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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 455, Telecommunications

( 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. 164 156 202 131 115 768
TELEFONAKTIEBOLAGET LM ERICSSON 62 137 154 131 125 609
ERICSSON, INC. 61 113 149 126 115 564
NEC CORPORATION 93 78 98 114 84 467
LUCENT TECHNOLOGIES INC. 33 59 90 78 76 336
NOKIA MOBILE PHONES LTD. 47 55 66 70 78 316
~Individually Owned Patent 54 58 70 59 66 307
NORTEL NETWORKS CORPORATION 0 16 83 70 39 208
NOKIA TELECOMMUNICATIONS OY 32 47 41 42 40 202
QUALCOMM, INC. 16 40 23 45 65 189
SAMSUNG ELECTRONICS CO., LTD. 8 28 41 55 55 187
SONY CORPORATION 32 36 36 37 22 163
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 23 22 34 37 42 158
U.S. PHILIPS CORPORATION 16 32 42 40 12 142
FUJITSU LIMITED 21 14 32 21 18 106
SIEMENS AKTIENGESELLSCHAFT 7 11 25 30 33 106
AT&T CORP. 14 23 18 17 20 92
NORTHERN TELECOM LIMITED 31 25 19 9 1 85
HUGHES ELECTRONICS CORP. 9 13 13 26 20 81
TOSHIBA CORPORATION 13 26 19 11 12 81
ALCATEL 0 0 15 24 34 73
ATT WIRELESS SERVICES INC 7 20 9 11 24 71
MITSUBISHI DENKI KABUSHIKI KAISHA 10 7 10 20 18 65
HITACHI, LTD 14 6 7 10 11 48
NTT MOBILE COMMUNICATIONS NETWORK INC. 12 14 7 4 6 43
CONEXANT SYSTEMS, INC. 0 0 8 16 15 39
NOKIA NETWORKS OY 0 0 1 9 29 39
TRW INC. 2 7 7 14 9 39
HARRIS CORP. 3 5 11 9 6 34
GLOBALSTAR L.P. 4 6 13 7 1 31
OKI ELECTRIC INDUSTRY CO., LTD. 7 4 5 6 9 31
LG INFORMATION & COMMUNICATIONS, LTD. 0 0 5 11 12 28
ROBERT BOSCH GMBH 3 4 7 7 6 27
CANON KABUSHIKI KAISHA 5 6 6 8 1 26
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 7 8 2 7 26
AVAYA TECHNOLOGY CORP. 0 0 1 14 9 24
CASIO COMPUTER CO. LTD. 4 8 4 4 3 23
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 3 5 7 6 23
TEXAS INSTRUMENTS, INCORPORATED 3 1 2 11 6 23
AIRNET COMMUNICATIONS CORPORATION 2 9 3 4 4 22
BELLSOUTH INTELLECTUAL PROPERTY MANAGMENT CORPORATION 0 1 4 8 9 22
DENSO CORPORATION 0 1 2 5 13 21
MURATA MANUFACTURING CO., LTD. 2 3 6 2 7 20
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 4 6 3 5 20
OKI TELECOM, INC. 3 1 9 5 0 18
SANYO ELECTRIC CO., LTD. 4 2 5 2 5 18
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 3 4 4 2 4 17
LOCKHEED MARTIN CORPORATION 1 6 6 2 2 17
MCI COMMUNICATIONS CORP. 7 3 3 2 2 17
ALCATEL N. V. 4 6 4 1 1 16
