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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 398, Optical Communications

( 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
FUJITSU LIMITED 77 102 92 104 131 506
ALCATEL LUCENT 31 33 34 37 56 191
HUAWEI TECHNOLOGIES CO., LTD. 16 33 31 44 50 174
CIENA CORPORATION 21 22 19 32 35 129
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 18 12 22 30 47 129
FINISAR CORPORATION 36 29 14 24 19 122
HITACHI, LTD 23 31 30 21 11 116
NEC CORPORATION 16 29 15 24 32 116
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL.) 1 4 22 42 42 111
NEC LABORATORIES AMERICA, INC. 9 21 18 30 31 109
FUTUREWEI TECHNOLOGIES, INC. 5 19 24 28 30 106
INFINERA CORPORATION 8 16 19 22 23 88
~INDIVIDUALLY OWNED PATENT 16 21 14 12 18 81
CISCO TECHNOLOGY, INC. 9 14 13 26 17 79
VERIZON PATENT AND LICENSING, INC. 11 13 20 12 17 73
SAMSUNG ELECTRONICS CO., LTD. 14 9 17 11 18 69
AT& T INTELLECTUAL PROPERTY I, L.P. 3 16 14 15 16 64
ZTE CORPORATION 1 2 7 29 23 62
SUMITOMO ELECTRIC INDUSTRIES, LTD. 9 13 10 10 16 58
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 7 9 10 16 14 56
MITSUBISHI DENKI KABUSHIKI KAISHA 5 7 8 15 20 55
BROADCOM CORPORATION 3 2 14 14 18 51
ADVA AG OPTICAL NETWORKING 2 4 13 15 11 45
INTERNATIONAL BUSINESS MACHINES CORPORATION 5 5 9 9 17 45
OKI ELECTRIC INDUSTRY CO., LTD. 12 15 6 6 6 45
GOOGLE, INC. 0 4 7 14 15 40
NIPPON TELEGRAPH & TELEPHONE CORP. 7 3 5 7 16 38
AT& T INTELLECTUAL PROPERTY II, L.P. 13 6 4 10 3 36
BOEING COMPANY 2 9 10 9 5 35
INTEL CORPORATION 8 5 7 5 10 35
LOCKHEED MARTIN CORPORATION 11 11 5 3 4 34
TYCO ELECTRONICS SUBSEA COMMUNICATIONS LLC 5 7 10 7 4 33
APPLIED OPTOELECTRONICS, INC. 4 5 3 8 6 26
TELLABS OPERATIONS INC. 3 6 11 2 4 26
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. 0 0 6 3 16 25
FUJITSU TELECOM NETWORKS LIMITED 0 3 3 15 4 25
TOSHIBA CORPORATION 3 5 3 10 4 25
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 10 4 2 6 22
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 6 5 3 3 5 22
XIEON NETWORKS S.A.R.L. 0 0 0 11 11 22
NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY 12 2 2 4 0 20
FUJITSU OPTICAL COMPONENTS LIMITED 0 1 4 5 9 19
HON HAI PRECISION IND. CO., LTD. 1 0 3 6 8 18
INVENTION SCIENCE FUND I, LLC 1 1 8 6 2 18
PANASONIC CORPORATION 11 5 0 2 0 18
SOURCE PHOTONICS, INC. 0 0 1 7 10 18
CORNING CABLE SYSTEMS LLC 0 7 2 7 1 17
ECI TELECOM LTD. 1 1 7 7 1 17
TELCORDIA TECHNOLOGIES, INC. 1 5 4 5 2 17
AVAGO TECHNOLOGIES FIBER IP(SINGAPORE) PTE. LTD. 8 4 4 0 0 16
JDS UNIPHASE CORPORATION 6 2 2 2 4 16
RAYTHEON COMPANY 1 1 3 5 6 16
ADTRAN, INC. 0 0 3 5 7 15
APPLIED MICRO CIRCUITS CORPORATION 6 4 0 4 1 15
EMCORE CORPORATION 6 2 1 4 2 15
FURUKAWA ELECTRIC CO., LTD. 3 3 4 1 4 15
JUNIPER NETWORKS, INC. 1 0 1 4 9 15
UNIVERSITY OF CENTRAL FLORIDA 3 3 5 4 0 15
VIASAT, INC. 0 0 1 9 5 15
CALIX, INC. 0 3 3 3 5 14
CLARIPHY COMMUNICATIONS, INC. 1 3 1 3 6 14
HRL LABORATORIES, LLC 6 2 2 3 1 14
BRITISH TELECOMMUNICATION, PLC 2 1 7 3 0 13
ERICSSON AB 7 6 0 0 0 13
KONINKLIJKE PHILIPS N.V. 0 0 2 7 4 13
OPNEXT SUBSYSTEMS, INC. 6 2 3 2 0 13
