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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 216, Etching a Substrate: Processes

( 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
INTERNATIONAL BUSINESS MACHINES CORPORATION 20 16 17 12 9 74
APPLIED MATERIALS, INC. 5 12 10 17 21 65
MICRON TECHNOLOGY, INC. 7 6 12 7 16 48
~Individually Owned Patent 10 7 5 4 11 37
SILVERBROOK RESEARCH PTY. LTD 0 0 0 29 4 33
CANON KABUSHIKI KAISHA 1 4 6 8 7 26
LAM RESEARCH CORPORATION 4 5 5 8 1 23
HITACHI, LTD 6 8 3 3 2 22
FUJITSU LIMITED 4 6 6 3 2 21
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 5 4 6 0 3 18
NEC CORPORATION 4 1 5 1 4 15
LUCENT TECHNOLOGIES INC. 7 4 2 1 0 14
MOTOROLA, INC. 3 1 4 2 4 14
XEROX CORPORATION 5 1 4 2 1 13
ADVANCED MICRO DEVICES, INC. 0 1 4 4 3 12
HEADWAY TECHNOLOGIES, INC. 0 3 2 3 4 12
HEWLETT-PACKARD COMPANY 3 2 3 0 4 12
SONY CORPORATION 4 4 1 0 3 12
TEXAS INSTRUMENTS, INCORPORATED 7 2 0 0 3 12
TOKYO ELECTRON LIMITED 3 2 2 2 3 12
EASTMAN KODAK COMPANY 3 1 2 5 0 11
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 3 4 1 1 2 11
LG SEMICON CO., LTD. 3 4 3 0 0 10
SAMSUNG ELECTRONICS CO., LTD. 2 2 3 1 2 10
SEIKO EPSON CORPORATION 2 1 2 1 4 10
SANDIA CORPORATION 2 0 2 3 2 9
TOSHIBA CORPORATION 4 0 2 1 2 9
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 1 1 3 2 2 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 3 3 2 0 0 8
SHIN-ETSU HANDOTAI CO., LTD. 2 3 2 0 1 8
UNITED MICROELECTRONICS CORPORATION 0 1 2 3 2 8
ROBERT BOSCH GMBH 0 0 2 4 1 7
SIEMENS AKTIENGESELLSCHAFT 3 2 1 0 1 7
TDK CORPORATION 1 0 0 2 4 7
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 2 0 1 1 6
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 2 1 1 2 0 6
SEAGATE TECHNOLOGY, INCORPORATED 2 3 1 0 0 6
AGERE SYSTEMS GUARDIAN CORP. 0 0 0 3 2 5
ANELVA CORPORATION 0 3 1 0 1 5
BOEING COMPANY 0 1 1 2 1 5
CALIFORNIA INSTITUTE OF TECHNOLOGY, INC. 0 1 2 0 2 5
CYPRESS SEMICONDUCTOR CORP. 0 1 1 1 2 5
GENERAL ELECTRIC COMPANY 1 0 0 3 1 5
HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. 2 1 1 0 1 5
MITSUBISHI DENKI KABUSHIKI KAISHA 1 2 0 1 1 5
MOSEL VITELIC, INCORPORATED 2 0 0 1 2 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 2 0 0 5
VISTEON GLOBAL TECHNOLOGIES, INC. 0 0 0 3 2 5
W. L. GORE & ASSSOCIATES, INC. 2 3 0 0 0 5


PTMD Contacts

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U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
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Alexandria VA 22313

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

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