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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 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 2001 2002 2003 2004 2005 Total
SONY CORPORATION 68 72 66 42 40 288
NEC CORPORATION 60 55 69 52 46 282
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 51 54 48 62 52 267
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 33 60 72 63 228
MOTOROLA, INC. 54 43 44 43 44 228
SAMSUNG ELECTRONICS CO., LTD. 39 30 38 47 39 193
TEXAS INSTRUMENTS, INCORPORATED 30 40 32 33 42 177
LUCENT TECHNOLOGIES INC. 36 44 32 28 26 166
TELEFONAKTIEBOLAGET LM ERICSSON 29 28 33 27 46 163
QUALCOMM, INC. 21 31 29 53 28 162
INTEL CORPORATION 19 24 34 36 39 152
FUJITSU LIMITED 30 24 28 33 27 142
~Individually Owned Patent 21 27 30 31 30 139
INTERNATIONAL BUSINESS MACHINES CORPORATION 31 23 21 24 27 126
ERICSSON, INC. 19 30 30 19 13 111
INTERDIGITAL TECHNOLOGY CORPORATION 9 13 33 31 22 108
MITSUBISHI DENKI KABUSHIKI KAISHA 18 26 26 14 23 107
BROADCOM CORPORATION 19 14 10 31 32 106
NORTEL NETWORKS LIMITED 25 16 22 22 14 99
LG ELECTRONICS INC. 17 17 9 16 20 79
AGERE SYSTEMS INC. 0 3 25 29 20 77
THOMSON LICENSING S.A. 11 14 21 15 16 77
INFINEON TECHNOLOGIES AG 7 12 13 19 22 73
NOKIA CORPORATION 0 1 18 37 16 72
TOSHIBA CORPORATION 19 16 8 17 12 72
CONEXANT SYSTEMS, INC. 19 20 17 8 5 69
LSI LOGIC CORPORATION 19 12 14 9 6 60
CANON KABUSHIKI KAISHA 10 10 15 13 11 59
VICTOR COMPANY OF JAPAN, LIMITED 7 12 13 16 11 59
AT&T CORP. 9 15 10 9 14 57
3COM CORPORATION 12 11 11 16 6 56
HITACHI, LTD 10 14 12 11 9 56
SIEMENS AKTIENGESELLSCHAFT 6 13 19 7 8 53
ALCATEL 16 8 7 10 9 50
CISCO TECHNOLOGY, INC. 4 7 13 13 13 50
NOKIA MOBILE PHONES LTD. 7 4 15 13 11 50
OKI ELECTRIC INDUSTRY CO., LTD. 8 10 10 7 8 43
SARNOFF CORPORATION & CO., LTD. 12 8 6 9 6 41
U.S. PHILIPS CORPORATION 24 11 0 0 0 35
HUGHES ELECTRONICS CORP. 7 13 4 6 4 34
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 10 9 2 9 4 34
MICROSOFT CORPORATION 4 6 3 9 10 32
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. 3 2 12 5 9 31
GENERAL INSTRUMENT CORPORATION 4 6 6 7 7 30
NORTHROP GRUMMAN CORPORATION 3 2 7 12 6 30
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 5 6 2 6 10 29
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 13 7 4 3 2 29
HARRIS CORP. 2 11 8 5 2 28
NATIONAL SEMICONDUCTOR CORPORATION 5 8 3 7 5 28
NOKIA TELECOMMUNICATIONS OY 4 13 8 2 1 28
ADVANCED MICRO DEVICES, INC. 6 4 4 5 8 27
AGERE SYSTEMS GUARDIAN CORP. 10 16 1 0 0 27
GOLDEN BRIDGE TECHNOLOGY, INC. 8 5 6 5 3 27
NEC ELECTRONICS CORPORATION 0 0 8 11 7 26
TIME DOMAIN CORPORATION 1 2 8 7 8 26
NOKIA NETWORKS OY 3 4 8 8 2 25
ZENITH ELECTRONICS CORPORATION 3 3 10 4 5 25
ATT WIRELESS SERVICES INC 3 10 5 5 1 24
CYPRESS SEMICONDUCTOR CORP. 0 3 6 6 9 24
