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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 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 97 82 91 96 118 484
MICRON TECHNOLOGY, INC. 15 19 35 55 83 207
SIEMENS AKTIENGESELLSCHAFT 31 24 40 49 55 199
INTERNATIONAL BUSINESS MACHINES CORPORATION 26 35 32 47 47 187
GENERAL ELECTRIC COMPANY 13 20 43 55 42 173
MITSUBISHI DENKI KABUSHIKI KAISHA 20 19 29 26 32 126
ADVANTEST CORP. 17 15 14 35 36 117
NEC CORPORATION 12 9 22 25 25 93
ADVANCED MICRO DEVICES, INC. 6 7 7 17 44 81
TOSHIBA CORPORATION 12 15 13 15 13 68
AGILENT TECHNOLOGIES, INC. 0 0 7 25 35 67
SCHLUMBERGER TECHNOLOGY CORPORATION 6 9 14 14 21 64
HEWLETT-PACKARD COMPANY 13 26 14 3 4 60
SAMSUNG ELECTRONICS CO., LTD. 4 5 16 14 18 57
U.S. PHILIPS CORPORATION 5 13 13 22 4 57
ROBERT BOSCH GMBH 7 5 12 9 22 55
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 5 9 8 13 14 49
PICKER INTERNATIONAL, INC. 7 6 15 19 2 49
INTEL CORPORATION 5 9 13 7 14 48
TOKYO ELECTRON LIMITED 9 6 12 8 9 44
ANDO ELECTRIC CO., LTD. 0 6 9 11 17 43
MOTOROLA, INC. 12 11 6 1 9 39
GE MEDICAL SYSTEMS GLOBAL TECHNOLOGY COMPANY, LLC 0 0 0 8 30 38
LUCENT TECHNOLOGIES INC. 8 5 12 10 3 38
TEXAS INSTRUMENTS, INCORPORATED 12 6 7 7 6 38
DELPHI TECHNOLOGIES, INC. 0 0 0 10 27 37
UNITED STATES OF AMERICA, NAVY 4 8 3 6 16 37
FUJITSU LIMITED 5 3 7 9 12 36
CREDENCE SYSTEMS CORPORATION 0 5 13 10 6 34
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 34 34
YAZAKI CORP. 11 3 8 1 10 33
BAKER HUGHES INCORPORATED 2 2 4 6 18 32
TEKTRONIX INC. 3 4 8 7 10 32
FONAR CORPORATION, INC. 2 1 8 5 14 30
VARIAN, INC. 0 4 5 8 12 29
WESTERN ATLAS INTERNATIONAL, INC. 9 3 14 2 0 28
SONY CORPORATION 8 5 6 6 2 27
CASCADE MICROTECH, INC. 1 5 2 7 11 26
DENSO CORPORATION 0 1 5 7 13 26
HONEYWELL INC. 6 5 5 6 4 26
DELAWARE CAPITAL FORMATION, INC. 4 3 4 9 5 25
LSI LOGIC CORPORATION 4 3 7 4 7 25
GE YOKOGAWA MEDICAL SYSTEMS, LIMITED 3 0 7 6 8 24
HITACHI, LTD 3 2 3 4 12 24
MITUTOYO CORPORATION 2 7 4 6 5 24
TERADYNE, INC. 2 2 5 10 5 24
CTS CORPORATION 3 3 4 8 2 20
DIGITAL CONTROL INCORPORATED 2 7 4 3 4 20
FORD GLOBAL TECHNOLOGIES, INC. 4 4 3 3 6 20
HITACHI MEDICAL CORPORATION 4 1 4 6 5 20
MIDTRONICS, INC. 3 2 3 7 5 20
EATON CORPORATION 4 2 1 6 6 19
ABB POWER T&D COMPANY INC. 7 4 3 3 1 18
MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH 2 5 1 5 5 18
MURATA MANUFACTURING CO., LTD. 0 3 2 5 8 18
TDK CORPORATION 2 1 1 8 6 18
XILINX, INC. 3 6 3 5 1 18
HONEYWELL INTERNATIONAL INC. 0 0 2 7 7 16
JOHN FLUKE MFG. CO., INC. 4 4 2 2 4 16
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 5 5 2 2 16
SEIKO INSTRUMENTS INC. 4 2 4 2 4 16
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 1 2 3 5 5 16
STMICROELECTRONICS, INC. 1 3 4 2 6 16
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 4 3 4 2 16
CANON KABUSHIKI KAISHA 2 2 2 5 4 15
SEAGATE TECHNOLOGY, LLC 0 0 2 6 7 15
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 4 1 4 2 4 15
