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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 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 2001 2002 2003 2004 2005 Total
INTERNATIONAL BUSINESS MACHINES CORPORATION 108 106 150 127 118 609
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 67 57 70 194
SUN MICROSYSTEMS, INC. 27 27 31 46 49 180
INTEL CORPORATION 21 21 43 48 41 174
MICRON TECHNOLOGY, INC. 42 28 38 16 22 146
TEXAS INSTRUMENTS, INCORPORATED 21 23 34 35 19 132
FUJITSU LIMITED 15 15 40 34 22 126
SAMSUNG ELECTRONICS CO., LTD. 26 22 29 26 18 121
HITACHI, LTD 28 21 23 20 28 120
NEC CORPORATION 30 32 20 19 16 117
LSI LOGIC CORPORATION 16 18 16 22 25 97
~Individually Owned Patent 19 11 23 24 19 96
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 15 15 20 29 15 94
MICROSOFT CORPORATION 10 16 23 26 18 93
LUCENT TECHNOLOGIES INC. 28 17 14 9 7 75
MITSUBISHI DENKI KABUSHIKI KAISHA 12 18 23 12 9 74
SONY CORPORATION 18 19 12 14 11 74
ADVANCED MICRO DEVICES, INC. 11 18 21 13 10 73
NORTEL NETWORKS LIMITED 11 11 16 19 12 69
EMC CORPORATION 11 7 18 13 17 66
INFINEON TECHNOLOGIES AG 2 7 16 16 25 66
ADVANTEST CORP. 11 17 19 8 10 65
TOSHIBA CORPORATION 8 12 16 14 15 65
CISCO TECHNOLOGY, INC. 7 11 12 19 12 61
AGILENT TECHNOLOGIES, INC. 7 6 13 18 15 59
MOTOROLA, INC. 12 8 14 12 8 54
KONINKLIJKE PHILIPS ELECTRONICS N.V. 1 5 13 15 16 50
HEWLETT-PACKARD COMPANY 18 17 9 0 1 45
AGERE SYSTEMS INC. 1 2 17 16 8 44
SIEMENS AKTIENGESELLSCHAFT 9 4 9 12 10 44
TELEFONAKTIEBOLAGET LM ERICSSON 10 10 11 7 5 43
DELL PRODUCTS, L.P. 1 6 11 10 12 40
COMPAQ COMPUTER CORPORATION, INC. 20 17 1 0 0 38
CYPRESS SEMICONDUCTOR CORP. 3 3 7 9 12 34
UNISYS CORPORATION 2 11 8 7 5 33
GENERAL ELECTRIC COMPANY 8 4 12 7 1 32
RENESAS TECHNOLOGY CORPORATION 0 0 0 19 13 32
SEAGATE TECHNOLOGY, LLC 10 5 5 5 7 32
MAXTOR CORPORATION 3 9 9 3 7 31
QUALCOMM, INC. 7 3 5 9 3 27
ADAPTEC, INC. 5 7 2 6 6 26
STMICROELECTRONICS, LTD. 2 5 10 4 5 26
BROADCOM CORPORATION 2 0 3 9 10 24
CANON KABUSHIKI KAISHA 5 4 7 3 5 24
LG ELECTRONICS INC. 1 2 3 8 10 24
TERADYNE, INC. 3 7 7 4 3 24
XILINX, INC. 3 3 4 8 6 24
HUGHES ELECTRONICS CORP. 7 3 4 4 5 23
OKI ELECTRIC INDUSTRY CO., LTD. 10 5 5 1 2 23
NEC ELECTRONICS CORPORATION 0 0 6 9 7 22
NETWORK APPLIANCE, INC. 1 2 2 5 11 21
OAK TECHNOLOGIES, INC. 2 4 10 5 0 21
3COM CORPORATION 5 2 3 8 2 20
AGERE SYSTEMS GUARDIAN CORP. 7 13 0 0 0 20
AT&T CORP. 4 5 3 4 4 20
CONEXANT SYSTEMS, INC. 3 4 6 3 2 18
ANDO ELECTRIC CO., LTD. 5 2 4 4 2 17
ERICSSON, INC. 5 4 6 2 0 17
ALTERA CORPORATION 6 3 1 4 2 16
LOGICVISION, INC. 1 2 3 7 3 16
NOKIA MOBILE PHONES LTD. 5 6 3 1 1 16
ALCATEL 2 4 5 2 2 15
NCR CORPORATION 4 4 1 4 2 15
STMICROELECTRONICS S.A. 0 4 2 4 5 15
STMICROELECTRONICS, INC. 2 3 6 3 1 15
WESTERN DIGITAL TECHNOLOGIES, INC. 3 3 4 3 2 15
HONEYWELL INTERNATIONAL INC. 1 3 2 4 4 14
ROBERT BOSCH GMBH 3 2 2 4 3 14
WINBOND ELECTRONICS CORP. 3 2 1 4 4 14
CIRRUS LOGIC, INC. 4 1 7 0 1 13
SYNOPSYS INC. 3 6 2 1 1 13
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 9 3 0 0 12
INVENTEC CORPORATION 1 3 4 1 3 12
