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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 204, Chemistry: Electrical and Wave Energy

( 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 36 36 56 66 43 237
APPLIED MATERIALS, INC. 11 22 31 50 43 157
INTERNATIONAL BUSINESS MACHINES CORPORATION 4 6 14 19 16 59
MICRON TECHNOLOGY, INC. 5 6 12 10 10 43
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 9 13 10 8 42
CALIPER TECHNOLOGIES CORP. 2 9 11 5 11 38
ROBERT BOSCH GMBH 8 5 5 10 7 35
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 11 10 4 7 34
HITACHI, LTD 7 6 6 7 6 32
TOKYO ELECTRON LIMITED 4 2 8 11 6 31
DENSO CORPORATION 3 4 6 7 8 28
CANON KABUSHIKI KAISHA 6 3 6 6 6 27
E. I. DU PONT DE NEMOURS AND COMPANY 1 11 4 2 8 26
NEC CORPORATION 5 4 6 5 5 25
ANELVA CORPORATION 3 4 8 4 5 24
NGK INSULATORS LTD. 0 5 6 8 4 23
NGK SPARK PLUG CO., LTD. 2 2 3 6 9 22
PPG INDUSTRIES OHIO INC. 0 2 12 5 3 22
SEMITOOL, INC. 0 2 2 11 6 21
SONY CORPORATION 4 4 5 3 4 20
ASAHI GLASS COMPANY, LTD. 3 5 2 2 6 18
HONEYWELL INTERNATIONAL INC. 0 0 2 7 8 17
NOVELLUS SYSTEMS, INC. 0 1 4 4 8 17
TOSHIBA CORPORATION 4 2 4 2 4 16
BIO-RAD LABORATORIES, INC. 4 5 4 0 2 15
SANDIA CORPORATION 0 3 5 5 2 15
ADVANCED MICRO DEVICES, INC. 2 1 2 3 6 14
PERKIN-ELMER CORPORATION 3 3 3 4 1 14
PERMELEC ELECTRODE CO., LTD. 2 4 5 3 0 14
ELTECH SYSTEMS CORPORATION 4 2 2 3 2 13
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 1 1 5 3 3 13
CVC PRODUCTS, INC. 1 1 6 2 2 12
DE NORA S.P.A. 4 1 4 2 1 12
EASTMAN KODAK COMPANY 4 1 4 2 1 12
EBARA CORPORATION 3 0 2 3 4 12
GENERAL ELECTRIC COMPANY 0 1 1 4 6 12
LEYBOLD SYSTEMS GMBH 0 1 5 5 1 12
BALZERS AKTIENGESELLSCHAFT 4 3 3 1 0 11
DELPHI TECHNOLOGIES, INC. 0 0 0 1 10 11
SARNOFF CORPORATION & CO., LTD. 1 6 2 2 0 11
FUJITSU LIMITED 2 1 7 0 0 10
LYNNTECH, INC. 0 1 4 4 1 10
MITSUBISHI DENKI KABUSHIKI KAISHA 3 3 3 0 1 10
MOLTECH INVENT S.A. 3 1 2 0 4 10
NIPPONDENSO CO., LTD. 7 2 0 1 0 10
UNITED TECHNOLOGIES CORPORATION 3 3 3 1 0 10
UNIVERSITY OF TEXAS 3 5 0 2 0 10
VISIBLE GENETICS INC. 0 3 5 2 0 10
3M INNOVATIVE PROPERTIES COMPANY 0 2 2 1 4 9
ARCHER-DANIELS-MIDLAND COMPANY 0 1 3 4 1 9
DRAGERWERK AKTIENGESELLSCHAFT 3 5 1 0 0 9
ELCORSY TECHNOLOGY INC. 0 4 2 2 1 9
LUCENT TECHNOLOGIES INC. 0 5 2 2 0 9
MOTOROLA, INC. 1 3 3 0 2 9
RIKEN CORPORATION 0 1 1 5 2 9
