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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 323, Electricity: Power Supply or Regulation Systems

( 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
TEXAS INSTRUMENTS, INCORPORATED 9 11 10 22 18 70
~Individually Owned Patent 11 16 18 5 8 58
INTEL CORPORATION 8 12 14 13 6 53
STMICROELECTRONICS S.R.L. 10 15 13 10 2 50
NATIONAL SEMICONDUCTOR CORPORATION 9 12 3 13 10 47
LINEAR TECHNOLOGY CORPORATION 12 3 4 7 7 33
MITSUBISHI DENKI KABUSHIKI KAISHA 8 11 6 4 2 31
FUJITSU LIMITED 7 10 3 5 5 30
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 8 11 10 29
SIEMENS AKTIENGESELLSCHAFT 18 2 6 2 1 29
INFINEON TECHNOLOGIES AG 3 3 3 6 10 25
STMICROELECTRONICS S.A. 4 4 9 5 3 25
NEC CORPORATION 9 4 7 4 0 24
INTERNATIONAL BUSINESS MACHINES CORPORATION 5 6 6 1 3 21
SEIKO INSTRUMENTS INC. 3 5 4 2 5 19
VOLTERRA SEMICONDUCTOR CORPORATION 3 6 6 3 1 19
MICRON TECHNOLOGY, INC. 3 3 2 3 7 18
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 0 3 8 3 4 18
MOTOROLA, INC. 4 4 3 3 2 16
U.S. PHILIPS CORPORATION 8 7 1 0 0 16
LUCENT TECHNOLOGIES INC. 9 6 0 0 0 15
ROHM COMPANY LIMITED 1 2 5 4 3 15
SEMTECH CORPORATION 3 1 8 2 1 15
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 2 6 2 1 3 14
INTERSIL AMERICAS INC. 0 0 1 1 10 12
POWER INTEGRATIONS, INC. 0 1 1 3 7 12
SAMSUNG ELECTRONICS CO., LTD. 1 3 2 4 2 12
ANALOG DEVICES, INC. 2 5 3 0 1 11
PRIMARION, INC. 0 0 2 5 4 11
ROBERT BOSCH GMBH 2 4 2 2 1 11
TOSHIBA CORPORATION 4 3 3 1 0 11
DENSO CORPORATION 1 2 3 3 1 10
MAXIM INTEGRATED PRODUCTS, INC. 2 2 6 0 0 10
CHAMPION MICROELECTRONIC CORP. 0 0 3 4 2 9
HEWLETT-PACKARD COMPANY 4 3 2 0 0 9
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 1 0 2 2 4 9
SONY CORPORATION 2 4 0 1 2 9
ASEA BROWN BOVERI AB 2 2 2 0 2 8
CANON KABUSHIKI KAISHA 2 1 4 0 1 8
OKI ELECTRIC INDUSTRY CO., LTD. 1 2 2 1 2 8
RICOH COMPANY, LTD. 3 1 2 1 1 8
SEIKO EPSON CORPORATION 0 1 4 2 1 8
DELTA ELECTRONICS INC. 2 1 1 2 1 7
GENERAL ELECTRIC COMPANY 0 2 2 3 0 7
HITACHI, LTD 0 0 4 2 1 7
HONEYWELL INTERNATIONAL INC. 1 3 2 1 0 7
INTERNATIONAL RECTIFIER CORPORATION 1 0 0 1 5 7
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 3 2 2 0 0 7
CYPRESS SEMICONDUCTOR CORP. 1 1 2 2 0 6
DELL PRODUCTS, L.P. 3 1 0 1 1 6
FAIRCHILD SEMICONDUCTOR CORPORATION 2 1 0 2 1 6
MICREL INCORPORATED 1 2 1 1 1 6
TDK CORPORATION 0 1 1 1 3 6
TECHNICAL WITTS, INC. 0 3 0 2 1 6
YAZAKI CORP. 1 1 1 2 1 6
AMI SEMICONDUCTOR, INC. 0 0 2 2 1 5
FUJI ELECTRIC CO., LTD. 1 3 1 0 0 5
INTERSIL CORPORATION, INC. 0 3 0 1 1 5
ITT MANUFACTURING ENTERPRISES, INC. 1 0 0 1 3 5
LSI LOGIC CORPORATION 2 3 0 0 0 5
SGS-THOMSON MICROELECTRONICS S.A. 4 1 0 0 0 5
SIGMATEL INC. 1 2 2 0 0 5
SUN MICROSYSTEMS, INC. 1 0 1 1 2 5


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