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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 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 1998 1999 2000 2001 2002 Total
INTERNATIONAL BUSINESS MACHINES CORPORATION 113 102 106 108 106 535
NEC CORPORATION 33 39 28 30 32 162
HITACHI, LTD 40 24 34 27 21 146
MICRON TECHNOLOGY, INC. 17 23 32 42 28 142
SUN MICROSYSTEMS, INC. 23 38 24 27 27 139
SAMSUNG ELECTRONICS CO., LTD. 20 31 26 26 22 125
HEWLETT-PACKARD COMPANY 34 30 23 18 17 122
LUCENT TECHNOLOGIES INC. 25 17 33 28 17 120
FUJITSU LIMITED 39 26 20 15 15 115
INTEL CORPORATION 22 23 24 21 21 111
MITSUBISHI DENKI KABUSHIKI KAISHA 26 32 21 12 18 109
TEXAS INSTRUMENTS, INCORPORATED 21 18 19 21 23 102
MOTOROLA, INC. 32 23 20 12 8 95
TOSHIBA CORPORATION 20 30 20 8 12 90
COMPAQ COMPUTER CORPORATION, INC. 11 14 25 20 17 87
SONY CORPORATION 15 18 12 18 19 82
LSI LOGIC CORPORATION 10 19 18 16 18 81
ADVANTEST CORP. 17 16 15 11 17 76
ADVANCED MICRO DEVICES, INC. 15 14 16 11 18 74
~Individually Owned Patent 20 13 10 19 11 73
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 8 13 13 15 15 64
EMC CORPORATION 14 13 11 11 7 56
MICROSOFT CORPORATION 6 7 8 10 16 47
MICRON ELECTRONICS, INC. 1 13 23 7 1 45
TELEFONAKTIEBOLAGET LM ERICSSON 8 6 5 10 10 39
UNISYS CORPORATION 14 5 5 2 11 37
ERICSSON, INC. 6 14 7 5 4 36
CIRRUS LOGIC, INC. 10 14 6 4 1 35
CANON KABUSHIKI KAISHA 10 9 6 5 4 34
SIEMENS AKTIENGESELLSCHAFT 9 4 8 9 4 34
OKI ELECTRIC INDUSTRY CO., LTD. 3 7 7 10 5 32
DIGITAL EQUIPMENT CORPORATION 16 6 8 0 0 30
U.S. PHILIPS CORPORATION 10 8 8 1 3 30
TANDEM COMPUTERS INCORPORATED 12 11 5 1 0 29
NORTEL NETWORKS CORPORATION 0 1 5 11 11 28
CYPRESS SEMICONDUCTOR CORP. 6 9 6 3 3 27
CREDENCE SYSTEMS CORPORATION 4 8 8 6 0 26
MCI COMMUNICATIONS CORP. 7 11 3 3 0 24
CISCO TECHNOLOGY, INC. 0 1 4 7 11 23
NCR CORPORATION 1 11 3 4 4 23
ADAPTEC, INC. 2 3 5 5 7 22
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 7 13 20
GENERAL ELECTRIC COMPANY 4 1 3 8 4 20
QUANTUM CORP. (CA) 10 5 4 1 0 20
TERADYNE, INC. 4 3 3 3 7 20
3COM CORPORATION 1 4 6 5 2 18
AT&T CORP. 1 4 4 4 5 18
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 4 3 2 2 7 18
NOKIA MOBILE PHONES LTD. 3 2 2 5 6 18
SYNOPSYS INC. 2 3 4 3 6 18
AGILENT TECHNOLOGIES, INC. 0 0 4 7 6 17
SGS-THOMSON MICROELECTRONICS S.A. 6 4 3 3 1 17
ANDO ELECTRIC CO., LTD. 3 2 4 5 2 16
DELL PRODUCTS, L.P. 2 6 1 1 6 16
QUALCOMM, INC. 2 2 2 7 3 16
ROBERT BOSCH GMBH 2 4 5 3 2 16
SEAGATE TECHNOLOGY, LLC 0 0 1 10 5 16
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 4 3 4 3 1 15
NATIONAL SEMICONDUCTOR CORPORATION 5 0 5 4 1 15
VLSI TECHNOLOGY, INC. 2 6 2 3 2 15
ALTERA CORPORATION 1 3 1 6 3 14
DAEWOO ELECTRONICS COMPANY, LTD. 4 5 4 1 0 14
MAXTOR CORPORATION 0 1 1 3 9 14
