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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 375, Pulse or Digital Communications

( 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
MOTOROLA, INC. 108 62 65 54 43 332
SONY CORPORATION 39 53 71 68 72 303
NEC CORPORATION 66 49 45 60 55 275
LUCENT TECHNOLOGIES INC. 45 40 55 36 44 220
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 31 31 48 50 53 213
SAMSUNG ELECTRONICS CO., LTD. 35 33 33 39 30 170
~Individually Owned Patent 33 39 33 21 27 153
INTERNATIONAL BUSINESS MACHINES CORPORATION 31 27 31 30 23 142
FUJITSU LIMITED 25 32 30 30 24 141
U.S. PHILIPS CORPORATION 31 39 24 24 11 129
TEXAS INSTRUMENTS, INCORPORATED 8 18 26 30 40 122
ERICSSON, INC. 21 21 27 19 30 118
TELEFONAKTIEBOLAGET LM ERICSSON 10 20 21 29 28 108
MITSUBISHI DENKI KABUSHIKI KAISHA 20 16 19 18 26 99
LSI LOGIC CORPORATION 14 19 25 19 12 89
QUALCOMM, INC. 16 11 10 21 31 89
TOSHIBA CORPORATION 16 19 17 19 16 87
INTEL CORPORATION 9 12 16 18 24 79
DAEWOO ELECTRONICS COMPANY, LTD. 20 20 20 11 4 75
NORTEL NETWORKS CORPORATION 0 3 16 25 16 60
CANON KABUSHIKI KAISHA 12 12 14 10 10 58
HITACHI, LTD 8 11 15 10 14 58
CONEXANT SYSTEMS, INC. 0 3 12 19 19 53
NOKIA TELECOMMUNICATIONS OY 11 12 9 4 13 49
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 7 13 10 10 9 49
OKI ELECTRIC INDUSTRY CO., LTD. 6 8 15 8 11 48
INTERDIGITAL TECHNOLOGY CORPORATION 7 11 6 9 13 46
HUGHES ELECTRONICS CORP. 3 13 9 7 13 45
AT&T CORP. 0 3 17 9 15 44
SIEMENS AKTIENGESELLSCHAFT 9 6 10 6 13 44
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 6 8 9 13 7 43
LG ELECTRONICS INC. 4 2 3 17 17 43
SARNOFF CORPORATION & CO., LTD. 0 3 17 12 7 39
3COM CORPORATION 2 8 7 11 10 38
NOKIA MOBILE PHONES LTD. 8 7 12 7 4 38
VICTOR COMPANY OF JAPAN, LIMITED 6 1 12 7 12 38
NATIONAL SEMICONDUCTOR CORPORATION 6 11 7 5 8 37
ADVANCED MICRO DEVICES, INC. 2 11 13 6 4 36
BROADCOM CORPORATION 1 0 1 19 14 35
HEWLETT-PACKARD COMPANY 6 11 4 4 9 34
HARRIS CORP. 8 9 3 2 11 33
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 33 33
GOLDEN BRIDGE TECHNOLOGY, INC. 5 8 6 8 5 32
PHILIPS ELECTRONICS NORTH AMERICA CORP. 6 5 10 8 3 32
ALCATEL 0 0 7 16 8 31
PARADYNE CORPORATION 8 4 10 4 4 30
THOMSON LICENSING S.A. 0 0 5 11 14 30
NORTHERN TELECOM LIMITED 17 7 2 2 0 28
TEKTRONIX INC. 5 6 2 7 8 28
ATT WIRELESS SERVICES INC 3 8 3 3 10 27
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 10 16 26
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 4 7 3 5 6 25
OMNIPOINT CORPORATION 15 5 4 0 1 25
SGS-THOMSON MICROELECTRONICS S.A. 9 6 5 4 1 25
TRIMBLE NAVIGATION, LTD. 3 8 7 2 5 25
