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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 2000 - 2004 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 257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes)

( 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 2000 2001 2002 2003 2004 Total
MICRON TECHNOLOGY, INC. 206 230 256 323 377 1392
INTERNATIONAL BUSINESS MACHINES CORPORATION 101 157 193 226 193 870
TOSHIBA CORPORATION 135 121 127 177 198 758
MITSUBISHI DENKI KABUSHIKI KAISHA 135 148 184 203 70 740
NEC CORPORATION 202 175 199 84 35 695
ADVANCED MICRO DEVICES, INC. 152 135 154 140 98 679
SAMSUNG ELECTRONICS CO., LTD. 56 64 91 119 131 461
HITACHI, LTD 49 62 114 138 96 459
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 58 70 76 89 107 400
TEXAS INSTRUMENTS, INCORPORATED 63 72 77 74 90 376
INFINEON TECHNOLOGIES AG 7 37 66 106 135 351
FUJITSU LIMITED 47 62 76 73 90 348
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 21 35 50 92 148 346
INTEL CORPORATION 41 30 46 92 114 323
~Individually Owned Patent 42 55 68 81 64 310
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 35 46 57 71 77 286
SEIKO EPSON CORPORATION 17 26 48 76 91 258
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 27 47 49 68 56 247
SONY CORPORATION 55 40 53 45 49 242
OKI ELECTRIC INDUSTRY CO., LTD. 37 50 42 56 55 240
RENESAS TECHNOLOGY CORPORATION 0 0 0 4 197 201
ROHM COMPANY LIMITED 26 27 44 36 42 175
MOTOROLA, INC. 45 27 29 41 28 170
UNITED MICROELECTRONICS CORPORATION 36 45 40 33 14 168
LSI LOGIC CORPORATION 32 30 27 29 47 165
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 23 49 44 32 15 163
NATIONAL SEMICONDUCTOR CORPORATION 20 19 24 39 39 141
SANYO ELECTRIC CO., LTD. 13 18 23 37 47 138
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 35 53 46 134
SIEMENS AKTIENGESELLSCHAFT 57 34 25 9 3 128
SILICONWARE PRECISION INDUSTRIES CO., LTD. 1 12 39 44 32 128
AMKOR TECHNOLOGY, INC. 3 7 36 47 31 124
STMICROELECTRONICS S.R.L. 9 23 31 32 25 120
NEC ELECTRONICS CORPORATION 0 0 0 53 56 109
INTERNATIONAL RECTIFIER CORPORATION 14 16 24 22 25 101
DENSO CORPORATION 17 15 22 19 23 96
FUJI ELECTRIC CO., LTD. 12 13 14 20 36 95
CANON KABUSHIKI KAISHA 14 18 10 17 24 83
WINBOND ELECTRONICS CORP. 14 22 23 12 12 83
STMICROELECTRONICS S.A. 7 11 9 26 26 79
AGILENT TECHNOLOGIES, INC. 7 13 12 13 28 73
STMICROELECTRONICS, INC. 23 13 11 13 13 73
AGERE SYSTEMS INC. 0 1 5 33 33 72
FAIRCHILD SEMICONDUCTOR CORPORATION 1 3 17 15 29 65
LUCENT TECHNOLOGIES INC. 32 20 3 7 2 64
MACRONIX INTERNATIONAL CO., LTD. 4 2 12 22 24 64
ADVANCED SEMICONDUCTOR ENGINEERING, INC. 5 12 17 6 21 61
HYNIX SEMICONDUCTOR INC. 0 0 13 22 26 61
