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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
MOTOROLA, INC. 131 115 93 125 107 571
TELEFONAKTIEBOLAGET LM ERICSSON 131 125 124 92 86 558
NEC CORPORATION 112 84 96 81 101 474
~Individually Owned Patent 59 68 76 95 82 380
ERICSSON, INC. 126 115 73 35 23 372
LUCENT TECHNOLOGIES INC. 78 76 82 62 69 367
QUALCOMM, INC. 45 65 51 92 65 318
NOKIA MOBILE PHONES LTD. 70 78 51 41 47 287
SAMSUNG ELECTRONICS CO., LTD. 55 55 50 66 60 286
NOKIA CORPORATION 0 10 43 110 98 261
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 37 42 43 54 61 237
NORTEL NETWORKS LIMITED 70 40 45 42 25 222
SIEMENS AKTIENGESELLSCHAFT 30 33 25 23 31 142
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 15 26 54 46 141
SONY CORPORATION 38 22 28 21 32 141
FUJITSU LIMITED 21 18 27 34 28 128
ALCATEL 24 34 17 24 13 112
MITSUBISHI DENKI KABUSHIKI KAISHA 19 18 15 21 22 95
NOKIA NETWORKS OY 8 29 13 31 14 95
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 7 23 21 40 93
AT&T CORP. 17 20 26 17 11 91
NOKIA TELECOMMUNICATIONS OY 42 40 7 1 0 90
TOSHIBA CORPORATION 11 12 9 23 29 84
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION 8 9 7 32 22 78
ATT WIRELESS SERVICES INC 11 24 18 17 4 74
HUGHES ELECTRONICS CORP. 26 20 9 12 5 72
HITACHI, LTD 10 12 11 19 19 71
INTERDIGITAL TECHNOLOGY CORPORATION 2 5 12 16 22 57
BROADCOM CORPORATION 1 2 6 13 34 56
SKYWORKS SOLUTIONS, INC. 0 4 16 25 11 56
U.S. PHILIPS CORPORATION 40 12 1 1 0 54
DENSO CORPORATION 5 13 7 12 15 52
TEXAS INSTRUMENTS, INCORPORATED 11 6 5 10 16 48
NTT DOCOMO, INC. 0 1 2 9 35 47
INTEL CORPORATION 0 6 7 19 14 46
AVAYA TECHNOLOGY CORP. 14 9 9 3 7 42
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 7 6 14 15 0 42
CONEXANT SYSTEMS, INC. 16 15 7 0 3 41
LG INFORMATION & COMMUNICATIONS, LTD. 11 12 4 6 4 37
SANYO ELECTRIC CO., LTD. 2 5 5 11 13 36
CISCO TECHNOLOGY, INC. 2 1 3 8 21 35
NORTHROP GRUMMAN CORPORATION 2 1 8 16 8 35
CANON KABUSHIKI KAISHA 8 1 8 6 11 34
ROBERT BOSCH GMBH 7 6 7 4 9 33
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 3 5 5 8 12 33
AGERE SYSTEMS INC. 0 3 10 10 9 32
LG ELECTRONICS INC. 0 0 3 13 15 31
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 1 11 18 30
TRW INC. 14 9 5 0 1 29
HARRIS CORP. 9 6 2 8 3 28
INFINEON TECHNOLOGIES AG 0 2 5 8 13 28
OPENWAVE SYSTEMS INC. 3 7 7 3 8 28
VERIZON LABORATORIES INC. 4 10 9 2 2 27
BOEING COMPANY 2 2 3 10 8 25
MICROSOFT CORPORATION 2 1 0 6 16 25
MURATA MANUFACTURING CO., LTD. 2 7 4 6 6 25
QWEST COMMUNICATIONS INTERNATIONAL INC. 4 5 3 8 5 25
SPRINT SPECTRUM L.P. 1 0 3 7 13 24
ARRAYCOMM, INC. 2 1 6 3 11 23
THOMSON LICENSING S.A. 1 2 7 8 5 23
BRITISH TELECOMMUNICATION, PLC 5 5 6 2 3 21
ALPS ELECTRIC CO., LTD. 5 2 4 3 6 20
