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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 381, Electrical Audio Signal Processing Systems and Devices

( 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 68 52 70 56 42 288
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 13 15 32 13 14 87
PIONEER CORPORATION 13 9 17 12 16 67
SONY CORPORATION 16 12 14 14 11 67
PHONAK AG 10 5 17 17 17 66
SIEMENS AUDIOLOGISCHE TECHNIK GMBH 5 7 15 21 16 64
HARMAN INTERNATIONAL INDUSTRIES, INC. 5 3 15 12 19 54
KONINKLIJKE PHILIPS ELECTRONICS N.V. 15 10 13 4 5 47
YAMAHA CORPORATION 8 2 8 5 10 33
BOSE CORPORATION 8 2 5 7 10 32
CITIZEN ELECTRONICS CO., LTD. 10 4 5 4 3 26
NEW TRANSDUCERS LIMITED 7 6 6 5 1 25
OTICON A/S 3 1 6 6 9 25
PLANTRONICS INC 3 2 7 6 6 24
CREATIVE TECHNOLOGY LIMITED 5 5 2 9 2 23
KNOWLES ELECTRONICS, LLC 3 0 7 6 7 23
MICROSOFT CORPORATION 0 0 10 9 3 22
ETYMOTIC RESEARCH, INC. 6 1 6 6 1 20
GN RESOUND AS 5 5 3 3 3 19
MOTOROLA, INC. 2 1 10 4 2 19
WIDEX A/S 9 2 4 2 2 19
AMERICAN TECHNOLOGY CORPORATION 2 3 3 6 3 17
FUJITSU LIMITED 8 0 6 1 2 17
SAMSUNG ELECTRONICS CO., LTD. 3 0 3 2 9 17
KABUSHIKI KAISHA AUDIO-TECHNICA 1 2 5 2 6 16
STAR MICRONICS CO., LTD. 8 4 1 0 3 16
INSOUND MEDICAL, INC. 1 3 1 5 5 15
MITSUBISHI DENKI KABUSHIKI KAISHA 4 3 4 1 3 15
SIEMENS VDO AUTOMOTIVE, INC. 1 6 7 1 0 15
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 2 3 4 3 2 14
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 3 4 3 3 14
TEXAS INSTRUMENTS, INCORPORATED 6 3 2 0 3 14
SONION NEDERLAND B.V. 0 1 4 6 2 13
THOMSON LICENSING S.A. 5 2 2 3 1 13
ALPINE ELECTRONICS INC. 2 3 3 2 2 12
HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH 0 0 3 6 3 12
AGERE SYSTEMS INC. 1 1 7 2 0 11
FUJITSU TEN LIMITED 3 1 5 2 0 11
MURATA MANUFACTURING CO., LTD. 3 4 2 0 2 11
SONIONMICROTRONIC NEDERLAND B.V. 2 2 5 1 1 11
STARKEY LABS, INC. 2 0 0 5 4 11
STEP TECHNOLOGIES, INC. 0 2 4 4 1 11
ADAPTIVE TECHNOLOGIES, INC. 0 2 2 5 1 10
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 2 5 1 1 10
NOKIA CORPORATION 0 2 3 0 5 10
AKG ACOUSTICS GMBH 1 2 3 2 1 9
PEAVEY ELECTRONICS CORP. 1 0 1 5 2 9
SENNHEISER ELECTRONIC GMBH & CO. KG 1 1 1 4 2 9
ADVANCED BIONICS CORPORATION 2 1 3 2 0 8
DOLBY LABORATORIES INC. 1 2 2 2 1 8
GN RESOUND NORTH AMERICA CORPORATION 2 0 4 2 0 8
NEC CORPORATION 3 1 1 1 2 8
ROBERT BOSCH GMBH 2 0 0 3 3 8
SANYO ELECTRIC CO., LTD. 3 2 3 0 0 8
SARNOFF CORPORATION 0 1 5 1 1 8
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 1 1 0 1 4 7
GENTEX CORPORATION 0 1 3 1 2 7
LEAR CORPORATION 2 0 3 2 0 7
LOGITECH EUROPE S.A. 1 1 1 1 3 7
MICRO EAR TECHNOLOGY, INC. 1 1 1 1 3 7
ROHM COMPANY LIMITED 1 1 2 1 2 7
SIEMENS HEARING INSTRUMENTS, INC. 2 0 2 2 1 7
SONY ERICSSON MOBILE COMMUNICATIONS AB 0 0 3 2 2 7
BRITANNIA INVESTMENT CORPORATION 1 1 2 2 0 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 3 0 3 0 6
GENNUM CORPORATION 0 1 2 3 0 6
INTEL CORPORATION 1 0 1 3 1 6
OTOLOGICS LLC. 1 1 0 1 3 6
PIONEER ELECTRONIC CORPORATION 1 1 3 1 0 6
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 1 3 1 0 6
SONIC INNOVATIONS, INC. 3 0 1 1 1 6
SONY DEUTSCHLAND GMBH 0 0 2 2 2 6
SOUND DESIGN TECHNOLOGIES, LTD. 0 0 0 0 6 6
TEMCO JAPAN CO., LTD. 1 2 2 1 0 6
APPLE COMPUTER, INC. 0 0 3 0 2 5
BOSTON ACOUSTICS, INC. 1 0 1 3 0 5
BSE CO., LTD. 1 0 0 3 1 5
FORD GLOBAL TECHNOLOGIES, L.L.C. 1 0 2 1 1 5
FOSTER ELECTRIC CO., LTD. 1 2 0 2 0 5
LAKE TECHNOLOGY LIMITED 4 0 1 0 0 5
MINEBEA KABUSHIKI-KAISHA (MINEBEA CO., LTD) 1 2 2 0 0 5
MULTI SERVICE CORPORATION 1 1 1 1 1 5
NOKIA MOBILE PHONES LTD. 3 1 1 0 0 5
SHURE INCORPORATED 2 0 1 2 0 5
SIEMENS AKTIENGESELLSCHAFT 1 1 2 1 0 5
TAIWAN CAROL ELECTRONICS CO., LTD. 0 1 1 2 1 5
TELEFONAKTIEBOLAGET LM ERICSSON 3 2 0 0 0 5
TOSHIBA CORPORATION 1 1 0 1 2 5
UNITED STATES OF AMERICA, NAVY 2 2 0 0 1 5
VISTEON GLOBAL TECHNOLOGIES, INC. 1 3 0 1 0 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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


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