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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 429, Chemistry: Electrical Current Producing Apparatus, Product, and Process

( 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
SAMSUNG SDI CO., LTD. 210 162 264 415 454 1505
TOYOTA JIDOSHA K.K. 70 165 136 174 160 705
LG CHEM, LTD. 66 64 91 123 217 561
GM GLOBAL TECHNOLOGY OPERATIONS LLC 94 81 141 119 119 554
PANASONIC CORPORATION 105 143 91 72 3 414
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 61 81 56 60 66 324
SONY CORPORATION 42 54 47 73 89 305
SANYO ELECTRIC CO., LTD. 43 60 46 26 24 199
NISSAN MOTOR COMPANY, LIMITED 27 34 35 53 39 188
~INDIVIDUALLY OWNED PATENT 28 31 40 37 36 172
TOSHIBA CORPORATION 29 32 35 31 23 150
HYUNDAI MOTOR COMPANY 5 10 20 34 38 107
SAMSUNG ELECTRONICS CO., LTD. 4 9 23 29 35 100
GS YUASA INTERNATIONAL LTD. 5 10 9 23 48 95
BLOOM ENERGY CORPORATION 14 15 13 23 23 88
DAIMLER AG 8 15 11 17 22 73
HITACHI, LTD 9 16 13 21 7 66
3M INNOVATIVE PROPERTIES COMPANY 13 18 13 9 5 58
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. 0 0 0 0 58 58
UCHICAGO ARGONNE LLC 7 8 7 10 25 57
ROBERT BOSCH GMBH 5 6 11 13 20 55
TSINGHUA UNIVERSITY 1 8 8 14 23 54
NGK INSULATORS LTD. 8 2 11 17 15 53
EVEREADY BATTERY COMPANY, INC. 16 19 9 6 1 51
GENERAL ELECTRIC COMPANY 6 12 10 8 14 50
TESLA MOTORS, INC. 4 18 15 6 6 49
GILLETTE COMPANY 17 20 5 4 2 48
A123SYSTEMS, INC. 9 11 9 8 10 47
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 8 6 12 19 47
MITSUBISHI CHEMICAL CORPORATION 9 4 9 10 15 47
NEC CORPORATION 8 9 10 6 14 47
CANON KABUSHIKI KAISHA 19 4 8 7 4 42
FORD GLOBAL TECHNOLOGIES, L.L.C. 1 9 3 10 19 42
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. 3 26 12 1 0 42
UTC POWER CORPORATION 17 15 8 0 0 40
TDK CORPORATION 2 10 11 8 8 39
SOCIETE BIC 2 9 10 14 3 38
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES 0 0 7 14 16 37
HONEYWELL INTERNATIONAL INC. 10 8 5 3 10 36
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 5 4 6 12 9 36
NANOTEK INSTRUMENTS, INC. 2 7 4 11 12 36
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 0 0 3 14 19 36
BATTELLE MEMORIAL INSTITUTE 0 6 9 9 11 35
FUELCELL ENERGY, INC. 12 3 8 7 4 34
MEDTRONIC INC. 8 4 4 6 11 33
BYD COMPANY LIMITED 7 13 7 5 0 32
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 5 4 8 9 6 32
POLYPLUS BATTERY COMPANY 3 6 6 12 4 31
COMMISSARIAT A L'ENERGIE ATOMIQUE 10 7 5 8 0 30
TOTO, LTD. 0 2 9 10 9 30
ASAHI GLASS COMPANY, LTD. 6 6 11 1 4 28