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 4 12 8 24
STMICROELECTRONICS S.R.L. 3 5 5 3 7 23
TEKTRONIX INC. 7 8 4 4 0 23
AGILENT TECHNOLOGIES, INC. 2 4 5 6 5 22
KABUSHIKI KAISHA KENWOOD 1 0 6 13 2 22
IBIQUITY DIGITAL CORPORATION 2 5 9 2 3 21
PC-TEL, INC. 7 1 6 4 3 21
SILICON LABORATORIES INC. 3 6 5 5 2 21
STMICROELECTRONICS S.A. 2 7 4 6 2 21
SHARP LABORATORIES OF AMERICA, INC. 4 3 2 4 7 20
FREESCALE SEMICONDUCTOR, INC. 0 0 0 4 15 19
LEGERITY, INC. 3 8 5 3 0 19
LOCKHEED MARTIN CORPORATION 1 4 8 5 1 19
PARADYNE CORPORATION 4 4 4 2 5 19
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 4 3 4 5 2 18
STMICROELECTRONICS, INC. 4 5 3 2 4 18
SUN MICROSYSTEMS, INC. 1 3 5 5 4 18
UNITED STATES OF AMERICA, NAVY 5 3 6 2 2 18
AWARE, INC. 1 2 5 6 3 17
ROBERT BOSCH GMBH 5 1 3 4 4 17
SIRF TECHNOLOGY, INC. 3 3 3 4 4 17
SKYWORKS SOLUTIONS, INC. 0 0 3 10 4 17
GLOBESPAN VIRATA, INC. 0 2 6 4 4 16
LINEX TECHNOLOGIES, INC. 3 5 4 3 1 16
RAMBUS, INC. 1 3 4 4 4 16
ROCKWELL COLLINS, INC. 2 2 2 5 5 16
DAEWOO ELECTRONICS COMPANY, LTD. 11 4 0 0 0 15
ITT MANUFACTURING ENTERPRISES, INC. 2 5 1 1 6 15
MICRON TECHNOLOGY, INC. 2 4 0 1 8 15
RENESAS TECHNOLOGY CORPORATION 0 0 0 10 5 15
TRW INC. 3 8 2 2 0 15
ADTRAN 3 1 3 3 4 14
ANALOG DEVICES, INC. 1 1 7 2 3 14
HEWLETT-PACKARD COMPANY 4 9 1 0 0 14
TRIMBLE NAVIGATION, LTD. 2 5 2 1 4 14
GENERAL ELECTRIC COMPANY 3 3 4 2 1 13
PANASONIC COMMUNICATIONS CO., LTD. 0 0 0 4 9 13
SONY INTERNATIONAL (EUROPE) GMBH 1 2 3 4 3 13
STMICROELECTRONICS N.V. 1 6 1 3 2 13
ADVANTEST CORP. 2 1 3 4 2 12
COMPAQ COMPUTER CORPORATION, INC. 7 3 2 0 0 12
PIONEER CORPORATION 0 1 3 5 3 12
RAYTHEON COMPANY 3 2 3 0 4 12
CIRRUS LOGIC, INC. 3 2 1 0 5 11
HITACHI AMERICA, LTD. 1 2 7 1 0 11
INTERSIL AMERICAS INC. 1 1 6 2 1 11
LG INFORMATION & COMMUNICATIONS, LTD. 2 2 4 0 3 11
PHILIPS ELECTRONICS NORTH AMERICA CORP. 8 3 0 0 0 11
PMC-SIERRA LTD. 2 3 1 3 2 11
SANYO ELECTRIC CO., LTD. 1 0 4 3 3 11
XILINX, INC. 1 0 3 3 4 11
AEROSPACE CORPORATION 0 4 1 3 2 10
ATI TECHNOLOGIES INC. 2 1 2 2 3 10
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION, INC. 0 1 0 3 6 10
COMMISSARIAT A L'ENERGIE ATOMIQUE 0 3 1 3 3 10
HITACHI KOKUSAI ELECTRIC INC. 0 0 0 1 9 10
KOKUSAI ELECTRIC CO., LTD. 2 0 4 4 0 10
L-3 COMMUNICATIONS CORPORATION 2 2 1 2 3 10
LEVEL ONE COMMUNICATIONS, INC. 2 2 6 0 0 10
NIPPON TELEGRAPH & TELEPHONE CORP. 3 2 3 1 1 10
NTT MOBILE COMMUNICATIONS NETWORK INC. 2 2 1 5 0 10
SONY UNITED KINGDOM LIMITED 0 0 5 3 2 10
STANFORD UNIVERSITY 2 1 3 1 3 10
TIOGA TECHNOLOGIES, INC. 0 3 1 4 2 10
ADC TELECOMMUNICATIONS, INC. 2 2 3 1 1 9
ALPS ELECTRIC CO., LTD. 1 1 3 1 3 9
ARRAYCOMM, INC. 1 0 1 6 1 9
COMSYS COMMUNICATION & SIGNAL PROCESSING LTD. 0 1 1 1 6 9
HITACHI DENSHI KABUSHIKI KAISHA 5 1 1 2 0 9
ITRAN COMMUNICATIONS LTD. 0 1 4 3 1 9