ALPS ELECTRIC CO., LTD. 0 2 0 6 6 14
HALLIBURTON ENERGY SEVICES, INC. 1 1 2 6 4 14
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 6 1 3 1 3 14
ANALOG DEVICES, INC. 4 1 2 3 3 13
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 1 3 6 3 13
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 4 2 0 5 2 13
NUMAR CORPORATION 0 2 4 5 2 13
SUMITOMO WIRING SYSTEMS, LTD., CO. 1 3 3 2 4 13
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 2 3 2 3 3 13
UNITED STATES OF AMERICA, ARMY 2 0 2 5 4 13
XEROX CORPORATION 0 2 2 5 4 13
BRUKER ANALYTIK GMBH 2 3 0 4 3 12
BTG INTERNATIONAL LIMITED 0 0 8 4 0 12
INFINEON TECHNOLOGIES AG 0 0 1 3 8 12
MANNESMANN VDO AG 0 0 4 3 5 12
SEAGATE TECHNOLOGY, INCORPORATED 4 4 3 1 0 12
SOUTHWEST RESEARCH INSTITUTE 1 0 1 4 6 12
UNITED MICROELECTRONICS CORPORATION 2 0 1 7 2 12
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 2 4 2 11
ITT MANUFACTURING ENTERPRISES, INC. 0 3 2 2 4 11
NATIONAL SEMICONDUCTOR CORPORATION 1 2 2 2 4 11
NSK LIMITED 5 1 2 2 1 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 2 0 1 5 11
STMICROELECTRONICS S.A. 0 0 1 5 5 11
TOYOTA JIDOSHA K.K. 3 1 4 2 1 11
ABB RESEARCH LTD. 1 2 2 2 3 10
ALLEGRO MICROSYSTEMS, INC. 1 2 2 5 0 10
ANRITSU COMPANY 0 1 3 5 1 10
BOEING COMPANY 1 3 0 5 1 10
ESAOTE, S.P.A 0 0 1 7 2 10
JENTEK SENSORS, INC. 1 1 1 2 5 10
NIDEC-READ CORPORATION 0 1 2 1 6 10
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 1 3 3 0 3 10
FORM FACTOR, INC. 0 1 1 1 6 9
HITACHI ELECTRONICS ENGINEERING CO., LTD. 0 3 0 2 4 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 1 3 1 1 9
JOHNS HOPKINS UNIVERSITY 0 2 3 2 2 9
OKI ELECTRIC INDUSTRY CO., LTD. 1 0 0 4 4 9
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 0 0 0 9 9
SCHLUMBERGER TECHNOLOGIES, INC. 0 1 1 3 4 9
SQUARE D COMPANY 2 0 1 5 1 9
TORRINGTON COMPANY 0 2 1 4 2 9
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 0 8 8
ASEA BROWN BOVERI AB 1 2 0 2 3 8
AT&T CORP. 2 1 1 1 3 8
BIOSENSE, INC. 1 0 1 3 3 8
DOTY SCIENTIFIC, INC. 0 2 4 2 0 8
GENERAL MOTORS CORPORATION 3 1 1 2 1 8
SANDIA CORPORATION 3 0 2 1 2 8
STMICROELECTRONICS S.R.L. 0 0 0 4 4 8
SUMITOMO METAL INDUSTRIES CO., LTD. 2 0 0 2 4 8
SUN MICROSYSTEMS, INC. 2 0 1 3 2 8
TOKYO GAS COMPANY LIMITED 1 6 1 0 0 8
UNITED STATES OF AMERICA, AIR FORCE 0 1 1 4 2 8
AB ELEKTRONIK GMBH 2 0 0 2 3 7
APPLIED MATERIALS, INC. 0 2 2 0 3 7
ATG TEST SYSTEMS GMBH & CO. KG 0 2 1 0 4 7
BECHTEL BWXT IDAHO, LLC 0 0 3 0 4 7
CHRYSLER MOTORS CORPORATION 3 2 1 1 0 7
DELCO ELECTRONICS CORPORATION 2 3 2 0 0 7
GUZIK TECHNICAL ENTERPRISES 1 1 1 4 0 7
HELLA KG HUECK & CO. 0 0 1 2 4 7
LOCKHEED MARTIN CORPORATION 0 2 1 2 2 7
NATIONAL RESEARCH COUNCIL OF CANADA 0 2 2 0 3 7
NIPPONDENSO CO., LTD. 4 2 1 0 0 7
PATRIOT SENSORS AND CONTROLS CORPORATION 4 2 0 1 0 7
PHILIPS ELECTRONICS NORTH AMERICA CORP. 4 0 1 2 0 7
SCHNEIDER ELECTRIC SA 3 1 1 1 1 7
SHIMADZU CORPORATION 1 1 1 0 4 7
TELEFONAKTIEBOLAGET LM ERICSSON 0 2 1 0 4 7