HITACHI MAXELL, LTD. 3 0 3 16 6 28
SUMITOMO CHEMICAL COMPANY, LIMITED 5 5 4 6 7 27
SUMITOMO ELECTRIC INDUSTRIES, LTD. 3 6 3 7 8 27
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 1 6 4 15 26
UBE INDUSTRIES LTD. 4 4 9 4 5 26
BASF SE 1 0 2 6 16 25
HITACHI VEHICLE ENERGY, LTD. 9 2 8 5 0 24
KYOCERA CORPORATION 2 2 7 6 7 24
SION POWER CORPORATION 2 3 3 7 9 24
DELPHI TECHNOLOGIES, INC. 9 6 4 1 3 23
JOHNSON CONTROLS TECHNOLOGY COMPANY 2 3 3 4 11 23
TORAY BATTERY SEPARATOR FILM CO., LTD. 0 4 2 10 7 23
INTELLIGENT ENERGY LIMITED 2 6 4 2 8 22
PANASONIC EV ENERGY CO., LTD. 7 8 3 4 0 22
SEIKO INSTRUMENTS INC. 3 6 8 1 4 22
SHOWA DENKO KABUSHIKI KAISHA 1 4 0 7 10 22
APPLE, INC. 2 2 3 3 11 21
BALLARD POWER SYSTEMS INC. 0 0 0 13 8 21
ENVIA SYSTEMS, INC. 0 2 5 7 7 21
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 7 3 3 7 21
QUALLION, LLC 8 2 5 6 0 21
ZEON CORPORATION 1 4 2 6 8 21
INSTITUTE OF NUCLEAR ENERGY RESEARCH, CHINESE ATOMIC ENERGY COUNCIL, TAIWAN 4 4 2 4 6 20
DENSO CORPORATION 1 4 2 4 8 19
GREATBATCH LTD. 3 6 1 7 2 19
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 2 7 9 1 0 19
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 4 0 5 4 6 19
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC 4 3 4 5 3 19
SAMSUNG ELECTRO-MECHANICS CO., LTD. 4 6 6 2 1 19
SIEMENS AKTIENGESELLSCHAFT 6 2 1 3 7 19
YAZAKI CORP. 1 0 5 6 7 19
DAI NIPPON PRINTING CO. LTD 3 5 7 3 0 18
JOHNSON CONTROLS- SAFT ADVANCED POWER SOLUTIONS LLC 2 2 8 1 5 18
JX NIPPON OIL & ENERGY CORPORATION 0 0 1 8 9 18
TOPPAN PRINTING CO., LTD. 1 5 5 4 3 18
FORD MOTOR COMPANY 2 4 0 5 6 17
HITACHI AUTOMOTIVE SYSTEMS, LTD. 0 0 0 4 13 17
NITTO DENKO CORPORATION 0 5 5 2 5 17
UNITED STATES OF AMERICA, NAVY 4 2 2 5 4 17
STANFORD UNIVERSITY 1 0 4 4 7 16
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 2 5 1 6 16
CASIO COMPUTER CO. LTD. 6 6 2 0 1 15
HRL LABORATORIES, LLC 0 3 1 7 4 15
HYDRO-QUEBEC 8 1 2 2 2 15
UNITED TECHNOLOGIES CORPORATION 0 0 2 10 3 15
LENOVO (SINGAPORE) PTE LTD 2 5 3 2 2 14
SAINT-GOBAIN CERAMICS & PLASTICS, INC. 1 0 8 3 2 14
SHIN ETSU CHEMICAL CO., LTD. 1 1 2 6 4 14
SK INNOVATION CO., LTD. 0 2 3 3 6 14
CALIFORNIA INSTITUTE OF TECHNOLOGY 0 2 1 6 4 13
EVONIK DEGUSSA GMBH 2 5 2 2 2 13
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 4 2 1 3 3 13
IDATECH LLC 7 3 3 0 0 13
KOREA INSTITUTE OF ENERGY RESEARCH 2 0 0 2 9 13
MAKITA CORPORATION 2 2 3 2 4 13
MURATA MANUFACTURING CO., LTD. 1 0 0 6 6 13
PRIMUS POWER CORPORATION 1 6 3 0 3 13
E. I. DU PONT DE NEMOURS AND COMPANY 1 1 4 5 1 12
ENERDEL, INC. 2 2 2 5 1 12
ENOVIX CORPORATION 0 3 3 3 3 12
JOHNSON CONTROLS AUTOBATTERIE GMBH & CO. KGAA 0 1 4 4 3 12
KURARAY CO., LTD. 1 5 2 2 2 12
SAFT-SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION 4 3 1 2 2 12
TOKUYAMA CORPORATION 3 3 3 1 2 12
UT-BATTELLE, LLC 2 1 3 4 2 12
AUDI AG 0 0 1 0 10 11
BELENOS CLEAN POWER HOLDING AG 0 1 1 4 5 11
BLACKBERRY LIMITED 0 0 2 4 5 11
BOEING COMPANY 0 0 2 5 4 11
DEEYA ENERGY, INC. 2 3 4 2 0 11
EBERSPACHER CLIMATE CONTROL SYSTEMS GMBH & CO. KG 0 0 3 4 4 11
FLUIDIC, INC. 0 0 1 6 4 11
FUJI JUKOGYO KABUSHIKI KAISHA 1 7 0 1 2 11
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY 1 2 1 4 3 11
NEC ENERGY DEVICES, LTD. 2 0 6 0 3 11
NOK CORPORATION 0 3 1 2 5 11
PROTONEX TECHNOLOGY CORPORATION 3 4 4 0 0 11
SUMITOMO METAL MINING COMPANY LIMITED 0 3 2 3 3 11
TEIJIN LIMITED 2 0 2 3 4 11
UMICORE AG & CO. KG 4 3 4 0 0 11
UNITED STATES OF AMERICA, ARMY 3 1 2 4 1 11
VERSA POWER SYSTEMS, LTD. 3 5 0 1 2 11
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 2 5 2 2 0 11
ARIZONA STATE UNIVERSITY 1 3 2 2 2 10
ASAHI KASEI E-MATERIALS CORPORATION 0 3 1 2 4 10
BASF FUEL CELL GMBH 3 3 1 2 1 10
CERAMATEC, INC. 2 3 0 4 1 10
CORNING INCORPORATED 2 3 1 3 1 10
DOW GLOBAL TECHNOLOGIES LLC 1 3 3 1 2 10
EAGLE-PICHER TECHNOLOGIES, LLC 0 1 3 4 2 10
EMPIRE TECHNOLOGY DEVELOPMENT LLC 0 1 1 6 2 10
INFINITE POWER SOLUTIONS, INC. 2 2 5 1 0 10
INVENTION SCIENCE FUND I, LLC 1 1 1 4 3 10
LG FUEL CELL SYSTEMS INC. 0 0 4 2 4 10
MITSUBISHI MATERIALS CORPORATION 7 2 1 0 0 10
NISSAN NORTH AMERICA, INC. 0 0 4 1 5 10
OHARA INC. 0 3 1 3 3 10
SIEMENS ENERGY, INC. 3 6 1 0 0 10
ACAL ENERGY LIMITED 0 0 2 2 5 9
AIRBUS OPERATIONS GMBH 0 3 1 4 1 9
AMPRIUS, INC. 0 1 1 2 5 9
CARDIAC PACEMAKERS, INC. 4 0 1 2 2 9
CHI MEI COMMUNICATION SYSTEMS, INC. 2 5 2 0 0 9
HITACHI CHEMICAL COMPANY, LTD. 4 3 1 1 0 9
HITACHI MAXELL ENERGY, LTD. 5 4 0 0 0 9
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) 0 4 2 0 3 9
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 2 0 2 1 4 9
NATIONAL TSING HUA UNIVERSITY 1 2 3 1 2 9
NEXEON LTD. 0 1 1 1 6 9
POWERGENIX SYSTEMS, INC. 4 1 2 1 1 9
RUTGERS UNIVERSITY 2 0 1 1 5 9
SB LIMOTIVE CO., LTD. 1 8 0 0 0 9
TOPSOE FUEL CELL A/S 0 4 2 3 0 9
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 0 0 1 4 4 9
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 2 2 3 1 1 9
APPLIED MATERIALS, INC. 0 1 2 2 3 8
BATHIUM CANADA INC. 2 0 3 1 2 8
BATSCAP 2 0 4 2 0 8
BAYERISCHE MOTOREN WERKE AG 2 0 2 3 1 8
BOSTON-POWER, INC. 3 0 0 3 2 8
