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

Patenting In Technology Classes,
Breakout By Organization

Count of 2008 - 2012 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 2008 2009 2010 2011 2012 Total
SAMSUNG SDI CO., LTD. 41 83 182 210 162 678
PANASONIC CORPORATION 8 78 124 105 142 457
TOYOTA JIDOSHA K.K. 17 31 57 70 165 340
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 5 37 107 94 81 324
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 45 50 86 61 81 323
SONY CORPORATION 21 28 72 42 54 217
SANYO ELECTRIC CO., LTD. 30 32 44 43 60 209
LG CHEMICAL LTD. 4 28 46 66 64 208
NISSAN MOTOR COMPANY, LIMITED 27 21 33 27 34 142
TOSHIBA CORPORATION 11 25 28 29 32 125
~INDIVIDUALLY OWNED PATENT 12 23 29 28 31 123
EVEREADY BATTERY COMPANY, INC. 9 16 21 16 19 81
GILLETTE COMPANY 9 18 12 17 20 76
UTC POWER CORPORATION 10 9 10 17 15 61
3M INNOVATIVE PROPERTIES COMPANY 5 9 12 13 17 56
CANON KABUSHIKI KAISHA 5 12 16 19 4 56
HITACHI, LTD 4 8 15 9 16 52
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 49 0 0 0 0 49
GENERAL MOTORS CORPORATION 35 11 2 0 0 48
BLOOM ENERGY CORPORATION 3 5 10 14 15 47
DELPHI TECHNOLOGIES, INC. 7 10 13 9 6 45
NEC CORPORATION 6 8 10 8 9 41
MEDTRONIC INC. 3 6 18 8 4 39
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. 2 2 5 3 26 38
COMMISSARIAT A L'ENERGIE ATOMIQUE 3 5 11 10 7 36
DAIMLER AG 1 6 6 8 15 36
GENERAL ELECTRIC COMPANY 4 8 6 6 12 36
BYD COMPANY LIMITED 0 2 12 7 13 34
HONEYWELL INTERNATIONAL INC. 3 3 8 10 8 32
HYUNDAI MOTOR COMPANY 0 4 12 5 10 31
QUALLION, LLC 6 11 4 8 2 31
UCHICAGO ARGONNE LLC 7 3 5 7 8 30
FUELCELL ENERGY, INC. 7 2 4 12 3 28
TESLA MOTORS, INC. 0 0 6 4 18 28
A123SYSTEMS, INC. 3 1 3 9 11 27
GREATBATCH LTD. 4 5 9 3 6 27
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 10 9 4 2 1 26
HITACHI MAXELL, LTD. 9 8 5 3 0 25
TDK CORPORATION 4 0 9 2 10 25
ROBERT BOSCH GMBH 3 4 6 5 6 24
UBE INDUSTRIES LTD. 0 6 9 4 4 23
CASIO COMPUTER CO. LTD. 1 4 5 6 6 22
IDATECH LLC 3 2 6 7 3 21
POLYPLUS BATTERY COMPANY, INC. 2 2 7 3 6 20
PANASONIC EV ENERGY CO., LTD. 0 0 4 7 8 19
ASAHI GLASS COMPANY, LTD. 1 1 4 6 6 18
SIEMENS AKTIENGESELLSCHAFT 6 2 2 6 2 18
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 1 3 3 2 8 17
NGK INSULATORS LTD. 1 3 3 8 2 17
SAMSUNG ELECTRONICS CO., LTD. 1 2 1 4 9 17
SUMITOMO ELECTRIC INDUSTRIES, LTD. 1 4 3 3 6 17
GS YUASA CORPORATION 1 5 6 4 0 16
MITSUBISHI CHEMICAL CORPORATION 0 2 1 9 4 16
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 2 2 3 5 4 16
CALIFORNIA INSTITUTE OF TECHNOLOGY 5 4 4 0 2 15
GS YUASA INTERNATIONAL LTD. 0 0 0 5 10 15
LG ELECTRONICS INC. 3 0 7 3 2 15
PLUG POWER INC. 6 3 2 3 1 15
SIEMENS ENERGY, INC. 1 1 4 3 6 15
SOCIETE BIC S.A. 1 0 3 2 9 15
