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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 422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing

( 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 89 93 90 94 95 461
HITACHI, LTD 7 8 9 7 10 41
BAYER CORPORATION 3 1 7 9 10 30
UOP 7 1 3 10 8 29
INSTITUT FRANCAIS DU PETROLE 6 4 7 7 4 28
ETHICON, INC. 2 1 7 8 9 27
BECTON, DICKINSON AND COMPANY 3 6 9 1 7 26
BIOMERIEUX VITEK, INC. 11 9 4 2 0 26
STERIS CORPORATION 7 12 2 5 0 26
JOHNSON & JOHNSON MEDICAL, INC. 3 11 3 4 1 22
CALIPER TECHNOLOGIES CORP. 0 4 5 3 9 21
NGK INSULATORS LTD. 4 4 2 3 6 19
MEDTRONIC INC. 3 4 3 1 5 16
MITSUBISHI DENKI KABUSHIKI KAISHA 3 2 3 4 2 14
NANOGEN, INC. 0 0 2 10 2 14
RAININ INSTRUMENT CO., INC. 4 1 1 6 2 14
TETRA LAVAL HOLDINGS & FINANCE S.A. 3 1 4 3 3 14
TOYOTA JIDOSHA K.K. 5 3 1 2 3 14
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 1 3 2 3 4 13
GENERAL MOTORS CORPORATION 3 3 7 0 0 13
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 3 3 3 2 13
EASTMAN KODAK COMPANY 2 8 2 0 0 12
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 3 5 1 2 1 12
MITSUBISHI JUKOGYO KABUSHIKI KAISHA 8 3 1 0 0 12
MOTOROLA, INC. 5 3 3 0 1 12
BAXTER INTERNATIONAL INC. 4 3 1 3 0 11
BAYER AKTIENGESELLSCHAFT 5 1 4 1 0 11
CORNING INCORPORATED 2 3 2 2 2 11
MINNESOTA MINING AND MANUFACTURING COMPANY 5 6 0 0 0 11
S. C. JOHNSON + SON, INC. 0 4 2 0 5 11
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1 2 3 2 2 10
3M INNOVATIVE PROPERTIES COMPANY 0 1 2 5 1 9
EBARA CORPORATION 1 0 4 0 4 9
ENGELHARD CORPORATION 3 1 1 2 2 9
FUJI PHOTO FILM CO., LTD 3 4 0 1 1 9
LIFESCAN, INC. 3 1 2 1 2 9
SIEMENS AKTIENGESELLSCHAFT 6 0 0 2 1 9
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. 1 3 2 1 1 8
SHELL OIL COMPANY 1 1 0 4 2 8
TOSOH CORPORATION 2 2 1 1 2 8
ABBOTT LABORATORIES 2 1 1 1 2 7
AGILENT TECHNOLOGIES, INC. 0 0 3 3 1 7
AURORA BIOSCIENCES CORPORATION 0 2 1 2 2 7
AVL MEDICAL INSTRUMENTS AG 1 3 2 1 0 7
BAUSCH & LOMB, INC. 0 4 1 1 1 7
BIOSITE DIAGNOSTICS, INC. 0 1 5 0 1 7
BOEHRINGER MANNHEIM G.M.B.H. 5 2 0 0 0 7
CHEVRON U.S.A. INC. 0 5 0 1 1 7
IGEN INTERNATIONAL, INC. 5 0 0 2 0 7
NISSAN MOTOR COMPANY, LIMITED 1 1 0 2 3 7
PERKIN-ELMER CORPORATION 3 1 3 0 0 7
PROCTER + GAMBLE COMPANY 1 1 1 2 2 7
ROCHE DIAGNOSTICS GMBH 0 0 2 2 3 7
SIEVERS INSTRUMENTS, INC. 3 2 0 2 0 7
TEKMAR COMPANY 0 3 1 2 1 7
TOSHIBA CORPORATION 0 1 0 5 1 7
WISCONSIN ALUMNI RESEARCH FOUNDATION 1 1 0 2 3 7
ALLERGAN, INC. 4 1 1 0 0 6
BABCOCK & WILCOX COMPANY 1 0 1 1 3 6
CARDIOVENTION, INC. 0 0 0 1 5 6
COULTER INTERNATIONAL CORP. 3 1 1 1 0 6
DELPHI TECHNOLOGIES, INC. 0 0 1 0 5 6
FORD GLOBAL TECHNOLOGIES, INC. 2 2 0 1 1 6
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 4 0 1 0 6
LJL BIOSYSTEMS INC. 2 0 1 2 1 6
MATRIX TECHNOLOGIES, CORP. 0 0 3 2 1 6
MITSUBISHI GAS-CHEMICAL COMPANY, INC. 1 2 1 1 1 6
MITSUBISHI HEAVY INDUSTRIES CO., LTD. 0 2 0 2 2 6
NALCO CHEMICAL COMPANY 1 0 0 3 2 6
PACKARD INSTRUMENT COMPANY, INC. 0 2 0 1 3 6
PRECISION SYSTEM SCIENCE CO., LTD. 0 1 2 2 1 6
ROCHE DIAGNOSTICS CORPORATION, INC. 0 1 2 0 3 6
SAMSUNG ELECTRONICS CO., LTD. 3 2 0 0 1 6
STERIL-AIRE U.S.A., INC. 1 1 0 3 1 6
UNIVERSITY OF WASHINGTON 1 2 1 1 1 6
UREA CASALE S.A. 1 1 1 1 2 6
ADVANCED TECHNOLOGY MATERIALS, INC. 0 0 1 3 1 5
AMERICAN STERILIZER COMPANY 2 3 0 0 0 5
BATTELLE MEMORIAL INSTITUTE 2 1 0 1 1 5
DAIMLER-BENZ AKTIENGESELLSCHAFT 1 4 0 0 0 5
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 1 0 2 2 5
EXXON RESEARCH + ENGINEERING CO. 0 3 0 2 0 5
HEWLETT-PACKARD COMPANY 3 1 1 0 0 5
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 2 1 0 1 5
HORIBA LTD. 2 0 2 1 0 5
INTERNATIONAL BUSINESS MACHINES CORPORATION 0 0 0 3 2 5
INTERNATIONAL FUEL CELLS, LLC 1 0 0 4 0 5
KIMBERLY-CLARK WORLDWIDE, INC. 0 3 1 0 1 5
KYOTO DAIICHI KAGAKU CO., LTD. 0 3 0 2 0 5
LRE TECHNOLOGY PARTNER GMBH 0 1 2 2 0 5
NEC CORPORATION 0 2 0 2 1 5
ORCHID BIOSCIENCES, INC. 0 0 0 0 5 5
RILEY MEDICAL INCORPORATED 1 1 2 1 0 5
ROBBINS SCIENTIFIC CORPORATION 0 1 2 0 2 5
SMITHKLINE BECKMAN CORPORATION 3 2 0 0 0 5
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 2 1 1 1 0 5
TERUMO CARDIOVASCULAR SYSTEMS CORPORATION 0 1 0 3 1 5
TEXAS INSTRUMENTS, INCORPORATED 0 1 3 1 0 5
TOA MEDICAL ELECTRONICS CO., LTD. 4 1 0 0 0 5
UNITED STATES OF AMERICA, ARMY 1 1 1 0 2 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 1 0 2 2 0 5
UNITED STATES OF AMERICA, NAVY 0 1 1 1 2 5
UNIVERSITY OF UTAH RESEARCH FOUNDATION 1 2 0 0 2 5


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