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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 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 120 93 81 96 84 474
MICRON TECHNOLOGY, INC. 54 75 48 39 44 260
APPLIED MATERIALS, INC. 48 51 61 33 42 235
LAM RESEARCH CORPORATION 16 24 36 30 30 136
EBARA CORPORATION 26 41 22 19 21 129
SPEEDFAM-IPEC CORP. 21 22 13 8 5 69
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 11 12 13 23 10 69
3M INNOVATIVE PROPERTIES COMPANY 15 12 15 17 8 67
INTERNATIONAL BUSINESS MACHINES CORPORATION 24 16 9 10 4 63
RODEL HOLDINGS INC. 10 21 15 7 0 53
ROBERT BOSCH GMBH 2 4 10 9 16 41
SAMSUNG ELECTRONICS CO., LTD. 5 5 11 6 14 41
TOKYO SEIMITSU CO., LTD. 11 10 7 6 7 41
ADVANCED MICRO DEVICES, INC. 13 8 10 6 2 39
CABOT MICROELECTRONICS CORP. 2 7 7 7 9 32
GENERAL ELECTRIC COMPANY 7 4 11 6 3 31
STRASBAUGH, INC. 2 6 10 4 8 30
NIDEK CO., LTD. 10 4 4 4 4 26
SHIN-ETSU HANDOTAI CO., LTD. 7 5 5 6 3 26
HITACHI, LTD 3 5 13 2 0 23
NEC CORPORATION 12 9 2 0 0 23
TOSHIBA CORPORATION 6 8 1 2 5 22
HOYA CORPORATION 3 1 3 3 11 21
INTEL CORPORATION 1 6 1 4 9 21
LSI LOGIC CORPORATION 5 7 1 4 4 21
SEAGATE TECHNOLOGY, LLC 6 5 5 2 3 21
SONY CORPORATION 3 4 6 7 1 21
UNITED MICROELECTRONICS CORPORATION 8 4 5 2 2 21
UNOVA U.K. LIMITED 9 5 0 4 3 21
DISCO CORPORATION 4 6 3 5 2 20
REISHAUER AG 5 4 3 5 2 19
AGERE SYSTEMS GUARDIAN CORP. 6 12 0 0 0 18
FUJITSU LIMITED 4 3 4 3 4 18
ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC. 0 0 0 2 16 18
TDK CORPORATION 5 7 2 3 1 18
HILTI AKTIENGESELLSCHAFT 1 5 2 5 4 17
SAINT-GOBAIN ABRASIVES TECHNOLOGY COMPANY 0 4 4 5 4 17
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 8 2 3 1 1 15
HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. 0 0 1 3 11 15
INFINEON TECHNOLOGIES AG 1 4 1 7 2 15
AGERE SYSTEMS INC. 1 0 7 3 3 14
FLOW INTERNATIONAL CORPORATION 4 4 1 2 3 14
NSK LIMITED 1 3 4 3 3 14
SEIKO INSTRUMENTS INC. 2 2 1 9 0 14
MITSUBISHI MATERIALS CORPORATION 6 4 1 1 1 13
NIHON MICRO COATING CO., LTD. 3 2 1 4 3 13
PROMOS TECHNOLOGIES, INC. 5 2 1 5 0 13
TOYODA KOKI KABUSHIKI KAISHA 0 3 3 1 6 13
BEAVER CREEK CONCEPTS, INC. 3 3 3 3 0 12
CANON KABUSHIKI KAISHA 6 2 2 1 1 12
KONINKLIJKE PHILIPS ELECTRONICS N.V. 1 2 6 1 2 12
MOTOROLA, INC. 3 2 4 2 1 12
TEXAS INSTRUMENTS, INCORPORATED 0 2 3 4 3 12