OLYMPUS OPTICAL CO., LTD. 4 2 4 3 1 14
SANYO ELECTRIC CO., LTD. 6 2 4 1 1 14
XILINX, INC. 1 3 4 3 3 14
ORACLE CORPORATION 3 2 3 4 1 13
STMICROELECTRONICS, INC. 4 1 3 2 3 13
NEC USA, INC. 2 4 3 1 2 12
NOKIA TELECOMMUNICATIONS OY 2 4 4 0 2 12
SEAGATE TECHNOLOGY, INCORPORATED 5 4 2 1 0 12
CONEXANT SYSTEMS, INC. 0 1 3 3 4 11
HUGHES ELECTRONICS CORP. 0 1 0 7 3 11
INTEGRATED DEVICE TECHNOLOGY, INC. 2 7 0 2 0 11
INFINEON TECHNOLOGIES AG 0 0 1 2 7 10
SGS-THOMSON MICROELECTRONICS S.R.L. 4 4 2 0 0 10
SILICON GRAPHICS, INC. 3 2 1 1 3 10
STMICROELECTRONICS N.V. 0 0 3 4 3 10
TEKTRONIX INC. 3 2 4 1 0 10
WINBOND ELECTRONICS CORP. 1 1 3 3 2 10
ALCATEL 0 2 1 2 4 9
APPLE COMPUTER, INC. 3 2 0 3 1 9
BULL HN INFORMATION SYSTEMS INC. 1 3 3 1 1 9
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 0 0 0 9 9
RICOH COMPANY, LTD. 4 1 2 0 2 9
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 4 2 1 2 0 9
BULL S.A. 1 0 2 5 0 8
LG SEMICON CO., LTD. 4 0 3 1 0 8
SGS-THOMSON MICROELECTRONICS LIMITED 5 1 1 1 0 8
STMICROELECTRONICS, LTD. 0 0 1 2 5 8
CABLETRON SYSTEMS, INC. 2 2 1 2 0 7
DISCOVISION ASSOCIATES 3 2 2 0 0 7
HARRIS CORP. 3 0 1 2 1 7
SYMANTEC CORPORATION 1 2 2 2 0 7
TRW INC. 1 1 1 3 1 7
UNITED MICROELECTRONICS CORPORATION 3 1 1 0 2 7
XEROX CORPORATION 2 2 0 2 1 7
YAZAKI CORP. 0 0 2 4 1 7
FRANCE TELECOM 0 1 3 1 1 6
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 1 5 6
LOGICVISION, INC. 0 2 1 1 2 6
MARATHON TECHNOLOGIES CORPORATION 0 2 1 2 1 6
MITSUBISHI ELECTRIC SEMICONDUCTOR SOFTWARE CO., LTD. 3 3 0 0 0 6
NETWORK ASSOCIATES, INC. 1 0 2 3 0 6
NORTHERN TELECOM LIMITED 2 3 0 0 1 6
NOVELL, INC. 2 0 1 2 1 6
OAK TECHNOLOGIES, INC. 0 0 0 2 4 6
RAYTHEON COMPANY 2 0 1 3 0 6
SCHLUMBERGER TECHNOLOGIES, INC. 0 2 3 0 1 6
TEXAS MICRO, INC. 4 2 0 0 0 6
WESTERN DIGITAL TECHNOLOGIES, INC. 0 0 0 3 3 6
ATMEL CORPORATION 0 2 2 1 0 5
BOEING COMPANY 3 0 1 0 1 5
CRAY RESEARCH, INC. 1 2 1 1 0 5
ELECTRONIC DATA SYSTEMS CORPORATION 2 1 1 1 0 5
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF COMMUNICATIONS 0 0 3 0 2 5
HONEYWELL INC. 1 3 0 0 1 5
HONEYWELL INTERNATIONAL INC. 0 0 1 1 3 5
INFINEON TECHNOLOGIES NORTH AMERICA CORP. 0 0 2 0 3 5
INTRINSITY, INC. 0 0 0 3 2 5
INVENTEC CORPORATION 0 0 1 1 3 5
KINGSTON TECHNOLOGY COMPANY 0 0 0 1 4 5
LG ELECTRONICS INC. 0 2 0 1 2 5
LOCKHEED MARTIN CORPORATION 0 3 1 1 0 5
MACRONIX INTERNATIONAL CO., LTD. 1 2 0 1 1 5
MICRON QUANTUM DEVICES, INC. 5 0 0 0 0 5
NETWORK APPLIANCE, INC. 0 1 1 1 2 5
NTT MOBILE COMMUNICATIONS NETWORK INC. 1 0 3 1 0 5
OVERLAND DATA, INC. 1 1 1 1 1 5
RATIONAL SOFTWARE CORPORATION 1 1 1 2 0 5
S3, INCORPORATED 0 2 1 0 2 5
SCHLUMBERGER INDUSTRIES, S.A. 0 3 1 0 1 5
STMICROELECTRONICS S.A. 0 0 1 0 4 5
STRATUS COMPUTER, INC. 4 1 0 0 0 5


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