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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 361, Electricity: Electrical Systems and Devices

( 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 97 115 119 109 115 555
INTERNATIONAL BUSINESS MACHINES CORPORATION 78 78 76 67 53 352
INTEL CORPORATION 40 39 73 87 53 292
HON HAI PRECISION IND. CO., LTD. 10 31 49 46 72 208
DELL PRODUCTS, L.P. 43 65 34 33 31 206
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 80 95 175
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 20 28 20 38 42 148
MURATA MANUFACTURING CO., LTD. 17 39 37 26 23 142
HEWLETT-PACKARD COMPANY 30 40 52 19 0 141
FUJITSU LIMITED 25 19 29 26 41 140
NEC CORPORATION 32 31 34 24 8 129
SUN MICROSYSTEMS, INC. 12 14 27 34 34 121
MICRON TECHNOLOGY, INC. 18 24 33 21 24 120
SIEMENS AKTIENGESELLSCHAFT 28 25 23 18 24 118
SAMSUNG ELECTRONICS CO., LTD. 27 40 16 16 18 117
GENERAL ELECTRIC COMPANY 20 24 30 11 19 104
TOSHIBA CORPORATION 22 19 22 17 24 104
HITACHI, LTD 14 14 23 30 16 97
LUCENT TECHNOLOGIES INC. 37 33 11 5 6 92
COMPAQ COMPUTER CORPORATION, INC. 33 25 22 1 0 81
EATON CORPORATION 19 10 21 15 13 78
MITSUBISHI DENKI KABUSHIKI KAISHA 10 19 22 14 11 76
MOTOROLA, INC. 25 12 17 13 5 72
ROBERT BOSCH GMBH 8 15 13 13 10 59
FOXCONN PRECISION COMPONENTS, CO., LTD. 7 17 30 3 0 57
TEXAS INSTRUMENTS, INCORPORATED 11 14 8 8 14 55
SONY CORPORATION 5 8 10 10 15 48
COMPAL ELECTRONICS, INC. 7 16 9 5 9 46
YAZAKI CORP. 5 8 15 12 6 46
APPLIED MATERIALS, INC. 14 12 8 9 1 44
TDK CORPORATION 4 7 12 6 12 41
3COM CORPORATION 8 17 7 6 2 40
DENSO CORPORATION 1 3 12 8 15 39
GATEWAY 2000, INC. 5 7 12 6 8 38
INFINEON TECHNOLOGIES AG 1 5 7 7 18 38
ALPS ELECTRIC CO., LTD. 7 8 5 6 10 36
TELEFONAKTIEBOLAGET LM ERICSSON 12 13 9 1 1 36
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 5 14 16 35
NATIONAL SEMICONDUCTOR CORPORATION 3 3 5 15 9 35
NORTEL NETWORKS LIMITED 9 4 10 8 4 35
SQUARE D COMPANY 3 6 12 11 3 35
LEVITON MANUFACTURING CO. INC. 9 5 7 7 3 31
CISCO TECHNOLOGY, INC. 4 4 9 7 6 30
DELPHI TECHNOLOGIES, INC. 1 5 8 9 7 30
ILLINOIS TOOL WORKS INC. 4 2 2 12 10 30
AGILENT TECHNOLOGIES, INC. 5 2 4 9 9 29
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 2 5 6 7 8 28
SHOWA DENKO KABUSHIKI KAISHA 1 2 11 10 4 28
EMC CORPORATION 6 5 5 6 4 26
ROHM COMPANY LIMITED 5 2 5 6 8 26
SANYO ELECTRIC CO., LTD. 2 5 10 5 4 26
DELTA ELECTRONICS INC. 1 0 7 4 13 25