GENERAL ELECTRIC COMPANY 10 4 6 2 2 24
NTT MOBILE COMMUNICATIONS NETWORK INC. 11 3 5 2 2 23
TRW INC. 1 6 4 3 8 22
CIRRUS LOGIC, INC. 6 3 5 3 2 19
CISCO TECHNOLOGY, INC. 3 3 2 4 7 19
INFINEON TECHNOLOGIES AG 0 0 0 7 12 19
SICOM, INC. 1 6 7 2 3 19
THOMSON CONSUMER ELECTRONICS, INC. 7 9 2 1 0 19
RAYTHEON COMPANY 1 7 5 3 2 18
ROBERT BOSCH GMBH 3 4 5 5 1 18
MICROSOFT CORPORATION 1 3 3 4 6 17
ROCKWELL INTERNATIONAL CORPORATION 12 4 1 0 0 17
SUN MICROSYSTEMS, INC. 2 6 5 1 3 17
UNITED STATES OF AMERICA, NAVY 2 4 3 5 3 17
GENERAL INSTRUMENT CORPORATION 3 1 2 4 6 16
ITT MANUFACTURING ENTERPRISES, INC. 0 3 6 2 5 16
SANYO ELECTRIC CO., LTD. 7 3 5 1 0 16
ZENITH ELECTRONICS CORPORATION 6 4 0 3 3 16
HITACHI AMERICA, LTD. 1 3 8 1 2 15
YOZAN, INC. 2 3 4 5 0 14
ADVANTEST CORP. 4 5 1 2 1 13
AEROSPACE CORPORATION 0 1 8 0 4 13
ANALOG DEVICES, INC. 4 2 5 1 1 13
COMPAQ COMPUTER CORPORATION, INC. 1 0 2 7 3 13
DSP GROUP, INC. 0 4 4 5 0 13
INTEGRATED TELECOM EXPRESS, INC. 0 0 7 3 3 13
VLSI TECHNOLOGY, INC. 3 2 4 2 2 13
WINBOND ELECTRONICS CORP. 2 3 4 2 2 13
ALCATEL N. V. 7 3 2 0 0 12
AMATI COMMUNICATIONS CORP. 2 4 4 1 1 12
C-CUBE MICROSYSTEMS, INC. 4 4 4 0 0 12
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 3 1 4 3 12
INTERMEC IP CORP. 0 5 4 2 1 12
LOCKHEED MARTIN CORPORATION 1 4 2 1 4 12
NORTHROP GRUMMAN CORPORATION 2 3 2 3 2 12
PC-TEL, INC. 0 4 0 7 1 12
STANFORD TELECOMMUNICATIONS, INC. 2 4 3 0 3 12
USA DIGITAL RADIO PARTNERS, L.P. 5 5 0 2 0 12
BRITISH TELECOMMUNICATION, PLC 4 5 1 1 0 11
LEGERITY, INC. 0 0 0 3 8 11
LG SEMICON CO., LTD. 3 5 0 2 1 11
STMICROELECTRONICS, INC. 0 1 1 4 5 11
THOMSON MULTIMEDIA S.A. 6 3 2 0 0 11
GLENAYRE ELECTRONICS, INC. 3 2 3 2 0 10
KOKUSAI DENSHIN DENWA KABUSHIKI KAISHA 1 1 6 1 1 10
SCIENTIFIC-ATLANTA, INC. 2 4 2 2 0 10
SHARP LABORATORIES OF AMERICA, INC. 0 2 1 4 3 10
SILICON LABORATORIES INC. 0 0 1 3 6 10
STMICROELECTRONICS S.A. 0 1 1 2 6 10
YAMAHA CORPORATION 4 2 2 1 1 10
ALCATEL TELSPACE 2 4 1 2 0 9
DEUTSCHE THOMSON-BRANDT GMBH 1 2 3 3 0 9
GENERAL DATACOMM, INC. 5 3 1 0 0 9
HITACHI DENSHI KABUSHIKI KAISHA 1 1 1 5 1 9
LINEX TECHNOLOGY, INC. 0 0 1 3 5 9
NIPPON TELEGRAPH & TELEPHONE CORP. 2 1 1 3 2 9
ROKE MANOR RESEARCH LIMITED 5 1 2 1 0 9
STMICROELECTRONICS S.R.L. 0 1 0 3 5 9
THOMSON-CSF 3 4 0 1 1 9
TIME DOMAIN CORPORATION 2 3 1 1 2 9
ADTRAN 2 2 0 3 1 8
AGILENT TECHNOLOGIES, INC. 0 0 2 2 4 8
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 2 1 0 3 8
GENERAL RESEARCH OF ELECTRONICS, INC. 1 2 3 1 1 8
L-3 COMMUNICATIONS CORPORATION 1 2 1 2 2 8
LEVEL ONE COMMUNICATIONS, INC. 0 1 3 2 2 8
MICRON TECHNOLOGY, INC. 1 1 0 2 4 8
PIONEER ELECTRONIC CORPORATION 6 0 2 0 0 8
