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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 423, Chemistry of Inorganic Compounds

( 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 24 40 35 36 24 159
ENGELHARD CORPORATION 6 7 11 7 8 39
INSTITUT FRANCAIS DU PETROLE 9 6 5 10 6 36
CHEVRON U.S.A. INC. 6 3 8 10 8 35
BASF AKTIENGESELLSCHAFT 10 7 3 7 4 31
DEGUSSA AKTIENGESELLSCHAFT 3 3 6 8 7 27
UOP 4 4 5 5 7 25
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH 1 1 4 4 13 23
HALDOR TOPSOE A/S 5 2 5 5 5 22
PRAXAIR TECHNOLOGY, INC. 6 4 3 5 4 22
SHOWA DENKO KABUSHIKI KAISHA 4 3 4 5 6 22
DEGUSSA-HUELS AKTIENGESELLSCHAFT 9 4 7 0 0 20
AIR PRODUCTS AND CHEMICALS, INC. 6 6 2 2 3 19
CABOT CORPORATION 4 2 7 3 3 19
MITSUBISHI HEAVY INDUSTRIES, LTD. 2 3 5 9 0 19
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 5 2 4 5 3 19
SUMITOMO CHEMICAL COMPANY, LIMITED 5 3 0 4 6 18
AKZO NOBEL NV 1 3 3 6 3 16
BAYER AKTIENGESELLSCHAFT 4 2 5 2 3 16
BOC GROUP, INC. 4 2 3 4 2 15
BATTELLE MEMORIAL INSTITUTE 1 2 1 6 4 14
E. I. DU PONT DE NEMOURS AND COMPANY 1 8 3 2 0 14
FMC CORPORATION 3 4 4 3 0 14
FORD GLOBAL TECHNOLOGIES, INC. 7 3 2 2 0 14
WILLIAM MARSH RICE UNIVERSITY 0 2 1 1 10 14
AGENCY OF INDUSTRIAL SCIENCE & TECHNOLOGY 3 6 1 2 1 13
SHIN-ETSU HANDOTAI CO., LTD. 3 3 2 4 1 13
SIEMENS AKTIENGESELLSCHAFT 1 2 5 3 2 13
TOYOTA JIDOSHA K.K. 5 0 5 2 1 13
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 0 4 3 2 4 13
EXXONMOBIL CHEMICAL PATENTS INC. 0 2 1 3 6 12
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 1 4 0 7 12
RHODIA CHIMIE 1 2 7 1 1 12
COMMISSARIAT A L'ENERGIE ATOMIQUE 1 3 1 3 3 11
CORNING INCORPORATED 1 3 1 4 2 11
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 3 4 1 3 0 11
MICHIGAN STATE UNIVERSITY 2 1 1 3 4 11
NATIONAL SCIENCE COUNCIL 3 3 4 0 0 10
THE BOC GROUP PLC 1 1 4 4 0 10
TOSOH CORPORATION 3 3 1 1 2 10
DOWA MINING CO., LTD. 3 4 1 0 1 9
EXXON MOBIL OIL CORPORATION 0 2 2 4 1 9
GENERAL ELECTRIC COMPANY 1 1 1 2 4 9
GENERAL MOTORS CORPORATION 0 1 0 3 5 9
METALLGESELLSCHAFT AKTIENGESELLSCHAFT 3 2 2 2 0 9
XCELLSIS GMBH 0 6 3 0 0 9
ASAHI GLASS COMPANY, LTD. 1 2 1 1 3 8
CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS 1 0 2 3 2 8
DELPHI TECHNOLOGIES, INC. 0 0 3 4 1 8
EASTMAN KODAK COMPANY 2 1 1 2 2 8
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 4 0 4 8
GOLDENDALE ALUMINUM COMPANY 1 6 1 0 0 8
IMPERIAL CHEMICAL INDUSTRIES PLC 1 3 2 2 0 8
NIPPON SHOKUBAI CO., LTD. 4 0 0 3 1 8
SHELL OIL COMPANY 2 2 1 1 2 8
SOLVAY FLUOR UND DERIVATE GMBH 1 2 2 2 1 8
ATOFINA 0 0 3 3 1 7
CALIFORNIA INSTITUTE OF TECHNOLOGY 1 1 2 1 2 7
EBARA CORPORATION 1 0 2 2 2 7
EXXON RESEARCH + ENGINEERING CO. 6 1 0 0 0 7
HITACHI, LTD 3 1 1 2 0 7
ICT CO., LTD. 0 4 0 2 1 7
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 3 2 1 0 7
MITSUI MINING + SMELTING CO., LTD. 3 0 1 1 2 7
NANOGRAM CORPORATION 3 0 2 1 1 7
SHIN ETSU CHEMICAL CO., LTD. 0 0 1 1 5 7
SOLVAY (SOCIETE ANONYME) 0 3 1 2 1 7
ABB LUMMUS GLOBAL INC. 0 0 2 1 3 6
ALLIED-SIGNAL INC. 1 4 1 0 0 6
BRITISH NUCLEAR FUELS PLC 1 0 4 1 0 6
CONOCOPHILLIPS COMPANY 0 0 0 0 6 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 3 2 1 0 0 6
DMC2 DEGUSSA METALS CATALYSTS CERDEC AG 0 0 1 2 3 6
ELF ATOCHEM S.A. 2 2 2 0 0 6
ELF EXPLORATION PRODUCTION 3 1 2 0 0 6
HYPERION CATALYSIS INTERNATIONAL, INC. 0 2 2 0 2 6
KANSAI ELECTRIC POWER CO. INC. 2 1 1 1 1 6
KAWASAKI JUKOGYO KABUSHIKI KAISHA 0 3 1 1 1 6
KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY 2 0 1 2 1 6
MARSULEX ENVIRONMENTAL TECHNOLOGIES, LLC 1 4 0 0 1 6
MITSUBISHI CHEMICAL CORPORATION 4 1 1 0 0 6
MITSUBISHI GAS-CHEMICAL COMPANY, INC. 2 1 0 2 1 6
NGK INSULATORS LTD. 3 1 0 2 0 6
NIPPON PILLAR PACKING CO. LTD. 3 3 0 0 0 6
TODA KOGYO CORP. 1 0 2 2 1 6
UT-BATTELLE, LLC 0 1 2 2 1 6
W.C. HERAEUS GMBH & CO. KG 0 0 4 2 0 6
ADVANCED TECHNOLOGY MATERIALS, INC. 1 0 2 1 1 5
DOW CHEMICAL COMPANY 4 1 0 0 0 5
HENKEL CORPORATION 2 3 0 0 0 5
INTEVEP, S.A. 2 1 2 0 0 5
JAPAN PIONICS CO., LTD. 0 1 0 2 2 5
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 0 2 0 3 0 5
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 0 1 0 1 3 5
MOBIL OIL CORP. 5 0 0 0 0 5
NIPPON SANSO K.K. 1 0 3 1 0 5
NORSK HYDRO ASA 1 0 2 1 1 5
OSRAM SYLVANIA INC. 2 0 1 1 1 5
PHILLIPS PETROLEUM COMPANY 0 1 3 1 0 5
RHONE-POULENC CHIMIE 1 2 1 0 1 5
ROHM AND HAAS COMPANY 0 2 1 1 1 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 3 0 0 0 2 5
UNIVERSITY OF CHICAGO 0 1 0 2 2 5
WEST VIRGINIA UNIVERSITY 0 1 1 2 1 5


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