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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2007 - 2011 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 2007 2008 2009 2010 2011 Total
~INDIVIDUALLY OWNED PATENT 56 42 47 71 110 326
SIEMENS AUDIOLOGISCHE TECHNIK GMBH 21 16 20 34 22 113
PHONAK AG 17 17 15 20 29 98
SONY CORPORATION 14 11 11 31 30 97
YAMAHA CORPORATION 5 10 15 17 47 94
PANASONIC CORPORATION 0 4 26 12 51 93
PIONEER CORPORATION 12 16 12 17 18 75
HARMAN INTERNATIONAL INDUSTRIES, INC. 12 19 10 9 18 68
KABUSHIKI KAISHA AUDIO-TECHNICA 2 6 16 18 12 54
BOSE CORPORATION 7 10 7 3 24 51
SAMSUNG ELECTRONICS CO., LTD. 2 9 2 15 23 51
OTICON A/S 6 9 10 9 12 46
MICROSOFT CORPORATION 9 3 8 6 8 34
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 13 14 2 0 0 29
KNOWLES ELECTRONICS, LLC 6 7 1 6 6 26
KONINKLIJKE PHILIPS ELECTRONICS N.V. 4 5 6 7 4 26
WIDEX A/S 2 2 3 7 12 26
STARKEY LABS, INC. 5 4 2 6 8 25
TEXAS INSTRUMENTS, INCORPORATED 0 3 2 8 11 24
SONY ERICSSON MOBILE COMMUNICATIONS AB 2 2 7 4 8 23
FORTEMEDIA, INC. 2 0 4 6 10 22
PLANTRONICS INC 6 6 3 0 7 22
GN RESOUND AS 3 3 3 5 7 21
INSOUND MEDICAL, INC. 5 5 4 2 5 21
SONION NEDERLAND B.V. 6 2 1 6 5 20
TOSHIBA CORPORATION 1 2 0 6 11 20
APPLE, INC. 0 2 3 8 6 19
DOLBY LABORATORIES INC. 2 1 6 3 7 19
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 1 4 3 5 6 19
HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH 6 3 0 1 9 19
LG ELECTRONICS INC. 0 1 1 11 6 19
NOKIA CORPORATION 0 5 0 3 11 19
CREATIVE TECHNOLOGY LIMITED 9 2 1 2 4 18
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 3 3 1 2 9 18
SEIKO EPSON CORPORATION 0 0 3 4 11 18
ALPINE ELECTRONICS INC. 2 2 5 4 3 16
ETYMOTIC RESEARCH, INC. 6 1 4 3 2 16
CIRRUS LOGIC, INC. 1 0 5 5 3 14
CITIZEN ELECTRONICS CO., LTD. 4 3 2 5 0 14
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 3 2 2 2 5 14
BEIJING FUNATE INNOVATION TECHNOLOGY CO., LTD. 0 0 0 0 13 13
MOTOROLA, INC. 4 2 5 2 0 13
NEW TRANSDUCERS LIMITED 5 1 4 1 2 13
ONKYO CORPORATION 2 0 1 4 6 13
SENNHEISER ELECTRONIC GMBH & CO. KG 4 2 2 2 3 13
AMERICAN TECHNOLOGY CORPORATION 6 3 2 1 0 12
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 0 0 2 10 12
SRS LABS, INC. 1 0 4 3 4 12
BSE CO., LTD. 3 1 1 0 6 11
HON HAI PRECISION IND. CO., LTD. 0 0 5 1 5 11
HOSIDEN CORPORATION 2 2 2 1 4 11
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 2 3 4 11
NEC CORPORATION 1 2 1 5 2 11
ROBERT BOSCH GMBH 3 3 0 1 4 11
AGERE SYSTEMS INC. 2 0 2 4 2 10
CODING TECHNOLOGIES AB 0 1 1 0 8 10
