Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports


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 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 1998 1999 2000 2001 2002 Total
~Individually Owned Patent 75 120 98 78 82 453
TOKYO ELECTRON LIMITED 8 19 16 18 17 78
APPLIED MATERIALS, INC. 5 6 14 14 19 58
MICRON TECHNOLOGY, INC. 4 10 12 11 12 49
INTERNATIONAL BUSINESS MACHINES CORPORATION 6 15 5 8 13 47
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 5 11 4 9 8 37
SAMSUNG ELECTRONICS CO., LTD. 3 11 6 4 4 28
SEMITOOL, INC. 1 2 4 8 13 28
LAM RESEARCH CORPORATION 0 2 7 8 9 26
GENERAL ELECTRIC COMPANY 8 5 1 3 8 25
TOSHIBA CORPORATION 9 4 5 3 4 25
MITSUBISHI DENKI KABUSHIKI KAISHA 2 1 5 9 5 22
ADVANCED MICRO DEVICES, INC. 1 3 5 2 9 20
TEXAS INSTRUMENTS, INCORPORATED 6 3 2 3 5 19
DAINIPPON SCREEN MFG. CO., LTD. 2 6 3 4 3 18
PROCTER + GAMBLE COMPANY 2 6 4 2 4 18
WHIRLPOOL CORPORATION 5 4 2 1 6 18
ECOLAB INC. 2 6 1 4 4 17
NEC CORPORATION 2 2 3 3 5 15
STEAG MICROTECH GMBH 0 4 2 6 3 15
LUCENT TECHNOLOGIES INC. 3 7 2 2 0 14
CANON KABUSHIKI KAISHA 2 1 1 5 3 12
DIVERSEY LEVER, INC. 4 3 1 0 4 12
FSI INTERNATIONAL, INC. 3 2 3 3 1 12
HENKEL CORPORATION 4 4 0 2 2 12
UNITED MICROELECTRONICS CORPORATION 0 2 3 2 5 12
MAYTAG CORPORATION 3 3 0 2 3 11
EBARA CORPORATION 1 2 2 2 2 9
LG SEMICON CO., LTD. 6 3 0 0 0 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 1 0 6 2 9
MEMC ELECTRONIC MATERIALS, INC. 2 2 1 3 1 9
SIEMENS AKTIENGESELLSCHAFT 2 3 0 3 1 9
YIELDUP INTERNATIONAL 2 7 0 0 0 9
CHEMFREE CORPORATION 0 1 4 1 2 8
EZ ENVIRONMENTAL SOLUTIONS CORPORATION 2 2 2 1 1 8
HITACHI, LTD 2 2 2 1 1 8
ANDRITZ-PATENTVERWALTUNGS-GESELLSCHAFT M.B.H. 3 0 0 2 2 7
BASF CORP. 1 5 0 1 0 7
CHURCH + DWIGHT CO., INC. 3 4 0 0 0 7
EASTMAN KODAK COMPANY 3 3 1 0 0 7
FUJITSU LIMITED 2 2 2 1 0 7
ONTRAK SYSTEMS, INC. 3 3 1 0 0 7
PREMARK FEG L.L.C. 3 3 0 1 0 7
SONY CORPORATION 2 1 1 1 2 7
SPEEDFAM-IPEC CORP. 0 1 3 1 2 7
STERIS CORPORATION 2 2 1 1 1 7
VERTEQ, INC. 0 3 1 1 2 7
ALCON LABORATORIES, INC. 0 4 1 1 0 6
CFMT, INC. 0 1 3 1 1 6
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD 0 0 3 0 3 6
FISHER + PAYKEL LIMITED 4 0 0 2 0 6
RICOH COMPANY, LTD. 2 0 3 0 1 6
SEH AMERICA, INC. 1 2 2 1 0 6
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 2 1 1 2 6
SPEEDFAM CLEAN SYSTEM COMPANY LIMITED 4 1 1 0 0 6
UNITED STATES OF AMERICA, NAVY 0 3 0 1 2 6
VOITH SULZER PAPIERMASCHINEN GMBH 0 2 3 1 0 6
WHITE CONSOLIDATED INDUSTRIES, INC. 4 1 1 0 0 6
XOMED SURGICAL PRODUCTS, INC. 0 2 2 2 0 6
AIR PRODUCTS AND CHEMICALS, INC. 1 3 1 0 0 5
ASHLAND INC. 1 3 1 0 0 5
DANIELI TECHNOLOGY, INC. 0 0 0 3 2 5
ECO-SNOW SYSTEMS, INC. 3 1 1 0 0 5
ETHICON, INC. 0 0 1 0 4 5
H.E.R.C. PRODUCTS INCORPORATED 1 2 1 0 1 5
INTERUNIVERSITAIR MICRO-ELECTRONICA CENTRUM, VZW 0 0 1 2 2 5
MOTOROLA, INC. 0 1 1 1 2 5
SHIN-ETSU HANDOTAI CO., LTD. 1 2 0 1 1 5
T.C.A., INC. 1 2 1 0 1 5
U.S. PHILIPS CORPORATION 2 0 2 1 0 5


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
PK3- Suite 441; P.O Box 1450
Alexandria VA 22313

tel: (703) 306-2600
fax: (703) 306-2737
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


Top

Skip menu navigation Home > PTMD Home > PTMD Listing of Viewable Reports > Table of Contents for This Set of Reports