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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 134, Cleaning and Liquid Contact with Solids

( 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 98 79 82 74 48 381
TOKYO ELECTRON LIMITED 16 18 17 18 15 84
APPLIED MATERIALS, INC. 14 14 19 13 17 77
MICRON TECHNOLOGY, INC. 12 11 12 14 5 54
INTERNATIONAL BUSINESS MACHINES CORPORATION 5 8 13 11 11 48
LAM RESEARCH CORPORATION 7 8 9 11 10 45
SEMITOOL, INC. 4 8 13 9 11 45
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 4 9 8 10 10 41
GENERAL ELECTRIC COMPANY 1 3 8 13 8 33
SAMSUNG ELECTRONICS CO., LTD. 6 4 4 4 6 24
MITSUBISHI DENKI KABUSHIKI KAISHA 5 9 5 2 0 21
ADVANCED MICRO DEVICES, INC. 5 2 9 4 0 20
PROCTER + GAMBLE COMPANY 4 2 4 4 6 20
ECOLAB INC. 1 4 4 5 3 17
TOSHIBA CORPORATION 5 3 4 2 3 17
UNITED MICROELECTRONICS CORPORATION 3 2 5 4 3 17
CANON KABUSHIKI KAISHA 1 5 3 6 1 16
STEAG MICROTECH GMBH 2 6 3 3 2 16
MICELL TECHNOLOGIES, INC. 1 1 0 9 2 13
TEXAS INSTRUMENTS, INCORPORATED 2 3 5 1 2 13
WHIRLPOOL CORPORATION 2 1 6 2 2 13
DAINIPPON SCREEN MFG. CO., LTD. 3 4 3 0 2 12
NEC CORPORATION 3 3 5 1 0 12
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 3 0 3 4 1 11
EBARA CORPORATION 2 2 2 3 2 11
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 1 2 2 4 2 11
FUJI PHOTO FILM CO., LTD 0 3 1 4 2 10
MAYTAG CORPORATION 0 2 3 2 3 10
STERIS INC. 0 0 1 7 1 9
UNITED STATES OF AMERICA, NAVY 0 1 2 3 3 9
FSI INTERNATIONAL, INC. 3 3 1 0 1 8
INTEL CORPORATION 0 0 1 4 3 8
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 6 2 0 0 8
NOVELLUS SYSTEMS, INC. 0 1 1 1 5 8
VERTEQ, INC. 1 1 2 0 4 8
CHEMFREE CORPORATION 4 1 2 0 0 7
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN(HENKEL KGAA) 0 0 2 3 2 7
MACRONIX INTERNATIONAL CO., LTD. 0 0 2 3 2 7
SONY CORPORATION 1 1 2 1 2 7
BOSCH SIEMENS HAUSGERATE GMBH 0 1 1 3 1 6
CFMT, INC. 3 1 1 1 0 6
DANIELI TECHNOLOGY, INC. 0 3 2 1 0 6
HENKEL-ECOLAB GMBH & CO. OHG 0 0 0 3 3 6
HITACHI, LTD 2 1 1 2 0 6
MEMC ELECTRONIC MATERIALS, INC. 1 3 1 1 0 6
MOTOROLA, INC. 1 1 2 1 1 6
S.E.S. COMPANY LIMITED 0 0 0 1 5 6
SIEMENS AKTIENGESELLSCHAFT 0 3 1 1 1 6
SPEEDFAM-IPEC CORP. 3 1 2 0 0 6
UNILEVER HOME & PERSONAL CARE USA, DIVISION OF CONOPCO, INC. 0 0 3 1 2 6
3M INNOVATIVE PROPERTIES COMPANY 1 0 2 1 1 5
ALPS ELECTRIC CO., LTD. 1 1 0 3 0 5
BASF AKTIENGESELLSCHAFT 0 1 2 2 0 5
BAYER AKTIENGESELLSCHAFT 0 2 2 1 0 5
BRAUN GMBH 0 2 1 1 1 5
DELAWARE CAPITAL FORMATION, INC. 0 0 1 3 1 5
DIVERSEY LEVER, INC. 1 0 4 0 0 5
ETHICON, INC. 1 0 4 0 0 5
HENKEL CORPORATION 0 2 2 0 1 5
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 1 4 0 5
LSI LOGIC CORPORATION 0 2 1 1 1 5
RICOH COMPANY, LTD. 3 0 1 1 0 5
SEAGATE TECHNOLOGY, LLC 0 2 0 3 0 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 1 2 1 0 5


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