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 2 6 8 2 6 24
U.S. PHILIPS CORPORATION 16 5 3 0 0 24
WISTRON CORPORATION 0 0 0 8 16 24
LSI LOGIC CORPORATION 4 1 4 5 9 23
PALM, INC. 1 3 9 9 1 23
QUANTA COMPUTER INC. 0 0 1 5 17 23
SEIKO EPSON CORPORATION 2 2 5 7 7 23
SIEMENS ENERGY & AUTOMATION, INC. 5 5 6 5 2 23
TAIYO YUDEN CO., LTD. 6 4 6 5 2 23
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 1 19 2 0 22
EPCOS AG 0 2 8 4 8 22
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 3 5 9 5 22
APPLE COMPUTER, INC. 2 3 5 8 3 21
CANON KABUSHIKI KAISHA 2 6 4 6 3 21
MEDTRONIC INC. 4 1 6 5 5 21
PASS + SEYMOUR, INC. 0 3 4 12 2 21
SCHNEIDER ELECTRIC SA 11 4 2 3 1 21
ADVANCED MICRO DEVICES, INC. 3 1 5 5 6 20
ASAHI GLASS COMPANY, LTD. 5 5 4 3 2 19
INVENTEC CORPORATION 0 2 7 3 7 19
SONY COMPUTER ENTERTAINMENT INC. 0 1 10 4 4 19
WINBOND ELECTRONICS CORP. 5 2 5 6 1 19
ADC TELECOMMUNICATIONS, INC. 1 1 3 11 2 18
ASEA BROWN BOVERI AB 2 6 4 2 4 18
NOKIA MOBILE PHONES LTD. 0 6 4 6 2 18
STMICROELECTRONICS S.R.L. 5 5 2 2 4 18
ALCATEL 3 4 4 2 4 17
UNITED MICROELECTRONICS CORPORATION 4 3 6 1 3 17
X2Y ATTENUATORS, L.L.C. 3 1 3 8 2 17
ERICSSON, INC. 7 4 2 3 0 16
LG ELECTRONICS INC. 1 4 2 1 8 16
MARCONI COMMUNICATIONS, INC. 1 5 7 3 0 16
NEC TOKIN CORPORATION 0 0 0 7 9 16
SILICON GRAPHICS, INC. 0 3 7 2 4 16
TYCO ELECTRONICS CORPORATION 0 1 9 3 3 16
ACER INCORPORATED 0 3 6 3 3 15
MICRON ELECTRONICS, INC. 6 9 0 0 0 15
NGK INSULATORS LTD. 1 2 4 6 2 15
AVX CORPORATION 1 4 3 3 3 14
OMRON CORPORATION 1 1 3 7 2 14
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 4 3 2 3 14
ABB RESEARCH LTD. 2 0 1 5 5 13
AVAYA TECHNOLOGY CORP. 0 7 2 2 2 13
HARRIS CORP. 1 1 7 2 2 13
HONEYWELL INTERNATIONAL INC. 2 3 1 2 5 13
ITT MANUFACTURING ENTERPRISES, INC. 6 4 3 0 0 13
KEMET ELECTRONICS CORPORATION 1 2 3 0 7 13
RAYTHEON COMPANY 4 2 3 2 2 13
SHINKO ELECTRIC INDUSTRIES CO., LTD. 1 5 3 3 1 13
UNISYS CORPORATION 2 4 2 1 4 13
VISTEON GLOBAL TECHNOLOGIES, INC. 0 3 2 3 5 13
CARDIAC PACEMAKERS, INC. 0 2 3 4 3 12
HUBBELL INCORPORATED 3 2 1 2 4 12
KYOCERA CORPORATION 3 3 3 1 2 12
LG. PHILIPS LCD CO., LTD. 1 3 4 2 2 12
LOCKHEED MARTIN CORPORATION 4 0 3 2 3 12
THOMSON LICENSING S.A. 1 1 2 3 5 12
XYBERNAUT CORPORATION 1 2 4 4 1 12
ALSTOM 0 0 4 4 3 11
LAM RESEARCH CORPORATION 1 2 5 2 1 11
SARNOFF CORPORATION & CO., LTD. 1 1 2 6 1 11
SCHWEITZER ENGINEERING LABORATORIES, INC. 3 1 2 2 3 11
SEIKO INSTRUMENTS INC. 1 1 3 4 2 11
SILICONWARE PRECISION INDUSTRIES CO., LTD. 0 4 3 3 1 11
CRYSTAL GROUP INC 0 1 3 2 4 10
ENLIGHT CORPORATION 1 2 5 2 0 10
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 1 1 3 4 10
ION SYSTEMS, INC. 3 2 0 0 5 10
OKI ELECTRIC INDUSTRY CO., LTD. 1 1 2 5 1 10
PACESETTER, INC. 0 5 2 2 1 10
THERMAL CORPORATION 0 2 3 2 3 10
3M INNOVATIVE PROPERTIES COMPANY 2 2 1 2 2 9
AMKOR TECHNOLOGY, INC. 1 1 1 3 3 9
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 5 3 1 0 0 9
ASUSTEK COMPUTER INC. 0 1 4 1 3 9
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 4 0 2 3 0 9
FIRST INTERNATIONAL COMPUTER, INC. 1 2 0 2 4 9
HUGHES ELECTRONICS CORP. 2 3 2 2 0 9
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 2 3 2 0 9
INCEP TECHNOLOGIES, INC. 0 1 3 2 3 9
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 0 0 8 1 9
SHIN JIUH CORP. 1 2 4 1 1 9
SUMITOMO WIRING SYSTEMS, LTD., CO. 3 0 2 2 2 9
ADC DSL SYSTEMS, INC. 0 1 0 2 5 8
CONEXANT SYSTEMS, INC. 1 1 5 1 0 8
CORNING CABLE SYSTEMS LLC 0 0 2 4 2 8
FEV MOTORENTECHNIK GMBH & CO. KG 5 1 1 1 0 8
LITE-ON ENCLOSURE INC. 0 1 6 1 0 8
LITTELFUSE, INC. 3 2 0 3 0 8
PHOENIX CONTACT GMBH & CO. KG 1 2 1 4 0 8
RAMBUS, INC. 1 0 1 3 3 8
STMICROELECTRONICS S.A. 2 2 0 1 3 8
STMICROELECTRONICS, INC. 1 1 3 1 2 8
TYCO ELECTRONICS LOGISTICS AG 0 3 3 2 0 8
ADVANCED SEMICONDUCTOR ENGINEERING, INC. 0 3 1 0 3 7
CITIZEN WATCH CO., LTD. 2 3 1 1 0 7
DIGITAL EQUIPMENT CORPORATION 6 1 0 0 0 7
EASTMAN KODAK COMPANY 1 0 3 1 2 7
FURUKAWA ELECTRIC CO., LTD. 0 2 3 1 1 7
GENERAL MOTORS CORPORATION 1 2 2 0 2 7
IBIDEN CO., LTD. 0 0 4 0 3 7
INTERNATIONAL RECTIFIER CORPORATION 1 1 2 2 1 7
LUXON ENERGY DEVICES CORPORATION 0 0 0 4 3 7
MCGRAW-EDISON COMPANY 0 2 4 0 1 7
MITAC TECHNOLOGY CORP. 0 1 0 1 5 7
MOELLER GMBH 0 0 1 4 2 7
NIPPON CHEMI-CON CORPORATION 2 1 2 2 0 7
NOKIA CORPORATION 0 0 2 2 3 7
POWER INTEGRATIONS, INC. 0 1 3 1 2 7
WILSON GREATBATCH LTD. 0 3 1 3 0 7
ALCATEL USA SOURCING, L.P. 2 1 3 0 0 6
AMERASIA INTERNATIONAL TECHNOLOGY, INC. 1 1 2 1 1 6
AUTONETWORKS TECHNOLOGIES, LTD. 0 0 2 1 3 6
BOEING COMPANY 0 0 2 2 2 6
COOPER TECHNOLOGIES COMPANY 1 1 1 2 1 6
FARADAY TECHNOLOGY CORPORATION 0 0 0 2 4 6
FUNAI ELECTRIC CO., LTD. 1 3 1 0 1 6
GARMIN CORPORATION 0 3 2 1 0 6
GENERAL INSTRUMENT CORPORATION 0 0 0 3 3 6
HIGH TECH COMPUTER CORP. 0 0 1 1 4 6
INCLOSE DESIGN, INC. 2 2 1 1 0 6
INVENTEC APPLIANCES CORP. 0 0 2 2 2 6
JDS UNIPHASE CORPORATION 0 0 2 2 2 6
KEIHIN CORPORATION 0 0 1 2 3 6
MACRONIX INTERNATIONAL CO., LTD. 0 0 0 4 2 6
MANNESMANN VDO AG 1 1 1 3 0 6
NCR CORPORATION 1 2 0 1 2 6
NIKON CORPORATION 0 1 2 3 0 6
PERICOM SEMICONDUCTOR CORP. 1 0 0 2 3 6
PIONEER CORPORATION 0 1 1 0 4 6
PORTWELL INC. 0 0 3 2 1 6
POWERWAVE TECHNOLOGIES, INC. 0 0 5 1 0 6
ROCKWELL TECHNOLOGIES, LLC 1 5 0 0 0 6
SEAGATE TECHNOLOGY, LLC 0 1 1 4 0 6
SIEMENS NIXDORF INFORMATIONSSYSTEME AG 2 3 1 0 0 6
STORAGE TECHNOLOGY CORPORATION 0 1 2 1 2 6
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 0 2 0 2 6
TEMIC TELEFUNKEN MICROELECTRONIC GMBH 2 3 1 0 0 6
TRW INC. 1 4 1 0 0 6
ABB (SCHWEIZ) AG 0 0 1 3 1 5
ACCTON TECHNOLOGY CORP. 0 0 0 4 1 5
ADVANTEST CORP. 2 1 1 0 1 5
ALCATEL CANADA, INC. 0 0 2 1 2 5
ANALOG DEVICES, INC. 2 0 2 0 1 5
ANDREW CORPORATION 0 0 1 1 3 5
BERG TECHNOLOGY, INC. 3 0 1 1 0 5
CHIP COOLERS, INC. 3 2 0 0 0 5
CREDENCE SYSTEMS CORPORATION 2 0 2 0 1 5
DALLAS SEMICONDUCTOR CORPORATION 3 2 0 0 0 5
DIALOG SEMICONDUCTOR GMBH 0 0 0 0 5 5
EMERSON ELECTRIC CO. 2 0 2 1 0 5
ENERGYLINE SYSTEMS, INC. 2 1 1 0 1 5
FORD GLOBAL TECHNOLOGIES, INC. 0 1 2 2 0 5
FUJIKURA LTD. 2 0 1 0 2 5
FUJITSU NETWORK COMMUNICATIONS, INC. 0 1 3 1 0 5
GLOBAL SUN TECHNOLOGY INC. 0 0 0 4 1 5
HAMILTON SUNDSTRAND CORPORATION 2 2 0 1 0 5
INTERMEC IP CORP. 2 1 1 1 0 5
JAPAN SOLDERLESS TERMINAL MFG. CO., LTD. 0 1 2 2 0 5
MERCURY COMPUTER SYSTEMS, INC. 0 0 0 1 4 5
MITAC INTERNATIONAL CORP. 2 0 0 2 1 5
MITSUBISHI MATERIALS CORPORATION 0 2 0 2 1 5
NEC TOKIN TOYAMA, LTD. 0 0 1 4 0 5
NESS CAPACITOR CO., LTD. 0 0 3 2 0 5
NETWORK ENGINES, INC. 0 0 0 3 2 5
PHILIPS ELECTRONICS NORTH AMERICA CORP. 1 4 0 0 0 5
POLYPHASER CORPORATION 2 2 0 0 1 5
POWERWARE CORPORATION 0 2 2 0 1 5
QUANTUM CORP. (CA) 1 0 0 2 2 5
RENESAS TECHNOLOGY CORPORATION 0 0 0 0 5 5
ROCKWELL COLLINS, INC. 0 0 1 2 2 5
SCIENTIFIC-ATLANTA, INC. 2 0 2 1 0 5
SIEMENS AUTOMOTIVE CORPORATION 3 0 1 1 0 5
SPECIAL PRODUCT COMPANY 1 1 3 0 0 5
STRATOS LIGHTWAVE, INC. 0 2 2 1 0 5
SUNONWEALTH ELECTRIC MACHINE INDUSTRY CO., LTD. 1 1 0 2 1 5
TEKTRONIX INC. 1 1 1 1 1 5
TRW AUTOMOTIVE ELECTRONICS & COMPONENTS GMBH & CO. KG 0 0 2 1 2 5
UNITED STATES OF AMERICA, NAVY 1 1 1 0 2 5
VIA TECHNOLOGIES, INC. 0 1 1 1 2 5
VISHAY SPRAGUE, INC. 0 3 2 0 0 5
YAZAKI NORTH AMERICA, INC. 0 0 1 0 4 5


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