VISTEON GLOBAL TECHNOLOGIES, INC. 6 2 1 1 10 20
THE DIRECTV GROUP, INC. 0 0 0 8 11 19
AGILENT TECHNOLOGIES, INC. 3 2 1 4 8 18
HITACHI KOKUSAI ELECTRIC INC. 0 1 1 1 15 18
OKI ELECTRIC INDUSTRY CO., LTD. 6 9 0 2 1 18
PARKERVISION, INC. 1 3 3 7 4 18
GLOBALSTAR L.P. 7 1 5 4 0 17
MICRON TECHNOLOGY, INC. 4 3 6 3 1 17
SAGEM S.A. 1 3 3 8 2 17
SYMBOL TECHNOLOGIES, INC. 0 3 2 4 8 17
SONY INTERNATIONAL (EUROPE) GMBH 2 2 6 4 2 16
3COM CORPORATION 3 1 5 5 1 15
ADC TELECOMMUNICATIONS, INC. 2 6 2 2 3 15
CELLCO PARTNERSHIP 7 1 2 3 2 15
GTE WIRELESS SERVICE CORPORATION 4 3 6 1 1 15
INTERWAVE COMMUNICATIONS INTERNATIONAL LTD. 4 1 5 3 2 15
SPRINT COMMUNICATIONS COMPANY L.P. 0 2 4 6 3 15
UT STARCOM, INC. 2 0 0 4 9 15
AIRNET COMMUNICATIONS CORPORATION 4 4 1 3 2 14
NTT MOBILE COMMUNICATIONS NETWORK INC. 4 6 3 0 1 14
RF MICRO DEVICES, INC. 0 0 3 8 3 14
AGERE SYSTEMS GUARDIAN CORP. 3 10 0 0 0 13
ICO SERVICES LTD. 4 2 1 3 3 13
E. LEAD ELECTRONIC CO., LTD. 2 3 0 4 3 12
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 2 4 2 1 3 12
FREESCALE SEMICONDUCTOR, INC. 0 0 0 2 10 12
KYOCERA CORPORATION 4 3 2 2 1 12
SILICON LABORATORIES INC. 5 0 2 3 2 12
XM SATELLITE RADIO INC. 1 4 3 3 1 12
DELPHI TECHNOLOGIES, INC. 0 3 1 2 5 11
ITT MANUFACTURING ENTERPRISES, INC. 4 3 2 1 1 11
LEGERITY, INC. 3 3 0 4 1 11
LOCKHEED MARTIN CORPORATION 2 2 4 1 2 11
METAWAVE COMMUNICATIONS CORPORATION 5 4 2 0 0 11
MOBILE SATELLITE VENTURES LP 0 1 3 2 5 11
RENESAS TECHNOLOGY CORPORATION 0 0 0 7 4 11
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. 3 3 3 2 0 11
TELCORDIA TECHNOLOGIES, INC. 2 2 1 5 1 11
ANDREW CORPORATION 0 1 1 6 2 10
CASIO COMPUTER CO. LTD. 4 3 2 1 0 10
CIRRUS LOGIC, INC. 3 4 1 0 2 10
LEAP WIRELESS INTERNATIONAL, INC. 0 3 2 3 2 10
METRO ONE TELECOMMUNICATIONS, INC. 1 2 1 5 1 10
NORTHERN TELECOM LIMITED 9 1 0 0 0 10
PIONEER CORPORATION 0 0 1 3 6 10
SBC TECHNOLOGY RESOURCES, INC. 0 3 1 3 3 10
SHARP LABORATORIES OF AMERICA, INC. 1 3 3 2 1 10
SIEMENS INFORMATION & COMMUNICATIONS MOBILE, LLC 1 5 1 3 0 10
SONERA OY 0 0 5 2 3 10
SUN MICROSYSTEMS, INC. 3 1 0 2 4 10
TELECOMMUNICATION SYSTEMS, INC. 0 1 2 4 3 10
UNIDEN AMERICA CORPORATION 5 1 0 2 2 10
BELL ATLANTIC MOBILE, INC. 2 4 3 0 0 9
COGNIO, INC. 0 0 1 3 5 9
GENERAL MOTORS CORPORATION 0 0 0 2 7 9
INVENTEC APPLIANCES CORP. 0 0 0 5 4 9
KYOCERA WIRELESS CORP. 0 0 0 2 7 9
ORANGE PERSONAL COMMUNICATIONS SERVICE LIMITED 1 1 1 1 5 9
SK TELECOM CO., LTD 1 0 1 3 4 9
TRANSCEPT, INC. 3 5 1 0 0 9
WILDSEED, LIMITED 0 1 0 1 7 9
GENERAL DYNAMICS DECISION SYSTEMS, INC. 0 0 4 4 0 8
KATHREIN-WERKE KG 0 0 0 4 4 8
NATIONAL SEMICONDUCTOR CORPORATION 0 0 0 3 5 8
SOCIETE FRANCAISE DU RADIOTELEPHONE 0 1 1 2 4 8
STMICROELECTRONICS S.A. 0 2 2 2 2 8
TELCONTAR 0 0 5 2 1 8
TELEMAC CORPORATION 2 2 2 2 0 8
TELIA AB 1 1 3 1 2 8