BRITISH TELECOMMUNICATION, PLC 0 2 4 5 5 16
METAWAVE COMMUNICATIONS CORPORATION 2 1 4 5 4 16
UNIDEN AMERICA CORPORATION 4 3 3 5 1 16
UNIDEN CORPORATION 4 6 3 3 0 16
HEWLETT-PACKARD COMPANY 3 5 4 3 0 15
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 0 0 15 15
ADC TELECOMMUNICATIONS, INC. 0 3 3 2 6 14
BELLSOUTH CORPORATION 5 2 5 0 2 14
INTEL CORPORATION 0 2 6 0 6 14
TELXON CORPORATION 1 4 3 3 3 14
VERIZON LABORATORIES INC. 0 0 0 4 10 14
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 3 10 13
ALPS ELECTRIC CO., LTD. 0 4 2 5 2 13
AMSC SUBSIDIARY CORPORATION 5 2 4 2 0 13
BELL ATLANTIC NETWORK SERVICES, INC. 4 2 6 1 0 13
FRANCE TELECOM 2 5 3 0 3 13
HIGHWAY MASTER COMMUNICATIONS, INC. 5 5 3 0 0 13
INTERWAVE COMMUNICATIONS INTERNATIONAL LTD. 3 2 2 4 1 12
KYOCERA CORPORATION 1 1 3 4 3 12
NCR CORPORATION 2 3 4 0 3 12
NORTHROP GRUMMAN CORPORATION 1 2 6 2 1 12
OMNIPOINT CORPORATION 1 4 6 1 0 12
PARADYNE CORPORATION 4 4 3 1 0 12
PIONEER ELECTRONIC CORPORATION 4 3 1 2 2 12
ADVANCED MICRO DEVICES, INC. 4 4 3 0 0 11
CELLULAR TECHNICAL SERVICES COMPANY, INC. 1 8 2 0 0 11
GTE MOBILE COMMUNICATIONS SERVICE CORPORATION 3 6 2 0 0 11
INTERDIGITAL TECHNOLOGY CORPORATION 2 1 1 2 5 11
MICRON TECHNOLOGY, INC. 1 0 3 4 3 11
RAYTHEON COMPANY 0 4 3 2 2 11
TELIA AB 2 5 2 1 1 11
TRIMBLE NAVIGATION, LTD. 1 3 4 2 1 11
GTE WIRELESS SERVICE CORPORATION 0 0 3 4 3 10
NOKIA CORPORATION 0 0 0 0 10 10
OPENWAVE SYSTEMS INC. 0 0 0 3 7 10
PHILIPS ELECTRONICS NORTH AMERICA CORP. 1 1 2 4 2 10
QWEST COMMUNICATIONS INTERNATIONAL INC. 0 0 1 4 5 10
SPACE SYSTEMS/LORAL, INC. 3 4 0 0 3 10
WATKINS-JOHNSON COMPANY 5 1 4 0 0 10
WHITAKER CORPORATION 1 1 3 4 1 10
CELLCO PARTNERSHIP 0 0 1 7 1 9
CIRRUS LOGIC, INC. 0 1 1 3 4 9
ICO SERVICES LTD. 0 0 3 4 2 9
ITT MANUFACTURING ENTERPRISES, INC. 0 0 2 4 3 9
LSI LOGIC CORPORATION 1 5 3 0 0 9
METRO ONE TELECOMMUNICATIONS, INC. 2 2 2 1 2 9
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. 0 2 1 3 3 9
TRANSCEPT, INC. 0 0 1 3 5 9
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 1 6 2 9
3COM CORPORATION 1 0 3 3 1 8
AIRCELL, INC. 1 4 1 0 2 8
COMPAQ COMPUTER CORPORATION, INC. 0 1 3 3 1 8
GLENAYRE ELECTRONICS, INC. 2 4 0 1 1 8
PACIFIC COMMUNICATION SCIENCE, INC. 5 1 1 0 1 8
PARKERVISION, INC. 0 0 4 1 3 8
U.S. WEST INC. 0 4 3 1 0 8
UNITED STATES OF AMERICA, NAVY 3 0 4 1 0 8
