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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 714, Error Detection/Correction and Fault Detection/Recovery

( 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
INTERNATIONAL BUSINESS MACHINES CORPORATION 106 108 106 150 127 597
INTEL CORPORATION 24 21 21 43 48 157
MICRON TECHNOLOGY, INC. 32 42 28 38 16 156
SUN MICROSYSTEMS, INC. 24 27 27 31 46 155
TEXAS INSTRUMENTS, INCORPORATED 19 21 23 34 35 132
NEC CORPORATION 28 30 32 20 19 129
SAMSUNG ELECTRONICS CO., LTD. 26 26 22 29 26 129
HITACHI, LTD 34 28 21 23 20 126
FUJITSU LIMITED 20 15 15 40 34 124
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 67 57 124
LUCENT TECHNOLOGIES INC. 33 28 17 14 9 101
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 13 15 15 20 29 92
LSI LOGIC CORPORATION 18 16 18 16 22 90
~Individually Owned Patent 10 19 11 23 24 87
MITSUBISHI DENKI KABUSHIKI KAISHA 21 12 18 23 12 86
MICROSOFT CORPORATION 8 10 16 23 26 83
ADVANCED MICRO DEVICES, INC. 16 11 18 21 13 79
SONY CORPORATION 12 18 19 12 14 75
ADVANTEST CORP. 15 11 17 19 8 70
TOSHIBA CORPORATION 20 8 12 16 14 70
HEWLETT-PACKARD COMPANY 23 18 17 9 0 67
MOTOROLA, INC. 20 12 8 14 12 66
COMPAQ COMPUTER CORPORATION, INC. 25 20 17 1 0 63
NORTEL NETWORKS LIMITED 5 11 11 16 19 62
EMC CORPORATION 11 11 7 18 13 60
CISCO TECHNOLOGY, INC. 4 7 11 12 19 53
AGILENT TECHNOLOGIES, INC. 4 7 6 13 18 48
TELEFONAKTIEBOLAGET LM ERICSSON 5 10 10 11 7 43
INFINEON TECHNOLOGIES AG 1 2 7 16 16 42
SIEMENS AKTIENGESELLSCHAFT 8 9 4 9 12 42
AGERE SYSTEMS INC. 0 1 2 17 16 36
GENERAL ELECTRIC COMPANY 3 8 4 12 7 34
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 1 5 13 15 34
UNISYS CORPORATION 5 2 11 8 7 33
MICRON ELECTRONICS, INC. 23 7 1 0 0 31
DELL PRODUCTS, L.P. 1 1 6 11 10 29
CYPRESS SEMICONDUCTOR CORP. 6 3 3 7 9 28
OKI ELECTRIC INDUSTRY CO., LTD. 7 10 5 5 1 28
QUALCOMM, INC. 2 7 3 5 9 26
SEAGATE TECHNOLOGY, LLC 1 10 5 5 5 26
ADAPTEC, INC. 5 5 7 2 6 25
CANON KABUSHIKI KAISHA 6 5 4 7 3 25
MAXTOR CORPORATION 1 3 9 9 3 25
3COM CORPORATION 6 5 2 3 8 24
ERICSSON, INC. 7 5 4 6 2 24
TERADYNE, INC. 3 3 7 7 4 24
STMICROELECTRONICS, LTD. 1 2 5 10 4 22
XILINX, INC. 4 3 3 4 8 22
OAK TECHNOLOGIES, INC. 0 2 4 10 5 21
AGERE SYSTEMS GUARDIAN CORP. 0 7 13 0 0 20
AT&T CORP. 4 4 5 3 4 20
ANDO ELECTRIC CO., LTD. 4 5 2 4 4 19
CONEXANT SYSTEMS, INC. 3 3 4 6 3 19
RENESAS TECHNOLOGY CORPORATION 0 0 0 0 19 19
CIRRUS LOGIC, INC. 6 4 1 7 0 18
HUGHES ELECTRONICS CORP. 0 7 3 4 4 18
NOKIA MOBILE PHONES LTD. 2 5 6 3 1 17
STMICROELECTRONICS, INC. 3 2 3 6 3 17
CREDENCE SYSTEMS CORPORATION 8 6 0 1 1 16
NCR CORPORATION 3 4 4 1 4 16
ROBERT BOSCH GMBH 5 3 2 2 4 16
SYNOPSYS INC. 4 3 6 2 1 16
ALTERA CORPORATION 1 6 3 1 4 15
NEC ELECTRONICS CORPORATION 0 0 0 6 9 15
ALCATEL 1 2 4 5 2 14
BROADCOM CORPORATION 0 2 0 3 9 14
LG ELECTRONICS INC. 0 1 2 3 8 14
LOGICVISION, INC. 1 1 2 3 7 14
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 4 3 1 1 4 13
WESTERN DIGITAL TECHNOLOGIES, INC. 0 3 3 4 3 13
WINBOND ELECTRONICS CORP. 3 3 2 1 4 13