TESSERA, INC. 13 16 14 11 7 61
LG SEMICON CO., LTD. 42 7 7 3 1 60
SEIKO INSTRUMENTS INC. 8 11 11 14 16 60
SHINKO ELECTRIC INDUSTRIES CO., LTD. 7 11 12 15 14 59
AGERE SYSTEMS GUARDIAN CORP. 0 25 33 0 0 58
MURATA MANUFACTURING CO., LTD. 5 7 16 19 11 58
LG. PHILIPS LCD CO., LTD. 0 11 12 17 17 57
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 0 18 35 53
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 13 4 10 11 15 53
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 3 10 12 12 15 52
TOYODA GOSEI KABUSHIKI KAISHA 3 7 7 11 18 46
U.S. PHILIPS CORPORATION 18 23 4 0 0 45
VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION 12 15 10 5 3 45
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 8 5 9 13 9 44
LUMILEDS LIGHTING, U.S., LLC 1 9 8 17 9 44
TELEFONAKTIEBOLAGET LM ERICSSON 11 10 15 6 2 44
MATSUSHITA ELECTRONICS CORPORATION 20 13 7 3 0 43
SHARP LABORATORIES OF AMERICA, INC. 5 7 8 12 9 41
GENERAL ELECTRIC COMPANY 2 9 10 11 6 38
XEROX CORPORATION 8 5 5 8 12 38
CREE, INC. 0 8 7 8 13 36
CYPRESS SEMICONDUCTOR CORP. 8 5 4 7 12 36
ROBERT BOSCH GMBH 3 4 5 10 14 36
SUN MICROSYSTEMS, INC. 8 4 4 11 8 35
GENERAL SEMICONDUCTOR CO., INC. 0 1 6 16 11 34
UNITED STATES OF AMERICA, NAVY 6 6 7 4 11 34
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 4 3 6 13 8 34
HEWLETT-PACKARD COMPANY 14 4 7 7 0 32
SGS-THOMSON MICROELECTRONICS S.R.L. 17 7 3 4 1 32
EASTMAN KODAK COMPANY 8 3 7 7 5 30
NEWPORT FAB, LLC 0 0 5 10 14 29
RICOH COMPANY, LTD. 8 7 3 3 8 29
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 2 2 10 8 7 29
CALIFORNIA INSTITUTE OF TECHNOLOGY 6 5 5 8 4 28
FUJITSU QUANTUM DEVICES LIMITED 2 3 5 7 11 28
INTERSIL CORPORATION, INC. 10 14 2 0 2 28
ALTERA CORPORATION 1 5 4 3 14 27
SHOWA DENKO KABUSHIKI KAISHA 3 2 7 5 10 27
MOSEL VITELIC, INCORPORATED 7 5 5 5 4 26
NGK INSULATORS LTD. 2 2 6 5 11 26
SYMETRIX CORPORATION 4 7 7 5 3 26
VLSI TECHNOLOGY, INC. 14 10 2 0 0 26
PHILIPS ELECTRONICS NORTH AMERICA CORP. 6 14 5 0 0 25
TRW INC. 6 8 6 4 1 25
FUJI PHOTO FILM CO., LTD 1 1 5 8 9 24
HONEYWELL INTERNATIONAL INC. 3 1 5 7 8 24
NATIONAL SCIENCE COUNCIL 12 7 4 0 1 24
RAYTHEON COMPANY 4 4 4 7 5 24
TDK CORPORATION 5 6 6 2 5 24
VIA TECHNOLOGIES, INC. 0 0 1 5 18 24
FAIRCHILD KOREA SEMICONDUCTOR, LTD. 2 4 6 7 4 23
LG ELECTRONICS INC. 9 3 2 8 1 23
HRL LABORATORIES, LLC 0 3 1 8 10 22
OSRAM OPTO SEMICONDUCTOR GMBH & CO. OHG 0 0 4 9 9 22
POWER INTEGRATIONS, INC. 1 1 2 8 10 22
SKYWORKS SOLUTIONS, INC. 0 0 1 11 10 22
TEXAS INSTRUMENTS - ACER INCORPORATED 16 6 0 0 0 22
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 0 4 2 8 7 21
APPLIED MATERIALS, INC. 3 4 4 6 3 20
FURUKAWA ELECTRIC CO., LTD. 0 3 3 7 7 20
MATRIX SEMICONDUCTOR, INC. 0 0 1 8 11 20
