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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 205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions

( 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 30 47 33 17 24 151
INTERNATIONAL BUSINESS MACHINES CORPORATION 11 12 13 3 3 42
APPLIED MATERIALS, INC. 1 5 7 11 11 35
SHIPLEY COMPANY INC. 2 2 3 10 12 29
CANON KABUSHIKI KAISHA 7 3 8 6 3 27
MOLTECH INVENT S.A. 4 3 8 7 5 27
NOVELLUS SYSTEMS, INC. 8 4 2 2 8 24
GENERAL ELECTRIC COMPANY 5 4 7 4 3 23
ALCOA INC. 2 6 8 5 1 22
SEMITOOL, INC. 1 5 5 7 4 22
ATOTECH DEUTSCHLAND GMBH 6 6 4 3 2 21
EBARA CORPORATION 3 1 3 6 6 19
BASF AKTIENGESELLSCHAFT 2 5 3 1 5 16
KEMET ELECTRONICS CORPORATION 3 4 5 2 2 16
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 3 2 2 4 5 16
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 4 4 3 3 2 16
NGK SPARK PLUG CO., LTD. 2 4 4 2 3 15
TECHNIC INC. 1 12 0 2 0 15
NUTOOL, INC. 0 2 6 2 4 14
PERMELEC ELECTRODE CO., LTD. 3 4 2 2 3 14
ADVANCED MICRO DEVICES, INC. 4 3 3 0 3 13
FUJI PHOTO FILM CO., LTD 2 3 2 2 4 13
LUCENT TECHNOLOGIES INC. 4 4 2 0 3 13
FARADAY TECHNOLOGY MARKETING GROUP, LLC 0 6 1 3 2 12
ROBERT BOSCH GMBH 1 4 3 3 1 12
CALIFORNIA INSTITUTE OF TECHNOLOGY 3 2 2 2 2 11
LIFESCAN, INC. 0 1 3 6 1 11
E. I. DU PONT DE NEMOURS AND COMPANY 4 3 1 0 2 10
EASTMAN KODAK COMPANY 2 6 1 1 0 10
MICRON TECHNOLOGY, INC. 2 1 1 4 2 10
MOTOROLA, INC. 0 2 2 3 2 9
NEC CORPORATION 2 2 4 0 1 9
NORTHWEST ALUMINUM TECHNOLOGIES 0 0 4 1 4 9
PROTON ENERGY SYSTEMS, INC. 1 1 3 3 1 9
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 0 2 1 2 4 9
THERASENSE, INC. 1 2 2 3 1 9
HONEYWELL INTERNATIONAL INC. 1 1 1 3 2 8
MITSUI MINING + SMELTING CO., LTD. 0 0 1 6 1 8
SIEMENS AKTIENGESELLSCHAFT 1 2 2 2 1 8
DENSO CORPORATION 2 1 1 2 1 7
ENTHONE INCORPORATED. 0 0 1 3 3 7
H2O TECHNOLOGIES, LTD. 1 3 3 0 0 7
LYNNTECH, INC. 0 2 3 0 2 7
TOSHIBA CORPORATION 1 1 1 0 4 7
3M INNOVATIVE PROPERTIES COMPANY 2 1 2 0 1 6
ADVANCED TECHNOLOGY MATERIALS, INC. 0 1 1 1 3 6
AGFA-GEVAERT N.V. 2 2 1 1 0 6
CANDESCENT TECHNOLOGIES CORPORATION 4 1 0 1 0 6
DELPHI TECHNOLOGIES, INC. 0 0 2 4 0 6
NGK INSULATORS LTD. 3 1 1 1 0 6
OUTOKUMPU OYJ 0 1 2 1 2 6
PACESETTER, INC. 0 4 0 0 2 6
U.S. FILTER CORPORATION 0 1 4 1 0 6
ALCAN INTERNATIONAL LIMITED 0 1 2 2 0 5
BAYER AKTIENGESELLSCHAFT 0 0 2 1 2 5
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 1 0 1 5
CUTEK RESEARCH, INC. 3 1 1 0 0 5
ECI TECHNOLOGY INC. 0 0 0 1 4 5
INTEL CORPORATION 1 0 1 1 2 5
JOHNS HOPKINS UNIVERSITY 0 2 1 1 1 5
MITSUBISHI DENKI KABUSHIKI KAISHA 0 1 1 1 2 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 3 0 2 0 5
MURATA MANUFACTURING CO., LTD. 0 0 3 1 1 5
SEAGATE TECHNOLOGY, LLC 0 2 1 1 1 5
SHINKO ELECTRIC INDUSTRIES CO., LTD. 0 1 2 0 2 5
SPEEDFAM-IPEC CORP. 1 0 1 1 2 5
UNITED STATES OF AMERICA, NAVY 0 1 0 1 3 5


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