SUMITOMO CHEMICAL COMPANY, LIMITED 2 2 1 5 5 15
UNITED STATES OF AMERICA, ARMY 2 4 5 3 1 15
VALENCE TECHNOLOGY, INC. 3 2 4 3 3 15
BATTELLE MEMORIAL INSTITUTE 2 1 5 0 6 14
CORNING INCORPORATED 3 3 3 2 3 14
DENSO CORPORATION 3 3 3 1 4 14
EVONIK DEGUSSA GMBH 0 0 7 2 5 14
INSTITUTE OF NUCLEAR ENERGY RESEARCH, CHINESE ATOMIC ENERGY COUNCIL, TAIWAN 2 0 4 4 4 14
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 1 1 3 5 4 14
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC 2 0 5 4 3 14
MITSUBISHI MATERIALS CORPORATION 1 1 3 7 2 14
BASF FUEL CELL GMBH 2 1 4 3 3 13
HITACHI CHEMICAL COMPANY, LTD. 4 0 2 4 3 13
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 1 3 1 7 13
NITTO DENKO CORPORATION 2 2 4 0 5 13
SAFT-SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION 1 1 4 4 3 13
SION POWER CORPORATION 3 1 4 2 3 13
UNITED STATES OF AMERICA, NAVY 1 3 3 4 2 13
DAI NIPPON PRINTING CO. LTD 0 3 1 3 5 12
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 1 1 1 9 12
HITACHI VEHICLE ENERGY, LTD. 0 0 1 9 2 12
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 0 3 0 2 7 12
NANOTEK INSTRUMENTS, INC. 0 0 3 2 7 12
PROTONEX TECHNOLOGY CORPORATION 1 2 2 3 4 12
SAMSUNG ELECTRO-MECHANICS CO., LTD. 1 0 1 4 6 12
SEIKO INSTRUMENTS INC. 0 1 2 3 6 12
ULTRACELL CORPORATION 0 2 6 4 0 12
E. I. DU PONT DE NEMOURS AND COMPANY 3 4 2 1 1 11
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 0 4 1 4 2 11
INTELLIGENT ENERGY LIMITED 1 1 1 2 6 11
SHINKO ELECTRIC INDUSTRIES CO., LTD. 2 1 5 1 2 11
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 2 1 4 2 2 11
VERSA POWER SYSTEMS, LTD. 0 2 1 3 5 11
FUJI JUKOGYO KABUSHIKI KAISHA 0 0 2 1 7 10
HYDRO-QUEBEC 0 0 1 8 1 10
JOHNSON CONTROLS TECHNOLOGY COMPANY 1 0 4 2 3 10
MTI MICROFUEL CELLS, INC. 4 3 1 1 1 10
POWERGENIX SYSTEMS, INC. 0 1 4 4 1 10
ROLLS-ROYCE PLC 4 2 1 1 2 10
SHOWA DENKO KABUSHIKI KAISHA 2 2 1 1 4 10
STANFORD UNIVERSITY 1 0 8 1 0 10
TSINGHUA UNIVERSITY 0 0 1 1 8 10
ADAPTIVE MATERIALS, INC. 0 1 4 2 2 9
AIRBUS DEUTSCHLAND GMBH 0 3 4 2 0 9
BLACK & DECKER INC. 2 2 3 1 1 9
FORD MOTOR COMPANY 1 2 0 2 4 9
FUJITSU LIMITED 0 3 2 2 2 9
HITACHI MAXELL ENERGY, LTD. 0 0 0 5 4 9
KABUSHIKIKAISHA EQUOS RESEARCH CO., LTD. 1 0 4 1 3 9
KYOCERA CORPORATION 2 2 1 2 2 9
MITSUBISHI PENCIL CO., LTD. 0 2 4 2 1 9
NAN YA PRINTED CIRCUIT BOARD CORPORATION 0 6 2 0 1 9
NOK CORPORATION 1 1 4 0 3 9
PROTON ENERGY SYSTEMS, INC. 4 2 2 1 0 9
ROVCAL, INC. 0 1 6 2 0 9
SB LIMOTIVE CO., LTD. 0 0 0 1 8 9
SEIMI CHEMICAL CO., LTD. 3 3 2 1 0 9
YAMAHA HATSUDOKI KABUSHIKI KAISHA, YAMAHA MOTOR CO., LTD. 0 0 2 2 5 9
CHI MEI COMMUNICATION SYSTEMS, INC. 0 1 0 2 5 8
HYDROGENICS CORPORATION 6 1 0 0 1 8
KURARAY CO., LTD. 0 0 2 1 5 8
LENOVO (SINGAPORE) PTE LTD 0 0 1 2 5 8
RENAULT S.A.S. 2 1 2 1 2 8
