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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 711, Memory (Electrical Computers and Digital Processing Systems)

( 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 137 133 133 210 246 859
INTEL CORPORATION 66 74 51 65 91 347
SUN MICROSYSTEMS, INC. 45 56 54 34 33 222
HITACHI, LTD 32 28 33 30 45 168
ADVANCED MICRO DEVICES, INC. 28 35 37 31 35 166
MICRON TECHNOLOGY, INC. 9 16 22 49 41 137
HEWLETT-PACKARD COMPANY 22 21 20 27 44 134
FUJITSU LIMITED 39 24 21 16 31 131
EMC CORPORATION 15 18 25 31 37 126
COMPAQ COMPUTER CORPORATION, INC. 21 13 24 49 11 118
NEC CORPORATION 12 17 30 23 31 113
TOSHIBA CORPORATION 22 19 11 9 19 80
TEXAS INSTRUMENTS, INCORPORATED 26 8 9 20 12 75
SONY CORPORATION 12 12 14 18 17 73
MOTOROLA, INC. 29 10 14 11 7 71
UNISYS CORPORATION 22 13 13 7 11 66
MITSUBISHI DENKI KABUSHIKI KAISHA 16 13 13 9 14 65
~Individually Owned Patent 15 11 12 11 10 59
DIGITAL EQUIPMENT CORPORATION 19 16 9 1 0 45
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 7 9 4 10 14 44
LSI LOGIC CORPORATION 1 6 12 13 10 42
LUCENT TECHNOLOGIES INC. 6 2 12 11 7 38
MICROSOFT CORPORATION 8 5 8 7 10 38
SAMSUNG ELECTRONICS CO., LTD. 7 14 8 3 5 37
STORAGE TECHNOLOGY CORPORATION 1 3 8 9 8 29
CANON KABUSHIKI KAISHA 6 5 7 4 3 25
CIRRUS LOGIC, INC. 9 5 4 4 3 25
APPLE COMPUTER, INC. 8 3 6 3 4 24
DELL PRODUCTS, L.P. 4 3 6 2 8 23
ADAPTEC, INC. 1 6 6 3 6 22
ORACLE CORPORATION 2 5 3 2 10 22
VLSI TECHNOLOGY, INC. 6 6 7 1 2 22
NATIONAL SEMICONDUCTOR CORPORATION 6 10 0 3 2 21
SILICON GRAPHICS, INC. 3 2 5 6 5 21
RAMBUS, INC. 0 2 6 3 9 20
CYPRESS SEMICONDUCTOR CORP. 5 5 4 1 4 19
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 1 2 4 9 3 19
INTEGRATED DEVICE TECHNOLOGY, INC. 4 3 3 5 4 19
MICRON ELECTRONICS, INC. 2 9 3 3 2 19
U.S. PHILIPS CORPORATION 3 3 5 7 1 19
ATI INTERNATIONAL SRL 0 0 0 8 10 18
LEXAR MICROSYSTEMS, INC. 1 4 6 3 4 18
BULL S.A. 0 1 4 6 6 17
WESTERN DIGITAL CORPORATION 0 9 7 1 0 17
NCR CORPORATION 4 5 4 1 2 16
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 0 0 2 13 15
CISCO TECHNOLOGY, INC. 0 0 2 6 6 14
SIEMENS AKTIENGESELLSCHAFT 3 3 5 1 2 14
NORTEL NETWORKS CORPORATION 0 1 3 6 3 13
OKI ELECTRIC INDUSTRY CO., LTD. 1 1 3 3 5 13
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 4 2 2 2 13
ALTERA CORPORATION 3 1 4 2 2 12
ARM LIMITED 0 1 4 2 5 12
ATI TECHNOLOGIES INC. 0 1 1 5 5 12
CRAY RESEARCH, INC. 7 2 2 0 0 11
DALLAS SEMICONDUCTOR CORPORATION 5 2 4 0 0 11
INSTITUTE FOR THE DEVELOPMENT OF EMERGING ARCHITECTURES, L.L.C. 1 0 3 4 3 11
RICOH COMPANY, LTD. 1 2 2 5 1 11
SANYO ELECTRIC CO., LTD. 2 3 0 4 2 11
NETLOGIC MICROSYSTEMS, INC. 0 0 1 4 5 10
PHILIPS ELECTRONICS NORTH AMERICA CORP. 2 1 3 0 4 10
UNITED MICROELECTRONICS CORPORATION 3 3 4 0 0 10
VIA TECHNOLOGIES, INC. 0 0 0 2 8 10
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 3 1 2 0 9
MONOLITHIC SYSTEM TECHNOLOGY, INC. 2 1 1 1 4 9
POWERQUEST CORPORATION 1 1 2 4 1 9
QUANTUM CORP. (CA) 1 1 2 4 1 9
SEAGATE TECHNOLOGY, LLC 0 0 2 3 4 9
SEIKO EPSON CORPORATION 3 0 1 3 2 9
SGS-THOMSON MICROELECTRONICS S.A. 1 1 3 4 0 9
STMICROELECTRONICS, INC. 0 1 2 3 3 9
DATA GENERAL CORP. 3 5 0 0 0 8
TELEFONAKTIEBOLAGET LM ERICSSON 0 2 0 4 2 8
3COM CORPORATION 0 1 3 3 0 7
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 2 5 7
AT&T CORP. 1 1 1 2 2 7
BULL HN INFORMATION SYSTEMS INC. 1 3 1 2 0 7
DISCOVISION ASSOCIATES 3 1 2 0 1 7
INFINEON TECHNOLOGIES AG 0 0 0 1 6 7
OPTI, INC. 3 3 0 0 1 7
RAMTRON INTERNATIONAL CORPORATION 3 2 0 2 0 7
SANDISK CORPORATION 2 1 3 1 0 7
SEAGATE TECHNOLOGY, INCORPORATED 2 2 3 0 0 7
CYRIX CORPORATION 6 0 0 0 0 6
DENSO CORPORATION 0 0 0 2 4 6
ENHANCED MEMORY SYSTEMS, INC. 0 3 0 2 1 6
MAXTOR CORPORATION 0 0 0 0 6 6
NOVELL, INC. 0 4 1 0 1 6
VIA-CYRIX, INC. 0 0 2 2 2 6
3WARE, INC. 0 0 1 0 4 5
ADVANCED RISC MACHINES LIMITED 4 1 0 0 0 5
AST RESEARCH, INC. 4 1 0 0 0 5
AVID TECHNOLOGY, INC. 0 0 2 0 3 5
BROTHER KOGYO KABUSHIKI KAISHA 0 0 1 2 2 5
CREATIVE TECHNOLOGY LIMITED 0 1 2 2 0 5
FUJI XEROX CO., LTD. 4 1 0 0 0 5
LG ELECTRONICS INC. 0 0 1 1 3 5
MIPS TECHNOLOGIES INC. 0 0 0 3 2 5
NEC ELECTRONICS INC. 0 1 2 1 1 5
NETWORK ASSOCIATES, INC. 0 1 0 2 2 5
OAK TECHNOLOGIES, INC. 0 1 1 1 2 5
ROBERT BOSCH GMBH 0 0 2 0 3 5
SILICON AQUARIUS, INC. 1 2 0 2 0 5
SILICON INTEGRATED SYSTEMS CORP. 1 1 0 2 1 5
STMICROELECTRONICS, LTD. 0 0 0 3 2 5
SYMBIOS LOGIC INC. 4 1 0 0 0 5
WINBOND ELECTRONICS CORP. 0 2 1 1 1 5
XILINX, INC. 2 1 1 0 1 5


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