TOSHIBA AMERICA MRI, INC. 0 2 4 0 1 7
UNISIA JECS CORPORATION 1 1 1 2 2 7
VARIAN ASSOCIATES, INC. 5 1 1 0 0 7
ZIRCON CORPORATION 2 1 1 3 0 7
ADE CORPORATION 2 0 0 1 3 6
BENTLY NEVADA CORPORATION 3 0 1 1 1 6
CANON DENSHI KABUSHIKI KAISHA 1 1 1 1 2 6
CATERPILLAR INC. 1 2 0 3 0 6
CERPROBE CORPORATION 1 1 1 2 1 6
COULTER INTERNATIONAL CORP. 0 0 1 4 1 6
DEERE + COMPANY 0 0 0 4 2 6
DELL PRODUCTS, L.P. 0 0 1 2 3 6
EASTMAN KODAK COMPANY 3 1 0 1 1 6
FORSCHUNGSZENTRUM JULICH GMBH 0 1 0 3 2 6
FORSCHUNGSZENTRUM KARLSRUHE GMBH 0 2 1 1 2 6
GENRAD INC. 3 1 1 1 0 6
JEOL LTD. 1 1 1 1 2 6
JOHANNES HEIDENHAIN GMBH 3 0 1 1 1 6
MCDONNELL DOUGLAS CORP. 3 2 0 1 0 6
MICRO-EPSILON MESSTECHNIK GMBH & CO. KG 0 1 0 3 2 6
MICRONAS GMBH 0 0 0 2 4 6
MTS SYSTEMS CORPORATION 0 1 0 2 3 6
NIPPON SIGNAL CO., LTD. 4 2 0 0 0 6
NIPPON TELEGRAPH & TELEPHONE CORP. 4 1 0 1 0 6
NISSAN MOTOR COMPANY, LIMITED 1 2 0 2 1 6
NORTEL NETWORKS CORPORATION 0 0 0 3 3 6
NORTHROP GRUMMAN CORPORATION 2 2 0 1 1 6
PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC. 0 0 0 0 6 6
QUANTUM MAGNETICS, INC. 0 1 0 3 2 6
RADIODETECTION LIMITED 1 2 2 0 1 6
RAYTHEON COMPANY 0 2 3 1 0 6
READ-RITE CORPORATION 4 0 0 0 2 6
ROHDE & SCHWARZ GMBH & CO. 1 1 1 2 1 6
SHELL OIL COMPANY 1 1 2 2 0 6
SUMITOMO SPECIAL METAL COMPANY LIMITED 0 1 0 2 3 6
TOKIN CORPORATION 2 0 1 2 1 6
WENTWORTH LABORATORIES, INC. 0 1 4 1 0 6
WINBOND ELECTRONICS CORP. 0 0 2 1 3 6
AISIN SEIKI KABUSHIKI KAISHA 0 1 1 3 0 5
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 2 2 1 0 0 5
ATLANTIC RICHFIELD COMPANY 1 2 2 0 0 5
AVAYA TECHNOLOGY CORP. 0 0 0 2 3 5
BALLUFF, INC. 0 1 0 2 2 5
BCF DESIGNS LIMITED 0 0 1 3 1 5
BOXER CROSS, INC. 0 2 2 0 1 5
BRIGHAM AND WOMEN'S HOSPITAL 2 2 0 1 0 5
BRUKER AG 0 0 2 2 1 5
CASE CORPORATION 0 2 1 1 1 5
CASE WESTERN RESERVE UNIVERSITY 1 0 1 0 3 5
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 2 1 1 1 0 5
HAUNI MASCHINENBAU AG 1 0 1 0 3 5
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 1 0 1 1 2 5
KEITHLEY INSTRUMENTS, INC. 2 2 1 0 0 5
MARCONI MEDICAL SYSTEMS, INC. 0 0 0 2 3 5
MEDRAD, INC. 0 0 1 1 3 5
METHODE ELECTRONICS, INC. 0 2 2 1 0 5
NGK SPARK PLUG CO., LTD. 3 0 0 2 0 5
NHK SPRING CO., LTD. 1 1 1 1 1 5
NOKIA MOBILE PHONES LTD. 0 0 0 1 4 5
NTN CORPORATION 3 1 1 0 0 5
OXFORD INSTRUMENTS (UK) LIMITED 1 2 1 1 0 5
QUANTUM DESIGN, INC. 1 0 1 1 2 5
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 2 1 0 1 1 5
RPI, INC. 1 2 0 1 1 5
SEIKO EPSON CORPORATION 1 1 1 1 1 5
SNAP-ON TECHNOLOGIES, INC. 2 1 1 0 1 5
SSI TECHNOLOGIES, INC. 4 0 0 1 0 5
ST ASSEMBLY TEST SERVICES, PTE LTD. 0 0 0 3 2 5
TEMIC TELEFUNKEN MICROELECTRONIC GMBH 2 1 1 1 0 5
TRW INC. 2 0 0 1 2 5
UNISYS CORPORATION 2 0 0 2 1 5
UNIVERSITY OF ILLINOIS 1 0 1 2 1 5
UNIVERSITY OF PENNSYLVANIA 0 1 0 2 2 5
VLSI TECHNOLOGY, INC. 2 2 0 1 0 5
WILTRON COMPANY 3 0 2 0 0 5


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Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports