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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 331, Oscillators

( 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
TEXAS INSTRUMENTS, INCORPORATED 6 11 17 15 6 55
INTEL CORPORATION 5 6 8 8 20 47
BROADCOM CORPORATION 3 5 12 11 15 46
INTERNATIONAL BUSINESS MACHINES CORPORATION 6 4 15 9 11 45
MURATA MANUFACTURING CO., LTD. 5 12 9 12 5 43
CYPRESS SEMICONDUCTOR CORP. 13 5 11 10 2 41
INFINEON TECHNOLOGIES AG 3 2 11 8 10 34
NEC CORPORATION 9 11 5 2 5 32
NDK, NIHON DEMPA KOGYO COMPANY, LTD. 1 3 2 17 6 29
SEIKO EPSON CORPORATION 2 4 5 6 8 25
FUJITSU LIMITED 5 4 9 5 1 24
~Individually Owned Patent 6 2 5 5 5 23
KONINKLIJKE PHILIPS ELECTRONICS N.V. 1 4 6 8 3 22
TELEFONAKTIEBOLAGET LM ERICSSON 7 3 6 1 5 22
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 5 6 5 3 2 21
OKI ELECTRIC INDUSTRY CO., LTD. 5 2 5 4 5 21
MOTOROLA, INC. 9 4 1 6 0 20
ALPS ELECTRIC CO., LTD. 5 5 6 2 1 19
CTS CORPORATION 1 2 12 2 1 18
LSI LOGIC CORPORATION 7 0 3 6 2 18
MITSUBISHI DENKI KABUSHIKI KAISHA 8 1 4 3 1 17
NATIONAL SEMICONDUCTOR CORPORATION 3 0 6 2 6 17
SAMSUNG ELECTRONICS CO., LTD. 3 3 4 5 2 17
AGERE SYSTEMS INC. 2 0 3 6 4 15
AGERE SYSTEMS GUARDIAN CORP. 9 5 0 0 0 14
TOSHIBA CORPORATION 4 4 2 3 1 14
XILINX, INC. 3 4 3 2 2 14
NOKIA CORPORATION 0 0 6 4 3 13
SILICON LABORATORIES INC. 3 2 1 5 2 13
NEC ELECTRONICS CORPORATION 0 0 3 5 4 12
NIPPON PRECISION CIRCUITS INC. 3 2 3 4 0 12
SANYO ELECTRIC CO., LTD. 1 3 4 2 2 12
APPLIED MICRO CIRCUITS CORPORATION 1 1 5 2 2 11
CONEXANT SYSTEMS, INC. 7 2 1 0 1 11
LUCENT TECHNOLOGIES INC. 8 0 1 0 2 11
MICRON TECHNOLOGY, INC. 3 2 2 4 0 11
SKYWORKS SOLUTIONS, INC. 0 0 2 6 3 11
ANALOG DEVICES, INC. 0 1 5 3 1 10
ERICSSON, INC. 4 5 0 1 0 10
QUALCOMM, INC. 1 1 2 2 4 10
SIEMENS AKTIENGESELLSCHAFT 2 1 1 2 4 10
SONY CORPORATION 2 4 2 2 0 10
NORTEL NETWORKS LIMITED 7 1 0 1 0 9
SUN MICROSYSTEMS, INC. 2 2 0 5 0 9
AGILENT TECHNOLOGIES, INC. 0 1 3 1 3 8
RENESAS TECHNOLOGY CORPORATION 0 0 0 5 3 8
STMICROELECTRONICS S.A. 0 1 1 2 4 8
STMICROELECTRONICS, INC. 2 0 1 1 4 8
THOMSON LICENSING S.A. 3 1 2 1 1 8
U.S. PHILIPS CORPORATION 7 1 0 0 0 8
STMICROELECTRONICS S.R.L. 0 2 1 2 2 7
HITACHI, LTD 1 0 2 1 2 6
HONEYWELL INTERNATIONAL INC. 1 1 2 0 2 6
LATTICE SEMICONDUCTOR CORPORATION 0 2 2 1 1 6
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 0 1 3 1 6
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 2 1 0 6
TOYO COMMUNICATION EQUIPMENT CO., LTD. 2 0 0 2 2 6
ADVANCED MICRO DEVICES, INC. 1 1 0 3 0 5
ALCATEL 1 1 1 0 2 5
BERKANA WIRELESS, INC. 0 0 0 3 2 5
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 1 1 0 3 5
CIRRUS LOGIC, INC. 1 1 1 2 0 5
CITIZEN WATCH CO., LTD. 2 0 1 2 0 5
DENSO CORPORATION 1 1 2 1 0 5
ETA SA FABRIQUES D'EBAUCHES OF GRANGES 0 0 1 2 2 5
FREESCALE SEMICONDUCTOR, INC. 0 0 0 5 0 5
MARVELL INTERNATIONAL LTD. 0 1 0 3 1 5
NORTHROP GRUMMAN CORPORATION 0 1 3 1 0 5
RF MICRO DEVICES, INC. 0 0 0 4 1 5
ROCKWELL COLLINS, INC. 0 3 1 0 1 5
SILICON IMAGE, INC. 0 1 0 1 3 5
SILICON WAVE, INC. 5 0 0 0 0 5
TEKTRONIX INC. 0 3 1 0 1 5


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