MEGIC CORPORATION 0 0 8 4 8 20
NORTH CAROLINA STATE UNIVERSITY 4 2 4 7 3 20
SILICONIX INCORPORATED 9 5 3 2 1 20
ANALOG DEVICES, INC. 0 5 2 5 7 19
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 3 5 2 8 19
DELPHI TECHNOLOGIES, INC. 0 1 4 5 9 19
SGS-THOMSON MICROELECTRONICS S.A. 11 3 1 3 1 19
WORLDWIDE SEMICONDUCTOR MANUFACTURING CORPORATION 13 6 0 0 0 19
HITACHI CABLE, LTD. 5 3 4 2 4 18
HUGHES ELECTRONICS CORP. 5 6 5 2 0 18
NIPPON STEEL CORP. 2 9 2 3 2 18
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 1 3 4 4 5 17
INTERSIL AMERICAS INC. 0 1 3 7 6 17
UNITED EPITAXY COMPANY, LTD. 1 0 5 6 5 17
CITIZEN WATCH CO., LTD. 6 4 5 1 0 16
D-WAVE SYSTEMS INC. 0 0 1 9 6 16
FREESCALE SEMICONDUCTOR, INC. 0 0 0 0 16 16
NAN YA TECHNOLOGY CORPORATION 2 1 1 2 10 16
NORTHROP GRUMMAN CORPORATION 2 1 1 4 8 16
SILICON INTEGRATED SYSTEMS CORP. 2 0 3 5 6 16
ASAT, LIMITED 1 3 0 4 7 15
IXYS CORPORATION 3 0 1 2 9 15
KYOCERA CORPORATION 3 2 2 6 2 15
MICREL INCORPORATED 0 0 0 5 10 15
CANARE ELECTRIC CO., LTD. 0 5 6 2 1 14
HITACHI CHEMICAL COMPANY, LTD. 1 5 2 2 4 14
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 2 1 5 4 2 14
OKIDATA CORPORATION 3 1 3 3 4 14
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 1 1 6 6 14
SANDIA CORPORATION 1 3 3 4 3 14
SILICON STORAGE TECHNOLOGY, INC. 0 1 2 4 7 14
3M INNOVATIVE PROPERTIES COMPANY 2 0 3 5 3 13
AU OPTRONICS CORP. 0 0 0 5 8 13
CONEXANT SYSTEMS, INC. 0 7 4 2 0 13
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 3 2 3 2 3 13
INTEGRATED DEVICE TECHNOLOGY, INC. 2 6 0 1 4 13
NEC COMPOUND SEMICONDUCTOR DEVICES, LTD. 0 0 1 5 7 13
NIPPON TELEGRAPH & TELEPHONE CORP. 4 0 3 2 4 13
UNITED STATES OF AMERICA, ARMY 3 2 3 1 4 13
VANTIS CORPORATION 2 8 3 0 0 13
ADVANCED TECHNOLOGY MATERIALS, INC. 1 3 4 1 3 12
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION, INC. 0 0 4 5 3 12
FORM FACTOR, INC. 2 3 0 4 3 12
INFINEON TECHNOLOGIES NORTH AMERICA CORP. 1 7 1 0 3 12
POWERCHIP SEMICONDUCTOR CORP. 0 0 0 1 11 12
SAMSUNG SDI CO., LTD. 0 0 1 2 9 12
SHIN-ETSU HANDOTAI CO., LTD. 1 1 3 1 6 12
SHINDENGEN ELECTRIC MANUFACTURING CO., LTD 0 0 4 3 5 12
ST ASSEMBLY TEST SERVICES, PTE LTD. 0 0 4 2 6 12
T-RAM, INC. 0 0 1 2 9 12
ALPS ELECTRIC CO., LTD. 1 0 1 3 6 11
FUJI XEROX CO., LTD. 0 0 3 5 3 11
NICHIA CORPORATION 0 0 1 5 5 11
PIONEER CORPORATION 0 2 1 2 6 11
WALSIN ADVANCED ELECTRONICS LTD 1 3 6 1 0 11
XILINX, INC. 2 3 2 2 2 11
ABB RESEARCH LTD. 4 2 2 1 1 10
AMBERWAVE SYSTEMS CORPORATION 0 0 0 4 6 10
APPLIED MICRO CIRCUITS CORPORATION 0 0 3 3 4 10
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 0 0 2 1 7 10
EUPEC EUROPAEISCHE GESELLSCHAFT FUER LEISTUNGSHALBLEITER MBH & CO. KG. 2 0 2 0 6 10