SEAGATE TECHNOLOGY, INCORPORATED 4 2 2 0 1 9
SIEMENS AKTIENGESELLSCHAFT 1 2 3 0 3 9
ACLARA BIOSCIENCES, INC. 0 3 3 2 0 8
ADVANCED ENERGY INDUSTRIES, INC. 1 2 2 2 1 8
BASF CORP. 0 1 2 4 1 8
BAYER AKTIENGESELLSCHAFT 1 0 3 3 1 8
BRITISH NUCLEAR FUELS PLC 2 2 1 1 2 8
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANTEN FORSCHUNG E.V. 0 0 4 2 2 8
HOSHIZAKI DENKI KABUSHIKI KAISHA 3 2 1 1 1 8
ROCHE DIAGNOSTICS CORPORATION, INC. 0 1 0 3 4 8
SPECTRUMEDIX CORPORATION 0 2 2 1 3 8
CHIRON DIAGNOSTICS CORPORATION 5 2 0 0 0 7
HERAEUS ELECTRO-NITE INTERNATIONAL N.V. 1 2 1 1 2 7
LOCKHEED MARTIN ENERGY RESEARCH CORPORATION 0 2 5 0 0 7
NIPPON PAINT CO., LTD. 0 0 3 2 2 7
SEAGATE TECHNOLOGY, LLC 0 0 0 3 4 7
TDK CORPORATION 0 1 1 3 2 7
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 0 1 3 1 7
4 WAVE, INC. 0 0 0 0 6 6
ALPS ELECTRIC CO., LTD. 1 0 2 2 1 6
BALZERS UND LEYBOLD DEUTSCHLAND HOLDING AG 2 2 0 2 0 6
BATTELLE MEMORIAL INSTITUTE 2 3 1 0 0 6
JAPAN ENERGY CORPORATION 3 0 2 1 0 6
NANOGEN, INC. 0 0 3 2 1 6
NIHON SHINKU GIJUTSU KABUSHIKI KAISHA 2 0 0 3 1 6
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 0 2 0 0 4 6
SHIMADZU CORPORATION 0 0 4 1 1 6
SMITHKLINE BECKMAN CORPORATION 1 5 0 0 0 6
UNIVERSITY OF TENNESSEE RESEARCH CORPORATION 1 1 3 0 1 6
USF FILTRATION AND SEPARATIONS GROUP INC. 0 1 0 3 2 6
AGILENT TECHNOLOGIES, INC. 0 0 0 3 2 5
ALCAN INTERNATIONAL LIMITED 0 1 1 1 2 5
ALCOA INC. 0 0 2 1 2 5
BOC GROUP, INC. 2 0 1 1 1 5
CHLORINE ENGINEERS CORP., LTD. 0 3 0 2 0 5
CURAGEN CORPORATION 0 2 1 1 1 5
DADE BEHRING INC. 0 3 1 0 1 5
ELF ATOCHEM S.A. 0 2 2 0 1 5
GRADIPORE LIMITED 0 1 0 1 3 5
GRT, INC. 0 1 2 2 0 5
HOEFER PHARMACIA BIOTECH, INC. 2 1 2 0 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 2 2 0 1 5
KOBE STEEL LTD. 3 0 1 1 0 5
KOMAG, INC. 1 2 2 0 0 5
LARGE SCALE PROTEOMICS CORP. 0 0 0 0 5 5
NOVEX 0 1 4 0 0 5
NUTOOL, INC. 0 0 0 1 4 5
ORGANO CORPORATION 1 0 0 3 1 5
ORION RESEARCH INC. 2 0 3 0 0 5
PRAXAIR TECHNOLOGY, INC. 0 1 1 3 0 5
PRINCETON UNIVERSITY 0 2 1 2 0 5
PROCESS AUTOMATION INT'L LTD. 0 0 0 5 0 5
SACHEM, INC. 1 3 1 0 0 5
SAMSUNG ELECTRONICS CO., LTD. 1 0 3 1 0 5
SENDX MEDICAL, INC. 1 1 2 1 0 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 1 1 0 5
STUART ENERGY SYSTEMS CORPORATION 0 0 1 1 3 5
U.S. PHILIPS CORPORATION 1 2 1 1 0 5


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