SIEMENS AKTIENGESELLSCHAFT 1 2 3 5 2 13
GENERAL INSTRUMENT CORPORATION 2 5 3 1 1 12
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 4 2 2 3 1 12
NOKIA SIEMENS NETWORKS GMBH & CO. KG 5 6 0 1 0 12
ROCKWELL COLLINS, INC. 2 2 4 1 3 12
ADC TELECOMMUNICATIONS, INC. 1 2 2 3 3 11
AURORA NETWORKS, INC. 0 3 4 3 1 11
CORNING OPTICAL COMMUNICATIONS LLC 0 0 0 2 9 11
EXFO INC. 1 1 2 4 3 11
FRANCE TELECOM 3 3 3 0 2 11
OCLARO JAPAN, INC. 0 0 1 7 3 11
ORACLE AMERICA, INC. 2 7 2 0 0 11
ORACLE INTERNATIONAL CORPORATION 0 1 4 5 1 11
SONY CORPORATION 2 5 2 1 1 11
ALCATEL-LUCENT USA INC. 10 0 0 0 0 10
LUXTERA, INC. 0 0 1 6 3 10
MOTOROLA-MOBILITY, INC. 5 1 2 2 0 10
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA 0 0 0 1 9 10
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 0 0 0 0 10 10
ROCKSTAR CONSORTIUM US LP 0 1 3 5 1 10
UNITED STATES OF AMERICA, NAVY 3 3 1 1 2 10
CELIGHT, INC. 6 1 1 1 0 9
CIRREX SYSTEMS LLC 1 1 3 1 3 9
FUJIKURA LTD. 2 5 1 1 0 9
NOKIA SIEMENS NETWORKS OY 1 3 5 0 0 9
OCLARO NORTH AMERICA INC. 5 1 1 2 0 9
OFIDIUM PTY LTD 0 6 0 2 1 9
PMC-SIERRA ISRAEL LTD. 2 2 3 1 1 9
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 5 1 3 0 0 9
XTERA COMMUNICATIONS, INC. 0 1 5 1 2 9
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION, INC. 3 0 1 2 2 8
DEUTSCHE TELEKOM AG 1 2 2 3 0 8
HARRIS CORP. 0 2 3 3 0 8
MENARA NETWORKS, INC. 0 3 1 1 3 8
QUALCOMM, INC. 0 0 0 0 8 8
ARRIS ENTERPRISES, INC. 0 0 1 3 3 7
HITACHI CABLE, LTD. 0 5 2 0 0 7
LG-ERICSSON CO., LTD. 0 6 1 0 0 7
MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC. 0 0 3 2 2 7
OCLARO TECHNOLOGY PLC 1 2 2 0 2 7
OFS FITEL, LLC 1 0 2 1 3 7
ZTE USA, INC. 0 0 0 1 6 7
ANRITSU CORPORATION 3 2 0 0 1 6
CUBIC CORPORATION 2 1 1 2 0 6
FEDERAL LAW ENFORCEMENT DEVELOPMENT SERVICES, INC. 0 1 1 3 1 6
INPHI CORPORATION 0 0 0 0 6 6
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 5 1 0 0 6
LEVEL 3 COMMUNICATIONS, LLC 2 1 1 1 1 6
NATIONAL CHIAO TUNG UNIVERSITY 1 2 1 0 2 6
OMRON CORPORATION 0 0 6 0 0 6
TECHNION RESEARCH AND DEVELOPMENT FOUNDATION, LTD. 0 0 1 0 5 6
TELECOM ITALIA S.P.A. 2 1 1 2 0 6
UNITED STATES OF AMERICA, ARMY 1 0 2 0 3 6
CENTURYLINK INTELLECTUAL PROPERTY LLC 0 0 1 1 3 5
CERTUSVIEW TECHNOLOGIES, LLC 0 0 2 0 3 5
DYNAMIC METHOD ENTERPRISES LIMITED 2 1 1 1 0 5
ELBEX VIDEO, LTD. 1 4 0 0 0 5
FREESCALE SEMICONDUCTOR, INC. 3 1 0 0 1 5
FUJI XEROX CO., LTD. 0 3 0 1 1 5
HONEYWELL INTERNATIONAL INC. 0 3 1 0 1 5
HOYA CORPORATION USA 1 0 1 2 1 5
MARVELL INTERNATIONAL LTD. 1 1 1 1 1 5
MICRON TECHNOLOGY, INC. 1 0 0 3 1 5
MOOG INC. 0 1 1 1 2 5
N2 IMAGING SYSTEMS, LLC 0 0 1 2 2 5
NEOPHOTONICS CORPORATION 0 0 2 3 0 5
OPNEXT JAPAN, INC. 1 4 0 0 0 5
PIVOTAL DECISIONS LLC. 0 3 1 1 0 5
QINETIQ LIMITED 1 2 1 1 0 5
SANDIA CORPORATION 1 0 1 1 2 5
SANTEC CORPORATION 0 1 4 0 0 5
STMICROELECTRONICS S.R.L. 0 1 3 0 1 5
TIME WARNER CABLE ENTERPRISES LLC 0 0 0 4 1 5
TITAN PHOTONICS, INC. 0 0 3 2 0 5
WUHAN RESEARCH INSTITUTE OF POSTS AND TELECOMMUNICATIONS 0 0 0 3 2 5
XTERA COMMUNICATIONS LTD. 3 0 2 0 0 5



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