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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 326, Electronic Digital Logic Circuitry

( 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
XILINX, INC. 35 31 49 51 39 205
ALTERA CORPORATION 13 26 44 58 47 188
INTERNATIONAL BUSINESS MACHINES CORPORATION 34 24 43 37 38 176
INTEL CORPORATION 12 13 31 26 46 128
NEC CORPORATION 18 14 29 35 23 119
MICRON TECHNOLOGY, INC. 6 13 12 19 24 74
CYPRESS SEMICONDUCTOR CORP. 11 13 7 16 24 71
HITACHI, LTD 7 5 9 18 26 65
SUN MICROSYSTEMS, INC. 7 12 10 16 20 65
TEXAS INSTRUMENTS, INCORPORATED 15 8 11 16 15 65
TOSHIBA CORPORATION 15 12 9 8 10 54
MITSUBISHI DENKI KABUSHIKI KAISHA 3 12 9 12 15 51
~Individually Owned Patent 11 7 4 8 10 40
ADVANCED MICRO DEVICES, INC. 12 13 7 4 2 38
FUJITSU LIMITED 6 6 8 7 10 37
MOTOROLA, INC. 9 11 6 8 3 37
HEWLETT-PACKARD COMPANY 9 4 7 4 11 35
LUCENT TECHNOLOGIES INC. 4 10 16 3 1 34
SAMSUNG ELECTRONICS CO., LTD. 7 2 7 6 9 31
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 3 1 1 17 6 28
LATTICE SEMICONDUCTOR CORPORATION 1 0 8 8 9 26
QUICKLOGIC CORPORATION 3 7 11 2 2 25
LSI LOGIC CORPORATION 3 10 6 3 2 24
SIEMENS AKTIENGESELLSCHAFT 1 3 12 7 1 24
VANTIS CORPORATION 0 2 8 8 2 20
INFINEON TECHNOLOGIES AG 0 0 1 4 14 19
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 1 1 6 6 16
NATIONAL SEMICONDUCTOR CORPORATION 2 2 5 5 2 16
OKI ELECTRIC INDUSTRY CO., LTD. 2 3 5 3 2 15
ACTEL CORPORATION, INC. 3 4 2 2 3 14
PERICOM SEMICONDUCTOR CORP. 1 4 3 2 4 14
TELEFONAKTIEBOLAGET LM ERICSSON 1 2 4 6 1 14
STMICROELECTRONICS S.R.L. 0 0 4 4 5 13
LG SEMICON CO., LTD. 1 3 8 0 0 12
SGS-THOMSON MICROELECTRONICS S.R.L. 4 3 4 1 0 12
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION 1 0 5 5 1 12
PHILIPS ELECTRONICS NORTH AMERICA CORP. 4 2 1 3 1 11
SEIKO EPSON CORPORATION 1 0 3 4 3 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 1 1 5 4 11
STMICROELECTRONICS S.A. 0 0 3 4 4 11
U.S. PHILIPS CORPORATION 2 1 4 1 3 11
VLSI TECHNOLOGY, INC. 1 5 4 1 0 11
CALIFORNIA MICRO DEVICES CORPORATION 0 1 1 8 0 10
ADAPTEC, INC. 0 2 4 2 1 9
AGILENT TECHNOLOGIES, INC. 0 0 2 2 5 9
ANALOG DEVICES, INC. 1 1 2 4 1 9
THESEUS LOGIC, INC. 2 1 3 3 0 9
VIA TECHNOLOGIES, INC. 0 0 6 1 2 9
INTRINSITY, INC. 0 0 3 3 2 8
ROHM COMPANY LIMITED 0 1 3 2 2 8
SONY CORPORATION 0 3 0 1 4 8
BROADCOM CORPORATION 0 0 0 1 6 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 1 1 1 1 7
NORTEL NETWORKS CORPORATION 0 0 2 2 3 7
BTR, INC. 0 0 1 2 3 6
COMPAQ COMPUTER CORPORATION, INC. 0 2 2 1 1 6
KAWASAKI STEEL CORPORATION 1 1 2 1 1 6
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 6 6
NIPPON TELEGRAPH & TELEPHONE CORP. 2 0 2 2 0 6
RAMBUS, INC. 0 1 0 4 1 6
S3, INCORPORATED 0 3 0 3 0 6
TRW INC. 0 1 1 2 2 6
CIRRUS LOGIC, INC. 2 1 1 1 0 5
FAIRCHILD SEMICONDUCTOR CORPORATION 0 0 1 4 0 5
HONEYWELL INTERNATIONAL INC. 0 0 0 2 3 5
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 0 0 0 1 4 5
STMICROELECTRONICS, LTD. 0 1 1 0 3 5
TRANSLOGIC TECHNOLOGY, INC. 0 2 0 1 2 5
UNITED MICROELECTRONICS CORPORATION 1 2 0 2 0 5
WINBOND ELECTRONICS CORP. 0 1 2 1 1 5


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