DAIKIN INDUSTRIES LIMITED 1 2 2 2 1 8
DANMARKS TEKNISKE UNIVERSITET 1 2 1 2 2 8
FIH (HONG KONG) LIMITED 0 5 3 0 0 8
FUJITSU LIMITED 2 2 2 1 1 8
GLOBAL ENERGY SCIENCE, LLC (CALIFORNIA) 3 4 1 0 0 8
IDEMITSU KOSAN COMPANY LIMITED 3 1 1 0 3 8
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 2 3 1 2 0 8
MITSUBISHI DENKI KABUSHIKI KAISHA 0 4 0 2 2 8
SHOWA DENKO PACKAGING CO. 0 1 1 1 5 8
TAIYO YUDEN CO., LTD. 0 0 2 5 1 8
TOYOTA SHATAI KABUSHIKI KAISHA 0 1 2 1 4 8
YOUNG GREEN ENERGY CO. 2 4 2 0 0 8
ABBOTT DIABETES CARE INC. 2 1 1 2 1 7
ADAPTIVE MATERIALS, INC. 2 2 2 0 1 7
ALLIANCE FOR SUSTAINABLE ENERGY, LLC 0 0 2 2 3 7
AQUION ENERGY INC. 0 2 1 1 3 7
ASAHI KASEI CHEMICALS CORPORATION 2 0 2 2 1 7
ATIEVA, INC. 0 1 1 3 2 7
BLUE SPARK TECHNOLOGIES, INC. 1 1 1 4 0 7
CENTRAL GLASS COMPANY, LIMITED 0 2 0 4 1 7
CLEAREDGE POWER, INC. 2 5 0 0 0 7
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN 0 0 1 0 6 7
FORSCHUNGSZENTRUM JULICH GMBH 1 2 2 0 2 7
FRONT EDGE TECHNOLOGY, INC. 1 1 1 2 2 7
HON HAI PRECISION IND. CO., LTD. 2 2 2 1 0 7
JAPAN ATOMIC ENERGY AGENCY 1 5 1 0 0 7
JOHNSON MATTHEY FUEL CELLS LIMITED 0 2 3 0 2 7
JSR CORPORATION 2 1 1 2 1 7
LOS ALAMOS NATIONAL SECURITY, LLC 0 1 3 2 1 7
MODINE MANUFACTURING COMPANY 2 2 1 2 0 7
PORSCHE AG 0 0 1 2 4 7
SAKTI3, INC. 0 0 2 3 2 7
SHIN KOBE ELECTRIC MACHINERY CO., LTD. 0 0 1 2 4 7
STMICROELECTRONICS S.R.L. 1 4 0 2 0 7
VALENCE TECHNOLOGY, INC. 3 3 1 0 0 7
VARTA MICROBATTERY GMBH 0 0 2 1 4 7
24M TECHNOLOGIES, INC. 0 0 0 2 4 6
BREN-TRONICS BATTERIES INTERNATIONAL, L.L.C. 0 0 5 1 0 6
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION 2 2 1 0 1 6
CONVION OY 0 0 2 2 2 6
ENERVAULT CORPORATION 0 0 0 3 3 6
FUJIFILM MANUFACTURING EUROPE B.V. 0 0 0 1 5 6
GAS TECHNOLOGY INSTITUTE 1 0 2 1 2 6
GEORGIA TECH RESEARCH CORP. 1 1 1 1 2 6
HYUNDAI HYSCO 0 1 2 2 1 6
INI POWER SYSTEMS, INC. 1 3 1 0 1 6
JOHNSON CONTROLS HYBRID AND RECYCLING GMBH 1 0 1 1 3 6
JX NIPPON MINING & METALS CORPORATION 0 0 0 2 4 6
LG ELECTRONICS INC. 3 2 0 1 0 6
MITSUBISHI PLASTICS, INC. 0 1 3 1 1 6
MITSUI CHEMICALS, INCORPORATED 0 2 0 0 4 6
MITSUI MINING + SMELTING CO., LTD. 2 1 0 2 1 6
NANOSYS, INC. 3 1 2 0 0 6
NIPPON OIL CORPORATION 0 1 1 4 0 6
NUVERA FUEL CELLS EUROPE S.R.L. 3 0 2 1 0 6
OPTODOT CORPORATION 0 0 0 1 5 6
OXIS ENERGY LIMITED 0 0 1 2 3 6
RESEARCH IN MOTION LIMITED 1 2 3 0 0 6
SEEO, INC. 0 0 0 1 5 6
SEIKO EPSON CORPORATION 1 0 1 2 2 6
SHELL OIL COMPANY 1 1 2 2 0 6
SOLVAY SOLEXIS S.P.A. 1 2 2 0 1 6
