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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 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 80 92 101 120 93 486
MICRON TECHNOLOGY, INC. 16 16 16 54 75 177
APPLIED MATERIALS, INC. 7 21 32 48 51 159
EBARA CORPORATION 7 13 11 26 41 98
INTERNATIONAL BUSINESS MACHINES CORPORATION 9 16 15 24 16 80
SPEEDFAM-IPEC CORP. 0 9 10 21 22 62
LAM RESEARCH CORPORATION 2 2 5 16 24 49
NEC CORPORATION 6 5 14 12 9 46
3M INNOVATIVE PROPERTIES COMPANY 0 3 11 15 12 41
SHIN-ETSU HANDOTAI CO., LTD. 10 10 5 7 5 37
TOKYO SEIMITSU CO., LTD. 4 3 9 11 10 37
RODEL HOLDINGS INC. 0 0 5 10 21 36
ADVANCED MICRO DEVICES, INC. 3 2 9 13 8 35
LSI LOGIC CORPORATION 2 13 3 5 6 29
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 0 1 5 11 12 29
NIDEK CO., LTD. 2 1 11 10 4 28
NORTON COMPANY 2 6 9 8 0 25
SONY CORPORATION 3 4 10 3 4 24
LUCENT TECHNOLOGIES INC. 2 4 10 5 2 23
CANON KABUSHIKI KAISHA 2 2 9 6 2 21
MINNESOTA MINING AND MANUFACTURING COMPANY 11 9 1 0 0 21
SPEEDFAM CO., LTD. 1 2 12 4 2 21
TOSHIBA CORPORATION 2 2 3 6 8 21
UNITED MICROELECTRONICS CORPORATION 0 2 7 8 4 21
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 6 12 18
SPEEDFAM CORPORATION 8 8 2 0 0 18
TDK CORPORATION 0 1 4 5 7 17
UNOVA U.K. LIMITED 0 0 3 9 5 17
FUJITSU LIMITED 1 3 5 4 3 16
ROBERT BOSCH GMBH 2 5 3 2 4 16
VLSI TECHNOLOGY, INC. 0 1 5 6 4 16
MOTOROLA, INC. 2 3 5 3 2 15
SAMSUNG ELECTRONICS CO., LTD. 1 2 2 5 5 15
GENERAL ELECTRIC COMPANY 0 0 3 7 4 14
INTEL CORPORATION 1 2 4 1 6 14
REISHAUER AG 0 3 2 5 4 14
DISCO CORPORATION 0 0 3 4 6 13
MEMC ELECTRONIC MATERIALS, INC. 1 3 3 2 4 13
APLEX, INC. 0 3 9 0 0 12
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 0 1 1 8 2 12
GLEASON WORKS 2 2 1 3 4 12
HITACHI, LTD 1 2 1 3 5 12
MITSUBISHI MATERIALS CORPORATION 0 1 1 6 4 12
SEAGATE TECHNOLOGY, LLC 0 0 1 6 5 12
WERNICKE & CO. GMBH 2 6 1 2 1 12
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 3 3 2 2 1 11
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG 1 2 3 1 4 11
PROMOS TECHNOLOGIES, INC. 0 1 2 5 2 10
SEH AMERICA, INC. 0 1 5 2 2 10
STRASBAUGH, INC. 0 1 1 2 6 10
TOYODA KOKI KABUSHIKI KAISHA 4 2 1 0 3 10
BLACK & DECKER INC. 2 3 2 2 0 9
CABOT MICROELECTRONICS CORPORATION 0 0 0 2 7 9
FLOW INTERNATIONAL CORPORATION 1 0 0 4 4 9
PORTER-CABLE CORPORATION 3 2 2 1 1 9
SEIKO INSTRUMENTS INC. 1 1 3 2 2 9
CORNING INCORPORATED 1 2 1 2 2 8
FUJIKOSHI KIKAI KOGYO KABUSHIKI KAISHA 0 2 1 3 2 8
GERBER COBURN OPTICAL, INC. 0 1 3 1 3 8
HILTI AKTIENGESELLSCHAFT 0 1 1 1 5 8
NIHON MICRO COATING CO., LTD. 1 1 1 3 2 8
NIPPEI TOYAMA CORPORATION 0 0 3 4 1 8
NSK LIMITED 0 3 1 1 3 8
SEAGATE TECHNOLOGY, INCORPORATED 3 2 3 0 0 8
INSTITUTE OF PHYSICAL AND CHEMICAL RESEARCH 0 1 4 2 0 7
KELTECH ENGINEERING, INC. 0 3 4 0 0 7
NIKON CORPORATION 0 1 3 2 1 7
BEAVER CREEK CONCEPTS, INC. 0 0 0 3 3 6
FUJI PHOTO FILM CO., LTD 1 2 1 1 1 6
KABUSHIKI KAISHA TOPCON 1 2 1 1 1 6
KENNAMETAL INC. 2 0 2 0 2 6
LIDKOPING MACHINE TOOLS AB 0 0 0 3 3 6
MOSEL VITELIC, INCORPORATED 0 0 3 3 0 6
RYOBI NORTH AMERICA, CORP. 2 2 2 0 0 6
SUPER SILICON CRYSTAL RESEARCH INSTITUTE CORP. 0 2 1 2 1 6
TOYOTA JIDOSHA K.K. 1 2 1 1 1 6
UNOVA IP CORP. 0 3 1 1 1 6
XEROX CORPORATION 1 0 1 2 2 6
CABOT CORPORATION 0 0 4 1 0 5
FORD GLOBAL TECHNOLOGIES, INC. 0 0 2 3 0 5
INFINEON TECHNOLOGIES AG 0 0 0 1 4 5
KOMAG, INC. 1 0 1 3 0 5
OBSIDIAN, INC. 1 1 2 1 0 5
PETER WOLTERS WERKZEUGMASCHINEN GMBH 1 0 2 1 1 5
RIKEN CORPORATION 0 0 0 1 4 5
RODEL INC. 1 1 3 0 0 5
SANDVIK AKTIEBOLAG 0 1 3 1 0 5
SIEMENS AKTIENGESELLSCHAFT 0 2 2 0 1 5
SUMITOMO METAL INDUSTRIES CO., LTD. 0 1 3 0 1 5
TEXAS INSTRUMENTS, INCORPORATED 1 2 0 0 2 5
TOKYO ELECTRON LIMITED 1 0 3 0 1 5
UNITED TECHNOLOGIES CORPORATION 0 0 3 2 0 5


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