@TRACK COMMUNICATIONS, INC. 0 0 2 4 1 7
ALCATEL MOBILE PHONES 0 6 0 1 0 7
ALCATEL USA SOURCING, L.P. 0 1 5 1 0 7
ALLGON AB 1 3 1 2 0 7
BOEING COMPANY 1 1 1 2 2 7
CELSAT AMERICA, INC. 2 3 1 0 1 7
CISCO SYSTEMS, INC. 0 0 4 3 0 7
DELCO ELECTRONICS CORPORATION 1 5 1 0 0 7
E. LEAD ELECTRONIC CO., LTD. 0 1 1 2 3 7
KONINKLIJKE PTT NEDERLAND N.V. 2 3 1 1 0 7
STANFORD TELECOMMUNICATIONS, INC. 3 2 0 1 1 7
SYMBOL TECHNOLOGIES, INC. 3 1 0 0 3 7
TELCORDIA TECHNOLOGIES, INC. 0 1 2 2 2 7
AIRTOUCH COMMUNICATIONS, INC. 1 3 2 0 0 6
ALCATEL ESPACE 1 3 2 0 0 6
ARRAYCOMM, INC. 0 0 3 2 1 6
BELL ATLANTIC MOBILE, INC. 0 0 0 2 4 6
DAEWOO TELECOM CO., LTD. 0 5 1 0 0 6
FORD MOTOR COMPANY 3 2 1 0 0 6
FUBA AUTOMOTIVE GMBH & CO KG 1 0 1 2 2 6
GENERAL RESEARCH OF ELECTRONICS, INC. 1 4 1 0 0 6
HUGHES ELECTRONIC DEVICES CORPORATION 6 0 0 0 0 6
LEGERITY, INC. 0 0 0 3 3 6
MANNESMANN VDO AG 0 4 1 0 1 6
MOTIENT SERVICES INC. 0 0 0 4 2 6
SBC TECHNOLOGY RESOURCES, INC. 0 1 2 0 3 6
SHARP LABORATORIES OF AMERICA, INC. 0 0 2 1 3 6
SIEMENS INFORMATION AND COMMUNICATION MOBILE LLC. 0 0 0 1 5 6
SILICON LABORATORIES INC. 0 0 1 5 0 6
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 0 0 3 1 2 6
SUN MICROSYSTEMS, INC. 2 0 0 3 1 6
THOMSON-CSF 2 0 0 2 2 6
ACER PERIPHERALS, INC. 0 1 2 1 1 5
AERIS COMMUNICATIONS, INC. 1 1 2 1 0 5
AGILENT TECHNOLOGIES, INC. 0 0 0 3 2 5
AIRSPAN NETWORKS, INC. 0 0 1 3 1 5
BELL COMMUNICATIONS RESEARCH, INC. 3 2 0 0 0 5
CELLEMETRY LLC 0 1 2 2 0 5
CISCO TECHNOLOGY, INC. 0 2 0 2 1 5
COMSAT CORPORATION 1 1 1 1 1 5
CORSAIR COMMUNICATIONS, INC. 1 2 2 0 0 5
DETEMOBIL DEUTSCHE TELEKOM MOBILNET GMBH 2 0 1 1 1 5
EASTMAN KODAK COMPANY 0 1 1 1 2 5
HITACHI DENSHI KABUSHIKI KAISHA 2 2 0 1 0 5
KOKUSAI ELECTRIC CO., LTD. 4 0 0 1 0 5
MICREL INCORPORATED 0 0 1 3 1 5
NTP INCORPORATED 3 0 1 1 0 5
RADIO FREQUENCY SYSTEMS, INC. 1 2 2 0 0 5
ROCKWELL INTERNATIONAL CORPORATION 3 2 0 0 0 5
SAGEM S.A. 0 0 1 1 3 5
SCIENTIFIC-ATLANTA, INC. 2 0 3 0 0 5
SHARP MICROELECTRONIC TECHNOLOGY, INC. 5 0 0 0 0 5
TELEDESIC LLC 1 1 1 1 1 5
TELEMAC CORPORATION 0 0 1 2 2 5
TELULAR CORPORATION 2 1 1 1 0 5
TOYOTA JIDOSHA K.K. 1 2 0 0 2 5
U.S. WIRELESS CORPORATION 0 0 4 1 0 5
VLSI TECHNOLOGY, INC. 0 1 3 1 0 5
XM SATELLITE RADIO INC. 0 0 0 1 4 5


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