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 0 9 3 0 12
NATIONAL SEMICONDUCTOR CORPORATION 5 4 1 1 1 12
SILICON GRAPHICS, INC. 1 1 3 3 4 12
U.S. PHILIPS CORPORATION 8 1 3 0 0 12
HONEYWELL INTERNATIONAL INC. 1 1 3 2 4 11
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 2 7 0 0 11
NETWORK APPLIANCE, INC. 1 1 2 2 5 11
ORACLE CORPORATION 3 4 1 3 0 11
SANYO ELECTRIC CO., LTD. 4 1 1 0 5 11
STMICROELECTRONICS S.A. 1 0 4 2 4 11
BULL HN INFORMATION SYSTEMS INC. 3 1 1 1 4 10
INVENTEC CORPORATION 1 1 3 4 1 10
OLYMPUS OPTICAL CO., LTD. 4 3 1 2 0 10
STMICROELECTRONICS N.V. 3 4 3 0 0 10
THOMSON LICENSING S.A. 0 1 1 3 5 10
BULL S.A. 2 5 0 0 2 9
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF INDUSTRY THROUGH THE COMMUNICATIONS RESEARCH CENTRE 3 0 2 2 2 9
STMICROELECTRONICS S.R.L. 2 1 0 4 2 9
STORAGE TECHNOLOGY CORPORATION 0 0 3 5 1 9
TRW INC. 1 3 1 4 0 9
CADENCE DESIGN SYSTEMS, INC. 0 0 0 3 5 8
DIGITAL EQUIPMENT CORPORATION 8 0 0 0 0 8
INFINEON TECHNOLOGIES NORTH AMERICA CORP. 2 0 3 0 3 8
NETWORK ASSOCIATES, INC. 2 3 0 1 2 8
SEIKO EPSON CORPORATION 0 0 1 3 4 8
STRATUS TECHNOLOGIES BERMUDA LTD. 0 0 0 1 7 8
VIA TECHNOLOGIES, INC. 0 1 3 1 3 8
EQUIPE COMMUNICATIONS CORPORATION 0 1 0 2 4 7
LG INFORMATION & COMMUNICATIONS, LTD. 0 0 2 4 1 7
NEC USA, INC. 3 1 2 1 0 7
NTT MOBILE COMMUNICATIONS NETWORK INC. 3 1 0 2 1 7
ORACLE INTERNATIONAL CORPORATION 0 0 0 4 3 7
QUANTUM CORP. (CA) 4 1 0 0 2 7
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 0 1 2 4 7
SGS-THOMSON MICROELECTRONICS S.A. 3 3 1 0 0 7
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 2 0 3 1 7
SYMANTEC CORPORATION 2 2 0 2 1 7
TEKTRONIX INC. 4 1 0 1 1 7
VLSI TECHNOLOGY, INC. 2 3 2 0 0 7
YAZAKI CORP. 2 4 1 0 0 7
ACCENTURE LLP 0 0 4 2 0 6
DAEWOO ELECTRONICS COMPANY, LTD. 4 1 0 0 1 6
FRANCE TELECOM 3 1 1 0 1 6
FREESCALE SEMICONDUCTOR, INC. 0 0 0 0 6 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 1 3 1 1 6
INTRINSITY, INC. 0 3 2 0 1 6
IOMEGA CORPORATION 0 2 0 4 0 6
KENCAST, INC. 1 1 1 3 0 6
KINGSTON TECHNOLOGY COMPANY 0 1 4 0 1 6
MCI COMMUNICATIONS CORP. 3 3 0 0 0 6
NATIONAL INSTRUMENTS CORPORATION 0 2 1 1 2 6
NOKIA TELECOMMUNICATIONS OY 4 0 2 0 0 6
NOVELL, INC. 1 2 1 2 0 6
RICOH COMPANY, LTD. 2 0 2 1 1 6
SANDISK CORPORATION 1 0 0 1 4 6
SCHLUMBERGER TECHNOLOGIES, INC. 3 0 1 2 0 6
TANDEM COMPUTERS INCORPORATED 5 1 0 0 0 6
VERISITY LTD. 0 2 1 2 1 6
WORLDCOM, INC. 0 0 3 2 1 6
XEROX CORPORATION 0 2 1 1 2 6
ACER LABORATORIES INC. 0 0 0 0 5 5
ACTEL CORPORATION, INC. 0 2 0 1 2 5
APPLE COMPUTER, INC. 0 3 1 0 1 5
APPLIED MICRO CIRCUITS CORPORATION 0 0 1 0 4 5
CISCO SYSTEMS, INC. 2 1 0 1 1 5
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 1 1 2 0 5
GLOBESPAN VIRATA, INC. 0 0 3 2 0 5
HARRIS CORP. 1 2 1 1 0 5
LEGATO SYSTEMS, INC. 1 2 1 1 0 5
LOCKHEED MARTIN CORPORATION 1 1 0 0 3 5
MARATHON TECHNOLOGIES CORPORATION 1 2 1 0 1 5
MERCURY INTERACTIVE CORPORATION 0 0 2 1 2 5
NEC ELECTRONICS INC. 0 0 2 2 1 5
NOKIA CORPORATION 0 1 0 4 0 5
NOKIA NETWORKS OY 0 1 3 0 1 5
NORTHROP GRUMMAN CORPORATION 0 0 1 4 0 5


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