TOYO BOSEKI KABUSHIKI KAISHA T/A TOYOBO CO., LTD. 0 3 2 0 1 6
TREOFAN GERMANY GMBH & CO. KG 0 0 0 4 2 6
UNIVERSITY OF SOUTH CAROLINA 0 1 1 2 2 6
UNIVERSITY OF SOUTH FLORIDA 2 1 2 1 0 6
UNIVERSITY OF TEXAS 0 1 1 2 2 6
AGC SEIMI CHEMICAL CO., LTD. 1 1 1 2 0 5
AISIN SEIKI KABUSHIKI KAISHA 1 0 1 0 3 5
ALLISON TRANSMISSION, INC. 0 0 1 3 1 5
ARDICA TECHNOLOGIES INC. 1 2 0 1 1 5
BEHR GMBH & CO. KG 0 1 2 2 0 5
BLUE SOLUTIONS 0 0 0 3 2 5
CARL FREUDENBERG KG 0 1 1 1 2 5
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 1 1 0 1 2 5
CERES INTELLECTUAL PROPERTY COMPANY LIMITED 1 0 1 2 1 5
CLEAREDGE POWER, LLC 0 0 2 3 0 5
DCNS SA 0 0 1 4 0 5
ELECTRICITE DE FRANCE (SERVICE NATIONAL) 0 0 0 2 3 5
ENCITE LLC 0 0 3 0 2 5
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY 1 0 0 0 4 5
FARASIS ENERGY, INC. 2 0 3 0 0 5
FDK ENERGY CO., LTD. 1 1 2 1 0 5
FDK TWICELL CO., LTD. 0 0 2 2 1 5
FU TAI HUA INDUSTRY (SHENZHEN) CO., LTD. 0 0 5 0 0 5
GOVERNORS OF THE UNIVERSITY OF ALBERTA 2 1 2 0 0 5
HAMILTON SUNDSTRAND CORPORATION 1 1 1 1 1 5
HITACHI CABLE, LTD. 3 2 0 0 0 5
HYDROGENICS CORPORATION 0 1 2 1 1 5
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY 0 0 0 3 2 5
INNOT BIOENERGY HOLDING CO. 0 0 3 2 0 5
JAPAN VILENE COMPANY LTD. 1 0 3 1 0 5
JOHNSON CONTROLS TECHNOLOGY, LLC 0 1 0 1 3 5
KABUSHIKIKAISHA EQUOS RESEARCH CO., LTD. 1 3 1 0 0 5
KOLON INDUSTRIES INC. 0 0 0 0 5 5
KONICA MINOLTA HOLDINGS, INC. 0 1 0 2 2 5
LIGHTENING ENERGY 0 1 2 2 0 5
LILLIPUTIAN SYSTEMS INC. 3 2 0 0 0 5
MAGNA STEYR BATTERY SYSTEMS GMBH & CO OG 0 0 1 2 2 5
MILWAUKEE ELECTRIC TOOL CORPORATION 0 0 0 3 2 5
MITSUBISHI HEAVY INDUSTRIES, LTD. 0 0 1 4 0 5
MOLECULAR REBAR DESIGN, LLC 0 0 1 1 3 5
MOTOROLA-MOBILITY, INC. 1 1 1 2 0 5
MYFC AB 0 1 1 3 0 5
NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY 0 3 0 2 0 5
NEOMAX MATERIALS CO., LTD. 0 3 0 1 1 5
NEXTECH MATERIALS, LTD. 1 1 0 1 2 5
PELLION TECHNOLOGIES, INC. 0 0 1 0 4 5
PLANSEE SE 0 1 0 3 1 5
PLUG POWER INC. 3 1 0 1 0 5
RELION, INC. 2 1 1 0 1 5
SANDIA CORPORATION 1 0 2 1 1 5
SHENZHEN BYD AUTO R& D COMPANY LIMITED 0 0 1 1 3 5
SHINKO ELECTRIC INDUSTRIES CO., LTD. 1 2 1 0 1 5
SPECTRUM BRANDS, INC. 0 0 0 2 3 5
STMICROELECTRONICS (TOURS) SAS 0 1 2 1 1 5
STMICROELECTRONICS S.A. 1 1 0 1 2 5
SUZUKI MOTOR CORPORATION 0 0 1 0 4 5
TOKYO OHKA KOGYO CO., LTD. 0 0 1 1 3 5
TORAY TONEN SPECIALTY SEPARATOR GODO KAISHA 4 1 0 0 0 5
TOYOTA BOSHOKU KABUSHIKI KAISHA 0 0 0 4 1 5
WILDCAT DISCOVERY TECHNOLOGIES, INC. 0 0 0 1 4 5



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