNATIONAL LIMITED 4 0 2 0 0 6
CANON DENSHI KABUSHIKI KAISHA 1 2 1 0 2 6
CATERPILLAR INC. 3 0 1 0 2 6
COULTER INTERNATIONAL CORP. 4 1 0 1 0 6
DIALOG SEMICONDUCTOR GMBH 0 0 0 1 5 6
ELECTROGLAS, INC. 1 1 0 3 1 6
EM-TECH SENSORS LLC 0 0 5 1 0 6
EMC CORPORATION 0 3 2 1 0 6
HAUNI MASCHINENBAU AG 0 3 0 2 1 6
HELLA KG HUECK & CO. 2 4 0 0 0 6
HORST SIEDLE GMBH & CO. KG. 1 0 1 1 3 6
IDEAL INDUSTRIES, INC 0 1 1 1 3 6
INSTITUT FRANCAIS DU PETROLE 1 0 1 0 4 6
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 1 2 1 1 1 6
LANDIS & GYR, INC. 0 0 0 3 3 6
LEOPOLD KOSTAL GMBH & CO. KG 1 0 2 0 3 6
LOGICVISION, INC. 0 1 2 2 1 6
MARVELL INTERNATIONAL LTD. 0 0 1 2 3 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 2 0 0 2 6
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 1 3 2 6
NITTA CORPORATION 0 1 0 0 5 6
NOKIA CORPORATION 0 0 3 1 2 6
NOKIA MOBILE PHONES LTD. 1 4 1 0 0 6
NPTEST LLC 0 0 1 4 1 6
OMRON CORPORATION 0 0 0 4 2 6
PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC. 0 6 0 0 0 6
QUANTUM DESIGN, INC. 1 2 2 0 1 6
SANDIA CORPORATION 1 2 1 1 1 6
SEMICONDUCTOR DIAGNOSTICS, INC. 0 0 3 3 0 6
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 3 1 1 1 6
UNITED STATES OF AMERICA, AIR FORCE 4 2 0 0 0 6
UNIVERSITY OF PENNSYLVANIA 2 2 0 1 1 6
ABB AUTOMATION, INC. 0 3 2 0 0 5
ACTRON MANUFACTURING CO. 0 3 1 1 0 5
ACTUANT CORPORATION 0 1 1 2 1 5
BALLUFF GMBH 0 0 0 3 2 5
BALLUFF, INC. 2 2 1 0 0 5
BCF DESIGNS LIMITED 3 1 1 0 0 5
CELADON SYSTEMS, INC. 1 0 1 0 3 5
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 0 1 1 2 1 5
CREDENCE TECHNOLOGIES, INC. 0 0 2 3 0 5
ELSTER ELECTRICITY, LLC 0 0 0 2 3 5
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 0 3 2 0 5
FORSCHUNGSZENTRUM KARLSRUHE GMBH 1 2 2 0 0 5
FUJI PHOTO FILM CO., LTD 2 1 1 0 1 5
GELCORE, LLC 0 0 5 0 0 5
GENERAL HOSPITAL CORPORATION 0 0 2 1 2 5
GEORGIA TECH RESEARCH CORP. 1 2 1 1 0 5
HILTI AKTIENGESELLSCHAFT 0 3 1 1 0 5
HON HAI PRECISION IND. CO., LTD. 0 0 0 2 3 5
HUBBELL INCORPORATED 2 0 2 1 0 5
INTEST IP CORPORATION 1 1 0 0 3 5
JSR CORPORATION 2 0 0 1 2 5
KAVLICO CORPORATION 0 1 2 1 1 5
KJT ENTERPRISES, INC. 0 0 2 0 3 5
LTX CORPORATION 0 1 1 2 1 5
MARCONI MEDICAL SYSTEMS, INC. 2 3 0 0 0 5
MAXTOR CORPORATION 0 2 0 1 2 5
MCGRAW-EDISON COMPANY 1 0 1 3 0 5
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 1 1 1 1 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 1 3 1 0 0 5
NSK LIMITED 2 1 1 0 1 5
POLHEMUS INCORPORATED 0 3 1 1 0 5
QINETIQ LIMITED 0 0 1 3 1 5
RAE SYSTEMS, INC. 3 0 1 0 1 5
ROSEMOUNT ANALYTICAL INC. 0 4 0 0 1 5
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 0 0 3 1 5
SCHLUMBERGER RESOURCE MANAGEMENT SERVICES, INC. 0 1 4 0 0 5
SHIMADZU CORPORATION 0 4 0 0 1 5
SNAP-ON TECHNOLOGIES, INC. 0 1 3 1 0 5
SOSHOTECH CO., LTD. 2 0 3 0 0 5
STATOIL ASA 0 0 0 2 3 5
SUMITOMO SPECIAL METAL COMPANY LIMITED 2 3 0 0 0 5
TOKAI RIKA DENKI SEISAKUSHO K.K. 1 1 2 1 0 5
TRANSMETA CORPORATION 0 0 0 0 5 5
UNISIA JECS CORPORATION 2 2 0 1 0 5
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 1 0 0 2 2 5
UNITED STATES OF AMERICA, HEALTH & HUMAN SERVICES 0 1 2 1 1 5
UNIVERSITY OF ILLINOIS 2 1 1 1 0 5
UNIVERSITY OF ROCHESTER 1 1 2 1 0 5
VB AUTOBATTERIE GMBH 0 3 1 0 1 5
VEGA GRIESHABER KG 1 0 2 2 0 5
YAMATAKE CORPORATION 0 1 1 2 1 5
ZIRCON CORPORATION 3 0 0 0 2 5


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