ADVANCED BIONICS, LLC 0 0 3 2 4 9
AKG ACOUSTICS GMBH 2 1 2 2 2 9
CANON KABUSHIKI KAISHA 2 1 0 3 3 9
INTEL CORPORATION 3 1 3 1 1 9
LIFESIZE COMMUNICATIONS, INC. 0 0 1 4 4 9
MITSUBISHI DENKI KABUSHIKI KAISHA 1 3 2 2 1 9
PEAVEY ELECTRONICS CORP. 5 2 0 1 1 9
RESEARCH IN MOTION LIMITED 0 1 4 2 2 9
SIEMENS HEARING INSTRUMENTS, INC. 2 1 1 2 3 9
SONITUS MEDICAL, INC. 0 0 0 6 3 9
BERNAFON AG 0 1 5 1 1 8
BROADCOM CORPORATION 0 2 1 1 4 8
LOGITECH INTERNATIONAL, S.A. 0 0 1 1 6 8
OTOLOGICS LLC. 1 3 2 1 1 8
SONY COMPUTER ENTERTAINMENT INC. 0 1 1 3 3 8
THOMSON LICENSING 3 1 2 1 1 8
AT& T MOBILITY II LLC 0 1 1 3 2 7
CHI MEI COMMUNICATION SYSTEMS, INC. 0 0 0 0 7 7
COTRON CORPORATION 1 1 0 3 2 7
FREESCALE SEMICONDUCTOR, INC. 0 1 0 2 4 7
FUJITSU LIMITED 1 2 0 1 3 7
FUJITSU TEN LIMITED 2 0 1 1 3 7
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 0 0 1 5 7
MICRO EAR TECHNOLOGY, INC. 1 3 0 2 1 7
MITEL NETWORKS CORPORATION 1 1 2 2 1 7
NXP B.V. 1 0 2 2 2 7
POLYCOM, INC. 0 0 0 4 3 7
PSS BELGIUM, N.V. 3 1 2 1 0 7
STEP TECHNOLOGIES, INC. 4 1 2 0 0 7
ADAPTIVE TECHNOLOGIES, INC. 5 1 0 0 0 6
ANALOG DEVICES, INC. 0 0 0 2 4 6
AUDYSSEY LABORATORIES, INC. 0 0 1 2 3 6
GENERAL MOTORS LLC 0 0 0 3 3 6
HITACHI, LTD 1 0 1 3 1 6
HONEYWELL INTERNATIONAL INC. 2 0 0 2 2 6
LOGITECH EUROPE S.A. 1 3 1 0 1 6
NUANCE COMMUNICATIONS, INC. 0 0 0 2 4 6
REALTEK SEMICONDUCTOR CORPORATION 2 0 2 1 1 6
ROHM COMPANY LIMITED 1 2 0 1 2 6
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 1 0 1 2 6
SOUND DESIGN TECHNOLOGIES, LTD. 0 6 0 0 0 6
STAR MICRONICS CO., LTD. 0 3 1 2 0 6
THX LTD. 1 2 1 0 2 6
ABLE PLANET, INC. 0 1 0 1 3 5
CHENG UEI PRECISION INDUSTRY CO., LTD. 0 0 0 3 2 5
DTS, INC. 1 0 1 0 3 5
GENTEX CORPORATION 1 2 1 0 1 5
KSC INDUSTRIES, INC. 2 1 1 1 0 5
MERRY ELECTRONICS CO., LTD. 1 0 0 0 4 5
MOTOROLA-MOBILITY, INC. 0 0 0 0 5 5
NATIONAL SEMICONDUCTOR CORPORATION 2 0 0 1 2 5
SANYO ELECTRIC CO., LTD. 0 0 0 2 3 5
SIEMENS AKTIENGESELLSCHAFT 1 0 1 2 1 5
SONY DEUTSCHLAND GMBH 2 2 0 1 0 5
TOA KABUSHIKI KAISHA/TOA CORPORATION 0 1 1 2 1 5
ULTIMATE EARS, LLC 3 1 1 0 0 5
VICTOR COMPANY OF JAPAN, LIMITED 0 2 0 2 1 5
WOLFSON MICROELECTRONICS LIMITED 0 1 0 0 4 5


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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
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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Skip menu navigation Home > Listing of Viewable PTMT Reports > Table of Contents for This Set of Reports