RF MICRO DEVICES, INC. 0 1 2 6 0 9
SIEMENS INFORMATION AND COMMUNICATIONS NETWORKS, INC. 5 2 2 0 0 9
SILICON IMAGE, INC. 1 1 3 2 2 9
ATI INTERNATIONAL SRL 0 0 3 5 0 8
COMPAQ INFORMATION TECHNOLOGIES GROUP, L.P. 0 6 2 0 0 8
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 1 1 2 2 2 8
MINDSPEED TECHNOLOGIES, INC. 0 0 0 6 2 8
PULSE-LINK, INC. 0 1 1 1 5 8
TUT SYSTEMS, INC. 2 0 1 2 3 8
YAMAHA CORPORATION 1 1 2 1 3 8
BOEING COMPANY 0 1 0 5 1 7
DEUTSCHE TELEKOM AG 0 2 2 0 3 7
DIVA SYSTEMS CORPORATION 1 1 3 2 0 7
FRANCE TELECOM 0 1 4 2 0 7
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 1 0 3 0 3 7
MARVELL INTERNATIONAL LTD. 0 1 1 2 3 7
RICOH COMPANY, LTD. 1 4 1 1 0 7
SCIENTIFIC-ATLANTA, INC. 2 0 1 3 1 7
TELCORDIA TECHNOLOGIES, INC. 1 2 4 0 0 7
WHERENET CORPORATION 0 4 0 1 2 7
WIRELESS FACILITIES, INC. 1 2 2 1 1 7
YOZAN, INC. 5 0 2 0 0 7
2WIRE, INC. 0 0 3 0 3 6
APPLIED MICRO CIRCUITS CORPORATION 1 0 1 2 2 6
CADENCE DESIGN SYSTEMS, INC. 2 0 3 1 0 6
CENTILLIUM COMMUNICATIONS, INC. 1 0 2 3 0 6
CYNTRUST COMMUNICATIONS, INC. 0 0 1 2 3 6
D.S.P.C. TECHNOLOGIES LTD. 4 1 1 0 0 6
DSP GROUP, INC. 5 0 1 0 0 6
INFINEON TECHNOLOGIES NORTH AMERICA CORP. 0 1 2 3 0 6
INTEGRATED TELECOM EXPRESS, INC. 3 3 0 0 0 6
INTERVIDEO, INC. 0 0 0 1 5 6
KOREA TELECOM CO., LTD. 1 1 0 0 4 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 0 4 1 0 6
NTT DOCOMO, INC. 0 0 0 1 5 6
PROXIM, INC. 1 2 0 1 2 6
SICOM, INC. 2 3 1 0 0 6
SNELL & WILCOX LIMITED 2 0 1 1 2 6
TELLABS OPERATIONS INC. 0 1 2 2 1 6
THOMSON-CSF 1 1 3 1 0 6
TROPIAN, INC. 2 0 2 2 0 6
VIA TECHNOLOGIES, INC. 1 0 1 3 1 6
ADAPTEC, INC. 3 1 0 1 0 5
ANDO ELECTRIC CO., LTD. 1 1 0 3 0 5
BRITISH BROADCASTING CORPORATION 0 0 2 3 0 5
BROTHER KOGYO KABUSHIKI KAISHA 3 0 1 1 0 5
CINGULAR WIRELESS II, LLC 0 0 0 0 5 5
DOT WIRELESS, INC. 1 2 2 0 0 5
EMC CORPORATION 0 0 0 3 2 5
GCT SEMICONDUCTOR, INC. 0 1 2 1 1 5
GENERAL DYNAMICS DECISION SYSTEMS, INC. 0 0 1 3 1 5
GENERAL RESEARCH OF ELECTRONICS, INC. 1 1 3 0 0 5
INTERMEC IP CORP. 2 1 1 1 0 5
IOSPAN WIRELESS, INC. 1 4 0 0 0 5
IPR LICENSING, INC. 0 0 0 2 3 5
NEXT LEVEL COMMUNICATIONS, INC. 0 3 0 2 0 5
NIELSEN MEDIA RESEARCH, INC. 1 0 2 1 1 5
PIONEER ELECTRONIC CORPORATION 0 0 3 0 2 5
PTS CORPORATION 0 0 0 1 4 5
ROHDE & SCHWARZ GMBH & CO. 0 0 1 0 4 5
SEAGATE TECHNOLOGY, LLC 4 0 1 0 0 5
SGS-THOMSON MICROELECTRONICS S.A. 4 1 0 0 0 5
SIGMATEL INC. 2 0 2 0 1 5
SYMMETRICOM, INC. 0 0 2 2 1 5
TIOGA TECHNOLOGIES LTD. 0 1 2 1 1 5
UNITED STATES OF AMERICA, AIR FORCE 2 1 0 0 2 5
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 2 0 1 1 5
VIRATA CORPORATION 2 0 0 2 1 5
VISTEON GLOBAL TECHNOLOGIES, INC. 4 1 0 0 0 5
WINBOND ELECTRONICS CORP. 2 2 1 0 0 5
XEROX CORPORATION 0 2 2 0 1 5


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