WINPHORIA NETWORKS, INC. 0 0 4 3 1 8
ANALOG DEVICES, INC. 1 0 1 2 3 7
BEN Q CORPORATION 0 1 0 3 3 7
FRANCE TELECOM 0 3 1 3 0 7
FUBA AUTOMOTIVE GMBH & CO KG 2 2 2 0 1 7
GATEWAY 2000, INC. 2 1 0 3 1 7
HONEYWELL INTERNATIONAL INC. 1 1 2 3 0 7
MICREL INCORPORATED 3 1 2 1 0 7
NCR CORPORATION 0 3 0 1 3 7
PALMSOURCE INC. 0 0 0 3 4 7
ROCKWELL COLLINS, INC. 1 2 2 2 0 7
T. MOBILE DEUTSCHLAND GMBH 0 1 0 3 3 7
TEKELEC 0 1 1 3 2 7
TEKTRONIX INC. 0 1 2 2 2 7
TELXON CORPORATION 3 3 1 0 0 7
TRIMBLE NAVIGATION, LTD. 2 1 3 1 0 7
VESUVIUS, INC. 0 0 1 5 1 7
AIRCELL, INC. 0 2 1 2 1 6
AIRSPAN NETWORKS, INC. 3 1 0 2 0 6
ASUSTEK COMPUTER INC. 0 0 0 3 3 6
IBIQUITY DIGITAL CORPORATION 2 0 1 0 3 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 2 1 1 2 6
INTERNATIONAL MOBILE SATELLITE ORGANIZATION 3 0 3 0 0 6
INTERSIL AMERICAS INC. 0 1 1 3 1 6
IPR LICENSING, INC. 0 0 0 2 4 6
MOTIENT SERVICES INC. 4 2 0 0 0 6
NIPPON TELEGRAPH & TELEPHONE CORP. 2 0 1 1 2 6
NORTEL MATRA CELLULAR 0 2 1 2 1 6
NOVATEL WIRELESS, INC. 0 0 1 3 2 6
PHILIPS ELECTRONICS NORTH AMERICA CORP. 4 2 0 0 0 6
PIONEER ELECTRONIC CORPORATION 2 2 2 0 0 6
QUANTA COMPUTER INC. 0 0 0 0 6 6
ROHM COMPANY LIMITED 1 1 2 0 2 6
SBC PROPERTIES, L.P. 0 0 2 3 1 6
SCOREBOARD, INC. 0 4 1 1 0 6
SEIKO EPSON CORPORATION 2 0 0 1 3 6
SIERRA WIRELESS, INC. 1 0 2 0 3 6
SIRF TECHNOLOGY, INC. 0 1 2 1 2 6
SNAPTRACK, INC. 2 1 1 2 0 6
STANFORD UNIVERSITY 1 2 1 0 2 6
SWISSCOM MOBILE AG 0 0 0 1 5 6
TELULAR CORPORATION 1 0 1 4 0 6
THOMSON-CSF 2 2 1 1 0 6
TRUEPOSITION, INC. 2 1 1 1 1 6
WHITAKER CORPORATION 4 1 1 0 0 6
@TRACK COMMUNICATIONS, INC. 4 1 0 0 0 5
ADTRAN 1 0 0 1 3 5
ALCATEL CANADA, INC. 1 1 1 1 1 5
CELLEMETRY LLC 2 0 0 1 2 5
CELLETRA LTD 0 0 2 1 2 5
CISCO SYSTEMS, INC. 3 0 1 1 0 5
COMPAQ COMPUTER CORPORATION, INC. 3 1 1 0 0 5
DETEMOBIL DEUTSCHE TELEKOM MOBILNET GMBH 1 1 1 1 1 5
EASTMAN KODAK COMPANY 1 2 0 2 0 5
FLARION TECHNOLOGIES, INC. 0 0 0 2 3 5
GENERAL ELECTRIC COMPANY 1 1 0 2 1 5
GENERAL INSTRUMENT CORPORATION 0 1 1 2 1 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 0 1 2 2 5
MANNESMANN AG 1 0 1 1 2 5
MAXIM INTEGRATED PRODUCTS, INC. 1 1 1 2 0 5
MCI COMMUNICATIONS CORP. 2 2 0 0 1 5
MICROTUNE (TEXAS), L.P. 0 0 1 1 3 5
MOBIGENCE, INC. 0 0 2 1 2 5
NOKIA INC. 0 1 0 2 2 5
OKI TELECOM, INC. 5 0 0 0 0 5
PALMONE, INC. 0 0 0 2 3 5
SPACE SYSTEMS/LORAL, INC. 0 3 0 0 2 5
TELEPHIA, INC. 0 0 1 3 1 5
TIME DOMAIN CORPORATION 0 1 2 0 2 5
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 0 3 0 5
YAMAHA CORPORATION 0 0 2 0 3 5
YOUNGBO ENGINEERING, INC. 0 1 2 1 1 5
ZARLINK SEMICONDUCTOR LIMITED 0 0 0 0 5 5


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Electronic Information Products Division - PTMB
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