RICOH COMPANY, LTD. 0 1 2 1 4 8
STMICROELECTRONICS N.V. 0 1 0 1 6 8
AIRNET COMMUNICATIONS CORPORATION 2 3 0 0 2 7
BROTHER KOGYO KABUSHIKI KAISHA 0 1 3 3 0 7
D.S.P.C. TECHNOLOGIES LTD. 0 0 2 4 1 7
FRANCE TELECOM 2 3 2 0 0 7
IBIQUITY DIGITAL CORPORATION 0 0 0 2 5 7
KOKUSAI ELECTRIC CO., LTD. 2 2 1 2 0 7
NOKIA NETWORKS OY 0 0 0 3 4 7
NTP INCORPORATED 5 0 0 2 0 7
PMC-SIERRA LTD. 0 2 0 2 3 7
RAMBUS, INC. 1 1 1 1 3 7
RESEARCH IN MOTION LIMITED 2 3 1 0 1 7
SANCONIX, INC. 2 3 2 0 0 7
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. 0 0 0 5 2 7
SIRF TECHNOLOGY, INC. 0 1 0 3 3 7
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 1 1 1 2 7
ALCATEL USA SOURCING, L.P. 0 2 3 0 1 6
CISCO SYSTEMS, INC. 0 0 2 1 3 6
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 0 0 0 6 6
CYPRESS SEMICONDUCTOR CORP. 2 0 1 0 3 6
GENERAL DYNAMICS GOVERNMENT SYSTEMS CORPORATION 0 0 2 4 0 6
GLOBESPAN TECHNOLOGIES, INC. 2 3 0 1 0 6
MURATA MANUFACTURING CO., LTD. 0 3 1 1 1 6
RCA THOMSON LICENSING CORP. 5 1 0 0 0 6
SEIKO EPSON CORPORATION 1 3 1 1 0 6
SGS-THOMSON MICROELECTRONICS S.R.L. 2 2 2 0 0 6
SIGMATEL INC. 0 1 3 2 0 6
SILICON IMAGE, INC. 1 2 1 1 1 6
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 2 0 1 2 1 6
UNISYS CORPORATION 4 1 0 0 1 6
UNITED MICROELECTRONICS CORPORATION 1 2 1 1 1 6
YAZAKI CORP. 1 0 4 0 1 6
ADAPTEC, INC. 0 1 0 3 1 5
ADC TELECOMMUNICATIONS, INC. 1 0 0 2 2 5
ANRITSU CORPORATION 4 0 1 0 0 5
AWARE, INC. 2 0 0 1 2 5
CELLNET DATA SYSTEMS, INC. 0 0 1 2 2 5
COMSAT CORPORATION 0 1 3 1 0 5
CREDENCE SYSTEMS CORPORATION 3 0 1 1 0 5
CSELT - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A. 1 1 2 1 0 5
DELCO ELECTRONICS CORPORATION 2 2 1 0 0 5
DISCOVISION ASSOCIATES 3 0 1 0 1 5
ECHELON CORPORATION 1 1 1 1 1 5
FUTABA DENSHI KOGYO KABUSHIKI KAISHA 3 0 2 0 0 5
GOLDSTAR COMPANY, LTD. 3 1 1 0 0 5
HUGHES ELECTRONIC DEVICES CORPORATION 5 0 0 0 0 5
IOSPAN WIRELESS, INC. 0 0 0 1 4 5
LEICA GEOSYSTEMS INC. 0 1 3 0 1 5
LEXMARK INTERNATIONAL, INC. 0 2 1 1 1 5
LG INFORMATION & COMMUNICATIONS, LTD. 0 0 1 2 2 5
MITSUBISHI ELECTRIC INFORMATION TECHNOLOGY CENTER AMERICA, INC. (ITA) 1 2 2 0 0 5
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. 0 0 0 3 2 5
NIPPONDENSO CO., LTD. 3 2 0 0 0 5
NORAND CORPORATION 2 3 0 0 0 5
ROHM COMPANY LIMITED 3 1 0 1 0 5
SILICON GRAPHICS, INC. 3 0 0 1 1 5
SOLANA TECHNOLOGY DEVELOPMENT CORPORATION 1 3 1 0 0 5
TIERNAN COMMUNICATIONS, INC. 0 1 3 1 0 5
TUT SYSTEMS, INC. 1 2 0 2 0 5
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 0 4 1 5


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Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports