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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 451, Abrading

( 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
~Individually Owned Patent 101 120 93 81 96 491
MICRON TECHNOLOGY, INC. 16 54 75 48 39 232
APPLIED MATERIALS, INC. 32 48 51 61 33 225
EBARA CORPORATION 11 26 41 22 19 119
LAM RESEARCH CORPORATION 5 16 24 36 29 110
INTERNATIONAL BUSINESS MACHINES CORPORATION 15 24 16 9 10 74
SPEEDFAM-IPEC CORP. 10 21 22 13 8 74
3M INNOVATIVE PROPERTIES COMPANY 11 15 12 15 17 70
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 5 11 12 13 23 64
RODEL HOLDINGS INC. 5 10 21 15 7 58
ADVANCED MICRO DEVICES, INC. 9 13 8 10 6 46
TOKYO SEIMITSU CO., LTD. 9 11 10 7 6 43
NEC CORPORATION 14 12 9 2 0 37
NIDEK CO., LTD. 11 10 4 4 4 33
GENERAL ELECTRIC COMPANY 3 7 4 11 6 31
SONY CORPORATION 10 3 4 6 7 30
SAMSUNG ELECTRONICS CO., LTD. 2 5 5 11 6 29
ROBERT BOSCH GMBH 3 2 4 10 9 28
SHIN-ETSU HANDOTAI CO., LTD. 5 7 5 5 6 28
UNITED MICROELECTRONICS CORPORATION 7 8 4 5 2 26
HITACHI, LTD 1 3 5 13 2 24
CABOT MICROELECTRONICS CORP. 0 2 7 7 7 23
STRASBAUGH, INC. 1 2 6 10 4 23
DISCO CORPORATION 3 4 6 3 5 21
TDK CORPORATION 4 5 7 2 3 21
UNOVA U.K. LIMITED 3 9 5 0 4 21
CANON KABUSHIKI KAISHA 9 6 2 2 1 20
SPEEDFAM CO., LTD. 12 4 2 1 1 20
TOSHIBA CORPORATION 3 6 8 1 2 20
FUJITSU LIMITED 5 4 3 4 3 19
LSI LOGIC CORPORATION 3 5 6 1 4 19
REISHAUER AG 2 5 4 3 5 19
SEAGATE TECHNOLOGY, LLC 1 6 5 5 2 19
AGERE SYSTEMS GUARDIAN CORP. 0 6 12 0 0 18
LUCENT TECHNOLOGIES INC. 10 5 2 0 0 17
NORTON COMPANY 9 8 0 0 0 17
SEIKO INSTRUMENTS INC. 3 2 2 1 9 17
INTEL CORPORATION 4 1 6 1 4 16
MOTOROLA, INC. 5 3 2 4 2 16
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 1 8 2 3 1 15
PROMOS TECHNOLOGIES, INC. 2 5 2 1 5 15
VLSI TECHNOLOGY, INC. 5 6 4 0 0 15
HILTI AKTIENGESELLSCHAFT 1 1 5 2 5 14
INFINEON TECHNOLOGIES AG 0 1 4 1 7 13
MITSUBISHI MATERIALS CORPORATION 1 6 4 1 1 13
SAINT-GOBAIN ABRASIVES TECHNOLOGY COMPANY 0 0 4 4 5 13
SEH AMERICA, INC. 5 2 2 1 3 13
BEAVER CREEK CONCEPTS, INC. 0 3 3 3 3 12
NSK LIMITED 1 1 3 4 3 12
AGERE SYSTEMS INC. 0 1 0 7 3 11
FLOW INTERNATIONAL CORPORATION 0 4 4 1 2 11
NIHON MICRO COATING CO., LTD. 1 3 2 1 4 11
CORNING INCORPORATED 1 2 2 2 3 10
GERBER COBURN OPTICAL, INC. 3 1 3 3 0 10
GLEASON WORKS 1 3 4 0 2 10
HOYA CORPORATION 0 3 1 3 3 10
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 1 2 6 1 10
MEMC ELECTRONIC MATERIALS, INC. 3 2 4 0 1 10
NIPPEI TOYAMA CORPORATION 3 4 1 1 1 10
NORITAKE CO., LTD. 0 2 2 1 5 10
NUTOOL, INC. 1 0 3 4 2 10
RIKEN CORPORATION 0 1 4 4 1 10
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG 3 1 4 2 0 10
APLEX, INC. 9 0 0 0 0 9
KABUSHIKI KAISHA TOPCON 1 1 1 2 4 9
MOSEL VITELIC, INCORPORATED 3 3 0 1 2 9
MURATA MANUFACTURING CO., LTD. 1 2 1 3 2 9
TEXAS INSTRUMENTS, INCORPORATED 0 0 2 3 4 9
BLACK & DECKER INC. 2 2 0 2 2 8
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 2 1 1 2 8
MITSUBISHI DENKI KABUSHIKI KAISHA 1 2 0 3 2 8
TOYODA KOKI KABUSHIKI KAISHA 1 0 3 3 1 8
C. & E. FEIN GMBH & CO. 2 1 0 2 2 7
MACRONIX INTERNATIONAL CO., LTD. 0 0 1 2 4 7
NIKON CORPORATION 3 2 1 0 1 7
SANDVIK AKTIEBOLAG 3 1 0 3 0 7
TOSOH CORPORATION 1 1 2 1 2 7
BAUSCH & LOMB, INC. 0 1 0 3 2 6
FUJIKOSHI KIKAI KOGYO KABUSHIKI KAISHA 1 3 2 0 0 6
FUJIKOSHI MACHINERY CORPORATION 0 0 1 1 4 6
INSTITUTE OF PHYSICAL AND CHEMICAL RESEARCH 4 2 0 0 0 6
LIDKOPING MACHINE TOOLS AB 0 3 3 0 0 6
MULTI PLANAR TECHNOLOGIES, INC. 0 0 0 6 0 6
TOKYO ELECTRON LIMITED 3 0 1 0 2 6
UNITED TECHNOLOGIES CORPORATION 3 2 0 0 1 6
BOEING COMPANY 0 0 1 2 2 5
CABOT CORPORATION 4 1 0 0 0 5
CYPRESS SEMICONDUCTOR CORP. 0 2 1 0 2 5
EASTMAN KODAK COMPANY 0 3 0 1 1 5
ERNST THIELENHAUS GMBH & CO. KG 4 0 0 1 0 5
ERWIN JUNKER MASCHNINENFABRIK GMBH 0 1 2 1 1 5
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE 0 2 0 2 1 5
EXTRUDE HOME CORPORATION 0 1 1 3 0 5
FORD GLOBAL TECHNOLOGIES, INC. 2 3 0 0 0 5
FUJI PHOTO FILM CO., LTD 1 1 1 0 2 5
KELTECH ENGINEERING, INC. 4 0 0 0 1 5
LOH OPTIKMASCHINEN AG 0 1 1 1 2 5
NAN YA TECHNOLOGY CORPORATION 0 0 0 1 4 5
NEC ELECTRONICS CORPORATION 0 0 0 3 2 5
NOVA MEASURING INSTRUMENTS, LTD. 1 0 2 0 2 5
PORTER-CABLE CORPORATION 2 1 1 1 0 5
SUMITOMO SPECIAL METAL COMPANY LIMITED 0 2 1 1 1 5
WERNICKE & CO. GMBH 1 2 1 1 0 5
XEROX CORPORATION 1 2 2 0 0 5


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