CORNING INCORPORATED 2 2 2 3 2 11
NORITAKE CO., LTD. 2 2 1 5 1 11
GERBER COBURN OPTICAL, INC. 1 3 3 0 3 10
GLEASON WORKS 3 4 0 2 1 10
MURATA MANUFACTURING CO., LTD. 2 1 3 2 2 10
NUTOOL, INC. 0 3 4 2 1 10
RIKEN CORPORATION 1 4 4 1 0 10
VLSI TECHNOLOGY, INC. 6 4 0 0 0 10
ASM-NUTOOL, INC. 0 0 0 0 9 9
KABUSHIKI KAISHA TOPCON 1 1 2 4 1 9
MULTI PLANAR TECHNOLOGIES, INC. 0 0 6 0 3 9
NIKON CORPORATION 2 1 0 1 5 9
SPEEDFAM CO., LTD. 4 2 1 1 1 9
BAUSCH & LOMB, INC. 1 0 3 2 2 8
CYPRESS SEMICONDUCTOR CORP. 2 1 0 2 3 8
NORTON COMPANY 8 0 0 0 0 8
SEH AMERICA, INC. 2 2 1 3 0 8
BLACK & DECKER INC. 2 0 2 2 1 7
BOEING COMPANY 0 1 2 2 2 7
ERWIN JUNKER MASCHNINENFABRIK GMBH 1 2 1 1 2 7
EXTRUDE HOME CORPORATION 1 1 3 0 2 7
FUJIKOSHI MACHINERY CORPORATION 0 1 1 4 1 7
LUCENT TECHNOLOGIES INC. 5 2 0 0 0 7
MACRONIX INTERNATIONAL CO., LTD. 0 1 2 4 0 7
MEMC ELECTRONIC MATERIALS, INC. 2 4 0 1 0 7
MITSUBISHI DENKI KABUSHIKI KAISHA 2 0 3 2 0 7
MOSEL VITELIC, INCORPORATED 3 0 1 2 1 7
NAN YA TECHNOLOGY CORPORATION 0 0 1 4 2 7
NIPPEI TOYAMA CORPORATION 4 1 1 1 0 7
WACKER SILTRONIC GESELLSCHAFT FUR HALBLEITERMATERIALIEN AG 1 4 2 0 0 7
C. & E. FEIN GMBH & CO. 1 0 2 2 1 6
EASTMAN KODAK COMPANY 3 0 1 1 1 6
EHWA DIAMOND IND. CO., LTD. 1 0 3 0 2 6
ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE 2 0 2 1 1 6
JSR CORPORATION 0 0 1 1 4 6
LIDKOPING MACHINE TOOLS AB 3 3 0 0 0 6
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 1 1 2 0 6
NEC ELECTRONICS CORPORATION 0 0 3 2 1 6
QED TECHNOLOGIES, INC. 1 0 1 2 2 6
RAYTECH INNOVATIVE SOLUTIONS LLC 0 0 0 0 6 6
TOSOH CORPORATION 1 2 1 2 0 6
WERNICKE & CO. GMBH 2 1 1 0 2 6
XEROX CORPORATION 2 2 0 0 2 6
EDGECRAFT CORP. 1 0 0 1 3 5
FUJIKOSHI KIKAI KOGYO KABUSHIKI KAISHA 3 2 0 0 0 5
HAYES LEMMERZ INTERNATIONAL, INC. 2 0 0 1 2 5
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 0 0 2 1 5
LOH OPTIKMASCHINEN AG 1 1 1 2 0 5
NOVA MEASURING INSTRUMENTS, LTD. 0 2 0 2 1 5
NOVELLUS SYSTEMS, INC. 0 0 0 0 5 5
ORIOL INC. 0 0 2 1 2 5
RENESAS TECHNOLOGY CORPORATION 0 0 0 3 2 5
SAE MAGNETICS (H.K.) LTD. 0 0 1 2 2 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 1 1 1 1 5
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 1 2 0 0 2 5
SUMITOMO SPECIAL METAL COMPANY LIMITED 2 1 1 1 0 5


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