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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 716, DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing)

( 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
INTERNATIONAL BUSINESS MACHINES CORPORATION 55 55 87 54 35 286
LSI LOGIC CORPORATION 38 38 59 50 41 226
CADENCE DESIGN SYSTEMS, INC. 4 12 30 37 75 158
XILINX, INC. 21 28 28 23 34 134
SUN MICROSYSTEMS, INC. 2 12 34 44 24 116
NEC CORPORATION 29 30 37 7 6 109
FUJITSU LIMITED 18 16 30 18 26 108
TOSHIBA CORPORATION 14 8 23 24 16 85
~Individually Owned Patent 14 19 23 19 10 85
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 10 22 23 19 9 83
SYNOPSYS INC. 12 21 15 7 24 79
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 26 25 27 78
INTEL CORPORATION 4 9 30 17 16 76
HITACHI, LTD 3 4 29 10 6 52
MITSUBISHI DENKI KABUSHIKI KAISHA 4 14 26 4 2 50
ADVANCED MICRO DEVICES, INC. 11 7 14 11 5 48
HEWLETT-PACKARD COMPANY 12 28 7 0 0 47
ALTERA CORPORATION 12 8 6 9 9 44
MICRON TECHNOLOGY, INC. 9 9 7 10 9 44
AGILENT TECHNOLOGIES, INC. 6 3 3 19 11 42
TEXAS INSTRUMENTS, INCORPORATED 4 9 12 8 7 40
NUMERICAL TECHNOLOGIES, INC. 0 4 14 18 3 39
RENESAS TECHNOLOGY CORPORATION 0 0 0 19 17 36
CYPRESS SEMICONDUCTOR CORP. 1 5 15 6 7 34
NEC ELECTRONICS CORPORATION 0 0 14 9 8 31
INFINEON TECHNOLOGIES AG 0 4 6 7 13 30
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD. 2 5 4 5 8 24
SYNPLICITY, INC. 1 3 7 6 4 21
MOTOROLA, INC. 4 8 5 2 0 19
SEIKO EPSON CORPORATION 1 3 5 4 3 16
LUCENT TECHNOLOGIES INC. 7 4 1 1 2 15
OKI ELECTRIC INDUSTRY CO., LTD. 1 2 4 3 5 15
SONY CORPORATION 4 2 4 4 1 15
MENTOR GRAPHICS CORPORATION 5 5 1 1 2 14
SEQUENCE DESIGN, INC. 1 1 5 6 1 14
UNISYS CORPORATION 1 1 3 4 5 14
MONTEREY DESIGN SYSTEMS, INC. 2 6 4 1 0 13
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 3 5 3 2 13
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 3 7 1 1 12
LATTICE SEMICONDUCTOR CORPORATION 0 2 2 4 3 11
MAGMA DESIGN AUTOMATION, INC. 2 2 3 1 3 11
SAMSUNG ELECTRONICS CO., LTD. 0 1 5 4 1 11
ARTISAN COMPONENTS, INC. 1 3 3 0 3 10
RESHAPE, INC. 0 0 5 2 3 10
ADVANTEST CORP. 1 4 2 0 1 8
SILICON GRAPHICS, INC. 1 2 3 2 0 8
AGERE SYSTEMS INC. 0 0 5 1 1 7
ASML MASKTOOLS NETHERLANDS B.V. 0 0 2 2 3 7
BROADCOM CORPORATION 0 0 0 2 5 7
DUPONT PHOTOMASKS, INC. 0 0 1 3 3 7
INTRINSITY, INC. 2 2 2 1 0 7
LOGICVISION, INC. 0 1 2 2 2 7
NATIONAL SEMICONDUCTOR CORPORATION 0 2 2 2 1 7
STMICROELECTRONICS, LTD. 0 2 3 2 0 7
VIA TECHNOLOGIES, INC. 0 2 1 1 3 7
AGERE SYSTEMS GUARDIAN CORP. 4 2 0 0 0 6
CONEXANT SYSTEMS, INC. 0 1 2 1 2 6
NEC USA, INC. 4 2 0 0 0 6
PDF SOLUTIONS, INC. 0 1 0 3 2 6
REAL INTENT, INC. 0 1 3 1 1 6
SIEMENS AKTIENGESELLSCHAFT 1 1 1 2 1 6
SYCON DESIGN, INC. 0 3 2 1 0 6
THARAS SYSTEMS INC. 0 2 3 1 0 6
UNITED MICROELECTRONICS CORPORATION 1 1 3 1 0 6
VLSI TECHNOLOGY, INC. 4 2 0 0 0 6
ACTEL CORPORATION, INC. 1 1 1 0 2 5
AVANT CORPORATION 2 2 1 0 0 5
BOEING COMPANY 0 1 1 2 1 5
CANON KABUSHIKI KAISHA 0 0 2 0 3 5
FREESCALE SEMICONDUCTOR, INC. 0 0 0 0 5 5
PHILIPS ELECTRONICS NORTH AMERICA CORP. 5 0 0 0 0 5
QUICKTURN DESIGN SYSTEMS, INC. 1 1 2 1 0 5
SANYO ELECTRIC CO., LTD. 0 1 1 3 0 5
SILICON PERSPECTIVE CORPORATION 2 1 2 0 0 5
STMICROELECTRONICS S.A. 1 2 0 1 1 5


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Alexandria VA 22313-1450

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