STORAGE TECHNOLOGY CORPORATION 0 3 5 1 3 12
STRATUS TECHNOLOGIES BERMUDA LTD. 0 0 1 7 4 12
VIA TECHNOLOGIES, INC. 1 3 1 3 4 12
FREESCALE SEMICONDUCTOR, INC. 0 0 0 6 5 11
NOKIA CORPORATION 1 0 4 0 6 11
ORACLE INTERNATIONAL CORPORATION 0 0 4 3 4 11
SILICON GRAPHICS, INC. 1 3 3 4 0 11
THOMSON LICENSING S.A. 1 1 3 5 1 11
APPLIED MICRO CIRCUITS CORPORATION 0 1 0 4 5 10
CADENCE DESIGN SYSTEMS, INC. 0 0 3 5 2 10
CREDENCE SYSTEMS CORPORATION 6 0 1 1 2 10
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 3 1 1 4 1 10
ROCKWELL AUTOMATION TECHNOLOGIES, INC. 0 1 2 4 3 10
SEIKO EPSON CORPORATION 0 1 3 4 2 10
BULL HN INFORMATION SYSTEMS INC. 1 1 1 4 2 9
CIENA CORPORATION 0 0 0 3 6 9
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 7 0 0 0 9
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 0 3 1 3 9
STMICROELECTRONICS S.R.L. 1 0 4 2 2 9
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 1 2 0 4 8
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF INDUSTRY THROUGH THE COMMUNICATIONS RESEARCH CENTRE 0 2 2 2 2 8
MICRON ELECTRONICS, INC. 7 1 0 0 0 8
NATIONAL INSTRUMENTS CORPORATION 2 1 1 2 2 8
NATIONAL SEMICONDUCTOR CORPORATION 4 1 1 1 1 8
ORACLE CORPORATION 4 1 3 0 0 8
TRW INC. 3 1 4 0 0 8
VERISITY LTD. 2 1 2 1 2 8
ACCENTURE LLP 0 4 2 0 1 7
BULL S.A. 5 0 0 2 0 7
EQUIPE COMMUNICATIONS CORPORATION 1 0 2 4 0 7
HARRIS CORP. 2 1 1 0 3 7
INTERDIGITAL TECHNOLOGY CORPORATION 0 0 0 1 6 7
KINGSTON TECHNOLOGY COMPANY 1 4 0 1 1 7
LG INFORMATION & COMMUNICATIONS, LTD. 0 2 4 1 0 7
SANYO ELECTRIC CO., LTD. 1 1 0 5 0 7
STMICROELECTRONICS N.V. 4 3 0 0 0 7
XEROX CORPORATION 2 1 1 2 1 7
ACTEL CORPORATION, INC. 2 0 1 2 1 6
APPLE COMPUTER, INC. 3 1 0 1 1 6
DELPHI TECHNOLOGIES, INC. 0 4 0 0 2 6
DENSO CORPORATION 2 0 1 1 2 6
GLOBESPAN VIRATA, INC. 0 3 2 0 1 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 3 1 1 0 6
INFINEON TECHNOLOGIES NORTH AMERICA CORP. 0 3 0 3 0 6
INTRINSITY, INC. 3 2 0 1 0 6
IOMEGA CORPORATION 2 0 4 0 0 6
NETWORK ASSOCIATES, INC. 3 0 1 2 0 6
NORTHROP GRUMMAN CORPORATION 0 1 4 0 1 6
OLYMPUS OPTICAL CO., LTD. 3 1 2 0 0 6
WORLDCOM, INC. 0 3 2 1 0 6
ACER LABORATORIES INC. 0 0 0 5 0 5
ARRAYCOMM, INC. 0 0 1 2 2 5
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION, INC. 0 0 2 1 2 5
FISHER-ROSEMOUNT SYSTEMS, INC. 1 0 1 1 2 5
I-TECH CORP 1 1 1 1 1 5
INFINEON TECHNOLOGIES RICHMOND, LP 0 1 2 1 1 5
KENCAST, INC. 1 1 3 0 0 5
LATTICE SEMICONDUCTOR CORPORATION 0 0 4 0 1 5
LOCKHEED MARTIN CORPORATION 1 0 0 3 1 5
MACRONIX INTERNATIONAL CO., LTD. 1 1 2 0 1 5
MARVELL INTERNATIONAL LTD. 0 1 1 1 2 5
MEDIATEK INC. 0 0 1 1 3 5
MERCURY INTERACTIVE CORPORATION 0 2 1 2 0 5
NEC ELECTRONICS INC. 0 2 2 1 0 5
NOKIA NETWORKS OY 1 3 0 1 0 5
NOVELL, INC. 2 1 2 0 0 5
NTT MOBILE COMMUNICATIONS NETWORK INC. 1 0 2 1 1 5
QWEST COMMUNICATIONS INTERNATIONAL INC. 2 0 2 0 1 5
SANDISK CORPORATION 0 0 1 4 0 5
SPRINT COMMUNICATIONS COMPANY L.P. 1 0 1 1 2 5
SYMANTEC CORPORATION 2 0 2 1 0 5
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 1 1 1 5
VLSI TECHNOLOGY, INC. 3 2 0 0 0 5
YAZAKI CORP. 4 1 0 0 0 5


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