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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 93 95 86 62 56 392
UOP 10 8 12 11 6 47
ETHICON, INC. 8 9 13 5 5 40
HITACHI, LTD 7 10 4 13 6 40
DELPHI TECHNOLOGIES, INC. 0 5 5 10 12 32
INSTITUT FRANCAIS DU PETROLE 7 4 3 3 7 24
BAYER CORPORATION 9 10 2 0 2 23
NGK INSULATORS LTD. 3 6 5 2 5 21
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 2 5 5 6 21
AGILENT TECHNOLOGIES, INC. 3 1 3 8 5 20
SYMYX TECHNOLOGIES, INC. 0 3 5 6 6 20
3M INNOVATIVE PROPERTIES COMPANY 5 1 4 5 4 19
BECTON, DICKINSON AND COMPANY 1 7 7 2 2 19
NANOGEN, INC. 10 2 4 2 1 19
THEROX, INC. 1 2 8 3 5 19
CALIPER TECHNOLOGIES CORP. 3 9 3 2 0 17
ROCHE DIAGNOSTICS GMBH 2 3 7 1 3 16
STERIS INC. 0 2 5 3 6 16
EMITEC GESELLSCHAFT FUR EMISSIONSTECHNOLOGIE MBH 3 4 4 4 0 15
SHELL OIL COMPANY 4 2 1 6 2 15
LIFESCAN, INC. 1 2 4 1 6 14
MITSUBISHI HEAVY INDUSTRIES, LTD. 2 2 6 2 2 14
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 0 1 4 6 2 13
S. C. JOHNSON + SON, INC. 0 5 6 2 0 13
GENERAL ELECTRIC COMPANY 0 2 7 3 0 12
MEDTRONIC INC. 1 5 4 2 0 12
MITSUBISHI DENKI KABUSHIKI KAISHA 4 2 2 0 4 12
SHARPER IMAGE CORPORATION 0 2 3 1 6 12
TETRA LAVAL HOLDINGS & FINANCE S.A. 3 3 2 3 1 12
TOYOTA JIDOSHA K.K. 2 3 1 4 2 12
BASF AKTIENGESELLSCHAFT 1 2 3 2 3 11
BAXTER INTERNATIONAL INC. 3 0 6 2 0 11
CARDIOVENTION, INC. 1 5 1 3 1 11
TOSHIBA CORPORATION 5 1 1 2 2 11
ACCENTUS PLC 1 2 3 2 2 10
APPLERA CORPORATION 0 1 1 2 6 10
BECKMAN COULTER, INC. 0 0 3 5 2 10
CORNING INCORPORATED 2 2 2 2 2 10
EBARA CORPORATION 0 4 1 1 4 10
NISSAN MOTOR COMPANY, LIMITED 2 3 1 3 1 10
PROCTER + GAMBLE COMPANY 2 2 2 3 1 10
TECAN TRADING AG 1 2 4 0 3 10
BALLARD POWER SYSTEMS AG 0 0 0 5 4 9
GEN-PROBE INCORPORATED 1 0 2 3 3 9
HONEYWELL INTERNATIONAL INC. 1 2 1 2 3 9
INTERNATIONAL BUSINESS MACHINES CORPORATION 3 2 2 2 0 9
SHIMADZU CORPORATION 1 2 1 5 0 9
UNITED STATES OF AMERICA, NAVY 1 2 1 4 1 9
WISCONSIN ALUMNI RESEARCH FOUNDATION 2 3 1 3 0 9
ABBOTT LABORATORIES 1 2 4 1 0 8
BABCOCK & WILCOX COMPANY 1 3 0 0 4 8
CALIFORNIA INSTITUTE OF TECHNOLOGY 1 1 2 3 1 8
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 2 1 0 3 8
RAININ INSTRUMENT CO., INC. 6 2 0 0 0 8
STERIS CORPORATION 5 0 2 1 0 8
VARIAN, INC. 0 3 1 3 1 8
ADVANCED TECHNOLOGY MATERIALS, INC. 3 1 2 1 0 7
BAYER AKTIENGESELLSCHAFT 1 0 3 2 1 7
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 0 0 3 2 2 7
FUJI PHOTO FILM CO., LTD 1 1 2 3 0 7
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 2 1 3 1 0 7
ROCHE DIAGNOSTICS CORPORATION, INC. 0 3 2 2 0 7
SYSMEX CORPORATION 1 2 0 4 0 7
UNIVERSITY OF WASHINGTON 1 1 3 1 1 7
UREA CASALE S.A. 1 2 0 3 1 7
ASHLAND INC. 0 3 1 0 2 6
AURORA BIOSCIENCES CORPORATION 2 2 1 1 0 6
CEPHEID 0 1 2 2 1 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 2 2 0 0 2 6
JOHNSON & JOHNSON MEDICAL, INC. 4 1 1 0 0 6
MATRIX TECHNOLOGIES, CORP. 2 1 1 0 2 6
METHANOL CASALE, S.A. 1 0 0 0 5 6
ORCHID BIOSCIENCES, INC. 0 5 1 0 0 6
PACKARD INSTRUMENT COMPANY, INC. 1 3 2 0 0 6
ROBERT BOSCH GMBH 1 2 1 0 2 6
ABB LUMMUS GLOBAL INC. 1 0 2 2 0 5
BATTELLE MEMORIAL INSTITUTE 1 1 2 1 0 5
BAUSCH & LOMB, INC. 1 1 0 3 0 5
CABOT CORPORATION 0 3 1 0 1 5
CANON KABUSHIKI KAISHA 0 0 2 3 0 5
CLEARANT, INC. 0 1 1 1 2 5
COSMED GROUP, INC. 0 2 0 2 1 5
DAIHATSU MOTOR COMPANY LIMITED 0 1 1 2 1 5
DENSO CORPORATION 1 1 0 1 2 5
DISCOVERY PARTNERS INTERNATIONAL, INC. 1 2 1 1 0 5
ESCREEN, INC. 0 1 2 1 1 5
EXXONMOBIL CHEMICAL PATENTS INC. 0 1 1 1 2 5
GENERAL MOTORS CORPORATION 0 0 2 1 2 5
KYOTO DAIICHI KAGAKU CO., LTD. 2 0 2 0 1 5
LEICA MICROSYSTEMS NUSSLOCH GMBH 0 0 1 2 2 5
LJL BIOSYSTEMS INC. 2 1 0 0 2 5
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 1 0 1 2 5
MINNTECH CORPORATION 0 0 2 2 1 5
NALCO CHEMICAL COMPANY 3 2 0 0 0 5
PRECISION SYSTEM SCIENCE CO., LTD. 2 1 1 1 0 5
RECKITT BENCKISER (UK) LIMITED 0 1 0 4 0 5
SIEMENS AKTIENGESELLSCHAFT 2 1 2 0 0 5
STERIL-AIRE U.S.A., INC. 3 1 1 0 0 5
TERUMO CARDIOVASCULAR SYSTEMS CORPORATION 3 1 0 1 0 5
UNITED STATES OF AMERICA, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 2 0 1 1 1 5
UTC FUEL CELLS, LLC 0 0 2 3 0 5
VENTANA MEDICAL SYSTEMS, INC. 1 2 0 2 0 5
XEROX CORPORATION 0 0 2 2 1 5


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Electronic Information Products Division - PTMB
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Alexandria VA 22313-1450

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