LATTICE SEMICONDUCTOR CORPORATION 1 0 1 4 4 10
LOCKHEED MARTIN CORPORATION 3 2 4 0 1 10
NEC LCD TECHNOLOGIES, LTD. 0 0 0 2 8 10
NICHIA CHEMICAL INDUSTRIES, LTD. 2 3 1 2 2 10
NIKON CORPORATION 3 3 1 2 1 10
OVONYX, INC. 0 0 0 5 5 10
SAIFUN SEMICONDUCTORS, LTD. 0 2 2 4 2 10
SARNOFF CORPORATION & CO., LTD. 2 1 1 3 3 10
SILICON-BASED TECHNOLOGY CORP. 0 0 3 5 2 10
WHITAKER CORPORATION 5 3 0 1 1 10
ADVANTEST CORP. 2 3 1 2 1 9
ALLIED-SIGNAL INC. 2 1 4 1 1 9
ATMEL CORPORATION 0 2 3 1 3 9
DAI NIPPON PRINTING CO. LTD 1 0 1 1 6 9
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 1 3 4 0 1 9
DALSA INC. 2 0 2 4 1 9
E-MEMORY TECHNOLOGY, INC. 0 0 2 2 5 9
ERICSSON, INC. 0 2 6 1 0 9
HARVATEK CORPORATION 1 2 1 3 2 9
HYUNDAI ELECTRONICS AMERICA 2 2 0 5 0 9
INSTITUTE OF MICROELECTRONICS 0 0 3 5 1 9
INTELLIGENT SOURCES DEVELOPMENT CORP. 0 0 0 1 8 9
JAPAN SCIENCE AND TECHNOLOGY CORPORATION 2 0 1 5 1 9
KINGPAK TECHNOLOGY INC. 0 0 2 3 4 9
MAXIM INTEGRATED PRODUCTS, INC. 1 5 1 2 0 9
NIPPON SHEET GLASS CO., LTD. 0 1 1 3 4 9
NITTO DENKO CORPORATION 5 2 0 2 0 9
QINETIQ LIMITED 0 0 2 3 4 9
STANFORD UNIVERSITY, LELAND JUNIOR, THE BOARD OF TRUSTEES OF 1 1 2 2 3 9
YAMAHA CORPORATION 3 4 0 1 1 9
ACTEL CORPORATION, INC. 2 1 1 2 2 8
ALCATEL 2 2 3 0 1 8
BOEING COMPANY 0 1 2 2 3 8
BROADCOM CORPORATION 0 0 1 1 6 8
CASIO COMPUTER CO. LTD. 0 0 2 5 1 8
CLEAR LOGIC, INC. 2 2 3 1 0 8
CORNELL RESEARCH FOUNDATION INC. 1 0 1 6 0 8
DONGBU ELECTRONICS CO., LTD. 0 0 2 3 3 8
MATSUSHITA ELECTRIC WORKS, LTD. 0 1 4 1 2 8
MITSUBISHI CHEMICAL CORPORATION 0 3 0 0 5 8
NGK SPARK PLUG CO., LTD. 1 0 2 2 3 8
PROGRESSANT TECHNOLOGIES, INC. 0 0 1 3 4 8
SILICON BANDWIDTH, INC. 2 1 0 2 3 8
SILICON SEMICONDUCTOR CORPORATION 0 0 0 4 4 8
TOWER SEMICONDUCTOR LTD. 0 5 2 0 1 8
CITIZEN ELECTRONICS CO., LTD. 0 0 1 0 6 7
FORSCHUNGSZENTRUM JULICH GMBH 1 3 3 0 0 7
HONEYWELL INC. 1 3 1 2 0 7
LOVOLTECH, INC. 0 1 0 1 5 7
MITSUI HIGH-TEC, INC. 0 0 1 3 3 7
NISSAN MOTOR COMPANY, LIMITED 2 0 1 2 2 7
OMNIVISION TECHNOLOGIES INC. 0 1 5 1 0 7
PHILIPS SEMICONDUCTOR, INC. 0 7 0 0 0 7
PROMOS TECHNOLOGIES, INC. 0 0 2 1 4 7
RF MICRO DEVICES, INC. 0 0 1 3 3 7
SAMSUNG AEROSPACE INDUSTRIES, LTD. 4 2 1 0 0 7
SONY CHEMICALS CORPORATION 0 0 2 3 2 7
UNITED STATES OF AMERICA, AIR FORCE 2 4 0 0 1 7
ASAHI KASEI KOGYO KABUSHIKI KAISHA 2 1 1 0 2 6
BRIDGE SEMICONDUCTOR CORPORATION 0 0 1 1 4 6
CREE LIGHTING COMPANY 0 1 1 4 0 6
DELCO ELECTRONICS CORPORATION 5 1 0 0 0 6
DOW CORNING CORPORATION 1 0 0 4 1 6
FAB-TECH INCORPORATED 0 0 2 0 4 6
GEMPLUS 0 0 1 4 1 6
HON HAI PRECISION IND. CO., LTD. 1 0 0 1 4 6
INTEGRATION ASSOCIATES, INC. 1 2 0 1 2 6
KOPIN CORPORATION 0 0 2 2 2 6
MEDTRONIC INC. 1 0 0 1 4 6
MICRONAS GMBH 0 4 1 0 1 6
NIPPON STEEL SEMICONDUCTOR CORPORATION 4 2 0 0 0 6
OPTO TECH CORPORATION 0 0 1 2 3 6
SANDISK CORPORATION 2 0 0 4 0 6
SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM 4 0 2 0 0 6
SHIN ETSU CHEMICAL CO., LTD. 0 1 1 3 1 6
SICED ELECTRONICS DEVELOPMENT GMBH & CO. KG 0 3 0 1 2 6
STANLEY ELECTRIC CO., LTD. 0 1 1 2 2 6
SUMITOMO CHEMICAL COMPANY, LIMITED 2 0 2 0 2 6
TECCOR ELECTRONICS, LP 1 0 2 1 2 6
THIN FILM ELECTRONICS ASA 0 0 1 2 3 6
THOMSON-CSF 2 1 1 1 1 6
TOKYO ELECTRON LIMITED 0 0 3 0 3 6
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 0 1 3 2 0 6
TYCO ELECTRONICS CORPORATION 0 2 2 1 1 6
ULTRATERA CORPORATION 0 0 0 1 5 6
VISHAY SEMICONDUCTOR GMBH 1 1 2 2 0 6
ACREO AB 1 2 0 1 1 5
ACTRANS SYSTEM INC. 0 3 0 1 1 5
ALLIANCE SEMICONDUCTOR CORPORATION 2 1 2 0 0 5
ANAM SEMICONDUCTOR, INC. 2 1 1 0 1 5
APD SEMICONDUCTOR, INC. 0 0 4 1 0 5
ARIMA OPTOELECTRONICS CORPORATION 1 0 3 1 0 5
ASEA BROWN BOVERI AKTIENGESELLSCHAFT 4 0 1 0 0 5
AXT, INC. 0 0 3 2 0 5
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED 0 0 0 4 1 5
CHIPMOS TECHNOLOGIES, INC. 3 0 0 1 1 5
CONSORZIO PER LA RICERCA SULLA MICROELETTRONICA NEL MEZZOGIORNO 4 1 0 0 0 5
ELMOS SEMICONDUCTOR AG 3 1 1 0 0 5
EPISTAR CORPORATION 2 2 0 1 0 5
FRANCE TELECOM 1 0 1 1 2 5
GEORGIA TECH RESEARCH CORP. 0 1 1 1 2 5
HAMAMATSU PHOTONICS KABUSHIKI KAISHA 1 0 2 0 2 5
HIGHLINK TECHNOLOGY CORPORATION 0 0 1 1 3 5
INNOTECH CORPORATION 0 0 1 2 2 5
ISETEX, INC 0 1 1 3 0 5
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 2 2 0 0 1 5
KULITE SEMICONDUCTOR PRODUCTS INC. 0 2 1 1 1 5
M/A COM, INC. 0 0 0 2 3 5
MAGEPOWER SEMICONDUCTOR CORP. 2 2 1 0 0 5
MEMX, INC. 0 0 0 0 5 5
MICROCHIP TECHNOLOGY INCORPORATED 0 2 1 2 0 5
MIRAE CORPORATION 0 1 0 1 3 5
MITSUBISHI GAS-CHEMICAL COMPANY, INC. 1 1 2 0 1 5
MONOLITHIC SYSTEM TECHNOLOGY, INC. 0 0 0 3 2 5
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY 0 0 1 0 4 5
NATIONAL RESEARCH COUNCIL OF CANADA 1 1 0 2 1 5
NIPPONDENSO CO., LTD. 4 0 1 0 0 5
NORTEL NETWORKS LIMITED 1 3 0 1 0 5
OIS OPTICAL IMAGING SYSTEMS, INC. 2 3 0 0 0 5
OMRON CORPORATION 0 0 0 3 2 5
PEREGRINE SEMICONDUCTOR CORPORATION 1 0 0 3 1 5
PRINCETON UNIVERSITY 0 4 0 1 0 5
QUICKLOGIC CORPORATION 1 1 0 3 0 5
RADIANT TECHNOLOGIES, INC. 2 2 1 0 0 5
RAMBUS, INC. 0 0 1 2 2 5
SEMICONDUCTOR TECHNOLOGY ACADEMIC RESEARCH CENTER 0 0 2 1 2 5
SOUTH EPITAXY CORPORATION 0 0 0 3 2 5
TOYOTA JIDOSHA K.K. 1 0 0 2 2 5
TRU-SI TECHNOLOGIES, INC. 0 0 1 1 3 5
UNIVERSITY OF COLORADO, THE REGENTS OF 0 0 0 3 2 5
UNIVERSITY OF MINNESOTA, THE REGENTS OF 3 0 0 1 1 5
UNIVERSITY OF TEXAS 0 3 1 0 1 5
WESTERN DIGITAL (FREMONT), INC. 0 0 0 1 4 5


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