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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 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 25 27 30 47 33 162
INTERNATIONAL BUSINESS MACHINES CORPORATION 4 7 11 12 13 47
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 12 4 4 3 24
CANON KABUSHIKI KAISHA 1 3 7 3 8 22
ATOTECH DEUTSCHLAND GMBH 2 1 6 6 4 19
GENERAL ELECTRIC COMPANY 1 2 5 4 7 19
MOLTECH INVENT S.A. 0 4 4 3 8 19
KEMET ELECTRONICS CORPORATION 2 2 3 4 5 16
BASF AKTIENGESELLSCHAFT 1 4 2 5 3 15
LUCENT TECHNOLOGIES INC. 4 1 4 4 2 15
ADVANCED MICRO DEVICES, INC. 0 4 4 3 3 14
NGK SPARK PLUG CO., LTD. 0 4 2 4 4 14
NOVELLUS SYSTEMS, INC. 0 0 8 4 2 14
TECHNIC INC. 1 0 1 12 0 14
ALCOA INC. 0 0 0 5 8 13
E. I. DU PONT DE NEMOURS AND COMPANY 1 4 4 3 1 13
SEMITOOL, INC. 0 2 1 5 5 13
APPLIED MATERIALS, INC. 0 0 1 4 7 12
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 3 3 2 3 12
ROBERT BOSCH GMBH 3 1 1 4 3 12
EASTMAN KODAK COMPANY 1 1 2 6 1 11
NEC CORPORATION 2 1 2 2 4 11
PERMELEC ELECTRODE CO., LTD. 1 1 3 4 2 11
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. 1 2 3 2 2 10
LYNNTECH, INC. 1 4 0 2 3 10
U.S. PHILIPS CORPORATION 5 2 0 3 0 10
EBARA CORPORATION 1 1 3 1 3 9
FUJI PHOTO FILM CO., LTD 2 0 2 3 2 9
H.SUB.2 O TECHNOLOGIES, LTD. 1 1 1 3 3 9
NGK INSULATORS LTD. 2 2 3 1 1 9
SACHEM, INC. 4 2 1 2 0 9
SHIPLEY COMPANY INC. 1 1 2 2 3 9
AGFA-GEVAERT N.V. 2 1 2 2 1 8
CANDESCENT TECHNOLOGIES CORPORATION 1 2 4 1 0 8
NUTOOL, INC. 0 0 0 2 6 8
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 1 2 1 1 7
DE NORA S.P.A. 1 3 3 0 0 7
ENTHONE-OMI, INC. 3 0 3 1 0 7
FARADAY TECHNOLOGY MARKETING GROUP, LLC 0 0 0 6 1 7
GOULD ELECTRONICS INC. 2 3 2 0 0 7
MOTOROLA, INC. 2 1 0 2 2 7
TOSHIBA CORPORATION 0 4 1 1 1 7
BAYER AKTIENGESELLSCHAFT 0 4 0 0 2 6
CUTEK RESEARCH, INC. 0 1 3 1 1 6
DENSO CORPORATION 1 1 2 1 1 6
ELTECH SYSTEMS CORPORATION 4 0 1 0 1 6
EXXON RESEARCH + ENGINEERING CO. 0 5 0 1 0 6
FORSCHUNGSZENTRUM JULICH GMBH 1 1 0 2 2 6
MICRON TECHNOLOGY, INC. 0 2 2 1 1 6
PROTON ENERGY SYSTEMS, INC. 0 1 1 1 3 6
XEROX CORPORATION 2 3 0 0 1 6
3M INNOVATIVE PROPERTIES COMPANY 0 0 2 1 2 5
ALUMINUM COMPANY OF AMERICA 0 2 2 1 0 5
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. 1 2 1 0 1 5
HERAEUS ELECTRO-NITE INTERNATIONAL N.V. 1 1 0 2 1 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 1 2 1 1 5
KAWASAKI STEEL CORPORATION 1 2 2 0 0 5
NATIONAL SCIENCE COUNCIL 1 1 1 1 1 5
SIEMENS AKTIENGESELLSCHAFT 0 0 1 2 2 5
THERASENSE, INC. 0 0 1 2 2 5
U.S. FILTER CORPORATION 0 0 0 1 4 5
USF FILTRATION AND SEPARATIONS GROUP INC. 0 2 0 3 0 5


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