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

Patenting In Technology Classes,
Breakout By Organization

Count of 2011 - 2015 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 2011 2012 2013 2014 2015 Total
~INDIVIDUALLY OWNED PATENT 110 174 117 104 140 645
SONY CORPORATION 30 98 47 57 49 281
SAMSUNG ELECTRONICS CO., LTD. 23 63 54 48 70 258
PANASONIC CORPORATION 51 65 55 48 3 222
YAMAHA CORPORATION 47 68 39 33 29 216
BOSE CORPORATION 24 56 33 30 70 213
APPLE, INC. 6 34 37 39 59 175
SIEMENS MEDICAL INSTRUMENTS PTE. LTD. 4 72 47 38 9 170
STARKEY LABORATORIES, INC. 8 16 26 52 57 159
KABUSHIKI KAISHA AUDIO-TECHNICA 12 31 34 31 25 133
OTICON A/S 12 25 20 26 26 109
SIEMENS AUDIOLOGISCHE TECHNIK GMBH 22 62 18 5 0 107
PHONAK AG 29 17 30 20 8 104
HARMAN INTERNATIONAL INDUSTRIES, INC. 18 29 13 14 28 102
WIDEX A/S 12 14 13 19 16 74
COCHLEAR LIMITED 3 7 20 21 20 71
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 6 17 11 20 15 69
DOLBY LABORATORIES LICENSING CORPORATION 7 8 10 15 28 68
LG ELECTRONICS INC. 6 21 18 15 4 64
HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH 9 19 14 10 11 63
QUALCOMM, INC. 5 8 6 14 28 61
TOSHIBA CORPORATION 11 11 14 11 11 58
NOKIA CORPORATION 11 17 7 14 7 56
TSINGHUA UNIVERSITY 0 12 21 17 5 55
SENNHEISER ELECTRONIC GMBH & CO. KG 3 14 13 11 12 53
MICROSOFT CORPORATION 8 23 12 8 1 52
GN RESOUND AS 7 7 10 15 12 51
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD 0 6 8 21 15 50
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 0 0 0 0 50 50
PIONEER CORPORATION 18 20 3 5 4 50
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 10 17 11 3 3 44
CREATIVE TECHNOLOGY, LTD. 4 14 11 6 8 43
ROBERT BOSCH GMBH 4 5 5 14 14 42
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 9 13 4 7 8 41
GOOGLE, INC. 0 6 4 7 23 40
TEXAS INSTRUMENTS, INCORPORATED 11 8 5 6 10 40
FUJITSU LIMITED 3 9 7 7 12 38
BEIJING FUNATE INNOVATION TECHNOLOGY CO., LTD. 13 17 6 1 0 37
BLACKBERRY LIMITED 0 0 5 16 16 37
PLANTRONICS INC 7 6 13 3 8 37
NXP B.V. 2 2 6 16 10 36
CIRRUS LOGIC, INC. 3 3 1 3 25 35
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 5 18 9 3 0 35
KONINKLIJKE PHILIPS N.V. 0 0 11 11 13 35
AUDIENCE, INC. 0 6 8 13 7 34
NUANCE COMMUNICATIONS, INC. 4 14 3 6 6 33
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 0 6 9 8 9 32
FORTEMEDIA, INC. 10 14 3 3 2 32
FUNAI ELECTRIC CO., LTD. 3 9 9 7 4 32
KNOWLES ELECTRONICS, LLC 6 4 6 7 9 32
INVENSENSE INC. 0 0 0 11 20 31
SONION NEDERLAND B.V. 5 9 5 5 7 31
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 5 10 3 7 3 28
BROADCOM CORPORATION 4 6 2 5 10 27
CANON KABUSHIKI KAISHA 3 7 4 4 9 27
DOLBY INTERNATIONAL AB 1 4 3 6 13 27
HON HAI PRECISION IND. CO., LTD. 5 4 8 3 7 27
NEC CORPORATION 2 7 7 5 6 27
PERSONICS HOLDINGS INC. 1 15 8 2 1 27
SONY ERICSSON MOBILE COMMUNICATIONS AB 8 19 0 0 0 27
SONITUS MEDICAL, INC. 3 9 6 6 2 26
ALIPHCOM, INC. 1 4 8 7 5 25
HTC CORPORATION 2 2 6 10 5 25
INTERNATIONAL BUSINESS MACHINES CORPORATION 4 10 1 4 6 25
ONKYO CORPORATION 6 4 5 3 7 25
ANALOG DEVICES, INC. 4 8 10 0 2 24
KONINKLIJKE PHILIPS ELECTRONICS N.V. 4 17 3 0 0 24
WOLFSON MICROELECTRONICS LIMITED 4 6 2 11 0 23
SONOS, INC. 0 0 0 3 19 22
CHI MEI COMMUNICATION SYSTEMS, INC. 7 10 1 0 3 21
MOTOROLA-MOBILITY, INC. 5 6 6 4 0 21
ADVANCED BIONICS AG 1 0 1 8 10 20
GN NETCOM A/S 0 2 5 6 7 20
KYOCERA CORPORATION 0 2 1 2 15 20
NOKIA TECHNOLOGIES OY 0 0 0 0 20 20
SEIKO EPSON CORPORATION 11 2 5 1 1 20
INFINEON TECHNOLOGIES AG 1 1 5 3 9 19
SANYO ELECTRIC CO., LTD. 3 6 7 3 0 19
MERRY ELECTRONICS CO., LTD. 4 5 4 3 2 18
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC 1 6 2 2 7 18
CONEXANT SYSTEMS, INC. 0 2 5 4 6 17
HOSIDEN CORPORATION 4 7 3 2 1 17
INSOUND MEDICAL, INC. 5 2 4 4 2 17
RESEARCH IN MOTION LIMITED 2 12 3 0 0 17
WISTRON CORPORATION 1 1 4 3 8 17
ALPINE ELECTRONICS INC. 3 4 5 1 3 16
CHENG UEI PRECISION INDUSTRY CO., LTD. 2 5 5 2 2 16
ROHM CO., LTD. 2 4 3 3 4 16
AUDIOTONIQ, INC. 0 0 8 5 2 15
CISCO TECHNOLOGY, INC. 1 6 2 2 4 15
ETYMOTIC RESEARCH, INC. 2 5 0 5 3 15
FAIRCHILD SEMICONDUCTOR CORPORATION 2 0 0 8 5 15
ADVANCED BIONICS, LLC 4 4 3 3 0 14
BSE CO., LTD. 6 5 1 2 0 14
LOGITECH EUROPE S.A. 1 2 4 3 4 14
MITSUBISHI DENKI KABUSHIKI KAISHA 1 3 1 5 4 14
SONY COMPUTER ENTERTAINMENT INC. 3 8 1 1 1 14
AT& T INTELLECTUAL PROPERTY I, L.P. 2 3 2 4 2 13
FORD GLOBAL TECHNOLOGIES, L.L.C. 2 4 3 3 1 13
HONEYWELL INTERNATIONAL INC. 2 4 2 2 3 13
MOTOROLA SOLUTIONS, INC. 2 4 1 5 1 13
OMRON CORPORATION 1 2 5 3 2 13
PERSONICS HOLDINGS, LLC. 0 0 0 9 4 13
STMICROELECTRONICS S.R.L. 0 1 5 2 5 13
3M INNOVATIVE PROPERTIES COMPANY 1 5 4 0 2 12
AKG ACOUSTICS GMBH 2 5 4 0 1 12
DTS LLC 0 1 4 2 5 12
JVC KENWOOD CORPORATION 0 2 3 3 4 12
MEDIATEK INC. 2 4 3 2 1 12
PANASONIC AUTOMOTIVE SYSTEMS COMPANY OF AMERICA 1 1 4 2 4 12
SIEMENS HEARING INSTRUMENTS, INC. 3 9 0 0 0 12
SKYPE 0 0 0 5 7 12
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL.) 2 4 1 1 4 12
COTRON CORPORATION 2 2 0 4 3 11
EPCOS AG 0 4 4 0 3 11
GENTEX CORPORATION 1 2 2 3 3 11
GM GLOBAL TECHNOLOGY OPERATIONS LLC 3 0 0 2 6 11
IHEAR MEDICAL, INC. 0 1 1 3 6 11
KOSS CORPORATION 1 3 1 3 3 11
PRINCETON TECHNOLOGY CORPORATION 0 7 1 1 2 11
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 2 4 0 2 3 11
SIVANTOS PTE. LTD. 0 0 0 0 11 11
STMICROELECTRONICS ASIA PACIFIC PTE LIMITED 2 4 2 2 1 11
TURTLE BEACH CORPORATION 0 0 0 2 9 11
2236008 ONTARIO INC. 0 0 0 0 10 10
ADOBE SYSTEMS INCORPORATED 1 6 1 0 2 10
DTS, INC. 3 2 1 2 2 10
HUAWEI TECHNOLOGIES CO., LTD. 1 1 0 2 6 10
LOGITECH INTERNATIONAL, S.A. 6 3 1 0 0 10
MARVELL INTERNATIONAL LTD. 0 3 0 2 5 10
POLYCOM, INC. 3 1 5 1 0 10
REALTEK SEMICONDUCTOR CORPORATION 1 2 5 0 2 10
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. 0 4 2 3 1 10
SHURE ACQUISITION HOLDINGS, INC. 1 0 3 2 4 10
AT& T MOBILITY II LLC 2 4 2 1 0 9
AUDYSSEY LABORATORIES, INC. 3 1 2 1 2 9
CODING TECHNOLOGIES AB 8 1 0 0 0 9
FRANCE TELECOM 2 1 4 0 2 9
FUNAI ELECTRIC ADVANCED APPLIED TECHNOLOGY RESEARCH INSTITUTE INC. 0 5 1 3 0 9
HUAWEI DEVICE CO., LTD. 0 0 1 4 4 9
HYUNDAI MOTOR COMPANY 1 0 2 1 5 9
INTEL CORPORATION 1 0 2 1 5 9
MH ACOUSTICS, LLC 0 2 1 1 5 9
NATIONAL CHIAO TUNG UNIVERSITY 3 2 2 2 0 9
THOMSON LICENSING S.A. 1 3 2 2 1 9
TOA KABUSHIKI KAISHA/TOA CORPORATION 1 5 0 1 2 9
VICTOR COMPANY OF JAPAN, LIMITED 1 7 0 1 0 9
ZOUNDS HEARING, INC. 2 2 2 2 1 9
AGERE SYSTEMS INC. 2 6 0 0 0 8
BOEING COMPANY 0 1 1 0 6 8
DENSO CORPORATION 0 2 1 2 3 8
EARLENS CORPORATION 0 0 3 2 3 8
FREESCALE SEMICONDUCTOR, INC. 4 0 1 3 0 8
FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD. 0 0 1 1 6 8
MEYER SOUND LABORATORIES, INC. 0 1 3 2 2 8
MICROSOFT TECHNOLOGY LICENSING, LLC. 0 0 0 0 8 8
MURATA MANUFACTURING CO., LTD. 1 0 2 3 2 8
NISSAN NORTH AMERICA, INC. 0 3 1 2 2 8
RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK 3 0 4 0 1 8
SOUND SOURCES TECHNOLOGY, INC. 3 3 0 2 0 8
THX LTD. 2 1 4 0 1 8
AAC TECHNOLOGIES PTE. LTD 0 0 0 0 7 7
ABATECH ELECTRONICS CO., LTD. 0 0 3 2 2 7
ABLE PLANET, INC. 3 1 2 1 0 7
BERNAFON AG 1 1 2 1 2 7
EPCOS PTE LTD. 1 2 2 2 0 7
FUJITSU TEN LIMITED 3 1 2 1 0 7
GENELEC OY 0 2 1 2 2 7
GP ACOUSTICS (UK) LTD. 0 3 0 2 2 7
IMATION CORP. 0 1 0 1 5 7
NATIONAL SEMICONDUCTOR CORPORATION 2 2 1 2 0 7
NATIONAL TAIWAN UNIVERSITY 1 2 2 2 0 7
OKI ELECTRIC INDUSTRY CO., LTD. 0 3 3 1 0 7
SKULLCANDY, INC. 0 0 2 1 4 7
SONIC INNOVATIONS, INC. 1 2 3 0 1 7
STMICROELECTRONICS, INC. 1 1 1 4 0 7
THE NIELSEN COMPANY (U.S.), L.L.C. 0 0 1 2 4 7
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 0 2 1 0 4 7
UNITED STATES OF AMERICA, NAVY 2 1 1 1 2 7
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 3 1 2 1 7
AMAZON TECHNOLOGIES, INC. 0 0 0 1 5 6
ARKAMYS 1 0 1 0 4 6
AVAYA INC. 0 2 1 2 1 6
BONGIOVI ACOUSTICS, LLC 0 2 2 1 1 6
CAMBRIDGE SILICON RADIO LIMITED 0 0 2 4 0 6
CLEARONE COMMUNICATIONS, INC. 1 3 0 1 1 6
CSR TECHNOLOGY INC. 0 3 0 0 3 6
EXSILENT RESEARCH B.V. 0 1 0 4 1 6
GOER TEK INC. 0 1 1 2 2 6
HIMAX TECHNOLOGIES LIMITED 1 3 1 0 1 6
KNOWLES ELECTRONICS ASIA PTE, LTD. 0 2 4 0 0 6
ORANGE 0 0 0 2 4 6
OTICON MEDICAL A/S 0 1 1 3 1 6
QNX SOFTWARE SYSTEMS, LTD. 0 1 4 1 0 6
RED LION 49 LIMITED 0 3 0 2 1 6
RED TAIL HAWK CORPORATION 0 0 2 3 1 6
RENESAS ELECTRONICS CORP. 3 2 1 0 0 6
SENNHEISER COMMUNICATIONS A/S 0 0 2 2 2 6
SIEMENS AKTIENGESELLSCHAFT 1 2 0 1 2 6
SONOVA AG 0 0 0 0 6 6
SYMBOL TECHNOLOGIES, INC. 0 2 3 1 0 6
UNITED MICROELECTRONICS CORPORATION 0 2 3 1 0 6
VOCOLLECT, INC. 1 1 0 3 1 6
777388 ONTARIO LIMITED 0 1 1 2 1 5
AIRBUS OPERATIONS GMBH 0 2 1 0 2 5
AMS AG 0 1 1 2 1 5
ASUSTEK COMPUTER INC. 0 3 0 1 1 5
AUDIO PIXELS LTD. 1 1 1 2 0 5
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. 0 0 3 0 2 5
BANG & OLUFSEN A/S 1 2 1 0 1 5
DR. G LICENSING, LLC 0 1 2 0 2 5
ELWHA LLC 0 0 0 1 4 5
EM-TECH. CO., LTD. 0 1 0 0 4 5
EMO LABS, INC. 1 1 0 1 2 5
GENERAL MOTORS LLC 3 2 0 0 0 5
HEARWORKS PTY LIMITED 1 2 1 0 1 5
HITACHI, LTD 1 3 0 1 0 5
JERRY LEIGH OF CALIFORNIA, INC. 0 1 1 1 2 5
JETVOX ACOUSTIC CORP. 1 1 0 2 1 5
LENOVO (SINGAPORE) PTE LTD 0 0 2 2 1 5
LIFESIZE COMMUNICATIONS, INC. 4 1 0 0 0 5
MICROSEMI SEMICONDUCTOR ULC 0 3 0 1 1 5
MITEK CORPORATION 1 1 1 2 0 5
MSTAR SEMICONDUCTOR, INC. 0 0 3 0 2 5
NEOFIDELITY, INC. 0 2 2 0 1 5
NEW TRANSDUCERS LIMITED 2 1 2 0 0 5
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA 0 0 0 0 5 5
QNX SOFTWARE SYSTEMS CO. 2 3 0 0 0 5
RICHTEK TECHNOLOGY CORP. 2 0 1 2 0 5
RICOH COMPANY, LTD. 0 0 1 2 2 5
RION CO., LTD. 1 3 1 0 0 5
ROLAND CORPORATION 2 2 0 1 0 5
ST-ERICSSON SA 0 0 0 1 4 5
THAT CORPORATION 0 2 2 1 0 5
THE TC GROUP A/S 0 2 0 1 2 5
VOYETRA TURTLE BEACH, INC. 0 0 1 2 2 5



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