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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 1969 - 2010 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 051, Abrasive Tool Making Process, Material, or Composition

( 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 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Total
~INDIVIDUALLY OWNED PATENT 2 3 3 4 3 6 4 11 10 6 5 9 11 2 3 3 7 5 5 7 11 11 11 14 18 7 8 5 14 3 4 6 4 5 4 3 2 2 3 2 0 1 247
MINNESOTA MINING AND MANUFACTURING COMPANY 0 4 2 0 0 0 1 0 2 3 0 2 1 2 0 1 3 2 2 6 9 4 7 12 14 12 16 32 24 15 12 1 1 0 0 0 0 0 0 0 0 0 190
NORTON COMPANY 2 7 5 3 2 1 13 4 7 4 3 3 1 3 2 3 3 4 4 1 2 6 13 15 9 3 6 9 6 8 9 7 6 0 0 0 0 0 0 0 0 0 174
3M INNOVATIVE PROPERTIES COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 8 16 8 19 11 7 3 11 7 12 0 106
GENERAL ELECTRIC COMPANY 1 2 2 1 4 3 4 1 2 1 4 7 8 3 5 5 5 1 3 4 5 5 4 4 6 2 2 1 3 0 0 1 0 2 1 1 0 0 0 0 0 0 103
SHOWA DENKO KABUSHIKI KAISHA 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 1 4 1 0 2 1 1 0 2 1 1 1 2 5 3 1 0 3 0 2 0 1 36
FUJIMI INCORPORATED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3 3 2 5 1 1 3 0 2 1 22
GTE LABORATORIES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 9 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 21
CARBORUNDUM COMPANY 2 3 1 1 0 1 0 0 0 3 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
KAO KABUSHIKI KAISHA (KAO CORPORATION) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2 2 1 2 1 2 0 2 2 15
SAINT-GOBAIN ABRASIVES TECHNOLOGY COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 2 6 0 0 0 1 1 0 15
SMITH INTERNATIONAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 1 2 0 1 1 0 0 2 0 0 2 1 0 0 0 1 0 0 0 1 1 15
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 3 2 2 1 0 0 1 1 0 2 0 0 0 0 0 0 0 0 0 15
MITSUI MINING + SMELTING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 2 3 4 0 1 0 0 0 14
RODEL HOLDINGS INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 4 4 0 0 0 0 0 0 14
CABOT MICROELECTRONICS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 2 1 0 2 0 3 1 12
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 2 2 2 0 0 0 0 0 0 11
TYROLIT SCHLEIFMITTELWERKE SWAROVSKI K.G. 0 0 0 0 0 0 0 0 2 0 0 0 2 0 2 0 1 1 0 0 0 0 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 11
DUPONT AIR PRODUCTS NANOMATERIALS LLC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 4 1 1 2 0 10
SAINT GOBAIN/NORTON INDUSTRIAL CERAMICS CORP. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 3 1 2 1 0 0 0 0 0 0 0 0 0 0 0 10
CHURCH + DWIGHT CO., INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 2 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 9
E. I. DU PONT DE NEMOURS AND COMPANY 1 1 2 2 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
FUJI PHOTO FILM CO., LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 1 0 4 1 0 0 0 0 0 0 0 0 0 0 0 0 9
J. M. HUBER CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 1 0 0 0 0 9
KENNAMETAL INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 1 2 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 9
NISSAN CHEMICAL INDUSTRIES, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 3 0 2 1 0 0 0 1 0 9
NORITAKE CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 2 2 0 1 1 0 0 1 0 9
DOW CHEMICAL COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 8
FERRO-CORPORATION 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 8
SAINT-GOBAIN ABRASIVES, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2 0 1 0 2 2 8
TOSHIBA CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 8
CINCINNATI MILACRON INC. 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
HITACHI, LTD 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 7
INTEL CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 2 0 0 3 0 0 0 7
JSR CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 1 0 1 0 7
MITSUBISHI MATERIALS CORPORATION 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 0 0 0 0 1 0 1 0 7
ADVANCED TECHNOLOGY MATERIALS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 1 0 1 6
CARBORUNDUM ABRASIVES COMPANY 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
COLGATE-PALMOLIVE COMPANY 0 0 1 0 1 1 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
DEGUSSA AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 4 0 0 0 0 0 0 6
HITACHI CHEMICAL COMPANY, LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 0 2 6
NGK SPARK PLUG CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
NIHON MICRO COATING CO., LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 1 1 6
SAINT-GOBAIN INDUSTRIAL CERAMICS, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 3 1 0 0 0 0 0 0 0 0 6
SANDVIK AKTIEBOLAG 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 6
HOECHST AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
LONZA LTD. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
MICRON TECHNOLOGY, INC. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 1 0 0 0 5
REMINGTON ARMS COMPANY INC. 0 0 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
SUMITOMO CHEMICAL COMPANY, LIMITED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 5
TREIBACHER CHEMISCHE WERKE AKTIENGESELLSCHAFT 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
U.S. INDUSTRIES, INC. 0 2 0 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
UNITED TECHNOLOGIES CORPORATION 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5


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