UMICORE AG & CO. KG 0 0 1 4 3 8
UNIVERSITY OF SOUTH FLORIDA 1 0 4 2 1 8
ARIZONA STATE UNIVERSITY 0 1 2 1 3 7
BALLARD POWER SYSTEMS INC. 4 3 0 0 0 7
BRIDGESTONE CORPORATION 1 1 1 3 1 7
CARDIAC PACEMAKERS, INC. 1 1 1 4 0 7
CLEAREDGE POWER, INC. 0 0 0 2 5 7
DAIKIN INDUSTRIES LIMITED 1 1 2 1 2 7
DEGUSSA AKTIENGESELLSCHAFT 1 1 4 1 0 7
ELRING KLINGER AG 0 1 6 0 0 7
ENERDEL, INC. 0 1 2 2 2 7
GLOBAL ENERGY SCIENCE, LLC (CALIFORNIA) 0 0 0 3 4 7
GORE ENTERPRISE HOLDINGS, INC. 2 2 1 2 0 7
HITACHI CABLE, LTD. 0 0 2 3 2 7
HON HAI PRECISION IND. CO., LTD. 1 1 1 2 2 7
JAPAN ATOMIC ENERGY AGENCY 0 0 1 1 5 7
JSR CORPORATION 3 0 1 2 1 7
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 0 1 2 4 0 7
LILLIPUTIAN SYSTEMS INC. 0 1 1 3 2 7
MITSUBISHI DENKI KABUSHIKI KAISHA 0 1 2 0 4 7
MITSUI MINING + SMELTING CO., LTD. 1 0 3 2 1 7
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY 0 2 2 1 2 7
NUVERA FUEL CELLS EUROPE S.R.L. 1 1 2 3 0 7
PRIMUS POWER CORPORATION 0 0 0 1 6 7
REINZ-DICHTUNGS-GMBH CO. KG. 1 0 3 1 2 7
SHIN ETSU CHEMICAL CO., LTD. 2 0 3 1 1 7
SUMITOMO METAL MINING COMPANY LIMITED 1 1 2 0 3 7
TECHNOLOGY FINANCE CORPORATION (PROPRIETARY) LIMITED 1 1 4 1 0 7
TEL AVIV UNIVERSITY FUTURE TECHNOLOGY DEVELOPMENT L.P. 1 2 1 1 2 7
TOKUYAMA CORPORATION 0 0 1 3 3 7
TOSHIBA BATTERY CO., LTD. 2 1 3 1 0 7
UNIVERSITY OF ILLINOIS 0 3 3 0 1 7
UT-BATTELLE, LLC 0 0 4 2 1 7
VB AUTOBATTERIE GMBH & CO. KGAA 0 2 1 2 2 7
ZEON CORPORATION 1 0 1 1 4 7
AEROVIRONMENT INC. 0 5 0 0 1 6
AISIN SEIKI KABUSHIKI KAISHA 1 1 3 1 0 6
ALCATEL-LUCENT USA INC. 0 1 4 1 0 6
ANGSTROM POWER INC. 2 1 1 2 0 6
ASAHI KASEI CHEMICALS CORPORATION 1 1 2 2 0 6
BDF IP HOLDINGS LTD. 0 3 0 3 0 6
BOSTON-POWER, INC. 0 0 3 3 0 6
CERAMATEC, INC. 0 0 1 2 3 6
CERAMIC FUEL CELLS LIMITED 1 1 2 2 0 6
DEEYA ENERGY, INC. 0 0 1 2 3 6
FORSCHUNGSZENTRUM JULICH GMBH 1 2 0 1 2 6
FREUDENBERG-NOK GENERAL PARTNERSHIP 1 1 3 1 0 6
GINER ELECTROCHEMICAL SYSTEMS LLC 1 1 1 3 0 6
HYTEON INC. 1 3 0 0 2 6
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 3 0 1 1 1 6
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY 0 0 1 2 3 6
MICROCELL CORPORATION 1 1 1 2 1 6
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 0 1 3 2 0 6
NEXTECH MATERIALS, LTD. 0 2 2 1 1 6
NIPPON CHEMICAL INDUSTRIAL CO., LTD. 0 2 1 1 2 6
RELION, INC. 1 0 2 2 1 6
SHIN KOBE ELECTRIC MACHINERY CO., LTD. 0 3 3 0 0 6
TEXACO INC. 2 0 2 0 2 6
TOPPAN PRINTING CO., LTD. 0 0 0 1 5 6
TOTO, LTD. 1 1 2 0 2 6
UNITED STATES OF AMERICA, DEPARTMENT OF ENERGY 1 0 1 2 2 6
YOUNG GREEN ENERGY CO. 0 0 0 2 4 6
ABBOTT DIABETES CARE INC. 1 0 1 2 1 5
ADVANCED LITHIUM ELECTROCHEMISTRY CO., LTD. 0 0 2 2 1 5
BAYERISCHE MOTOREN WERKE AG 2 0 1 2 0 5
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS 2 0 1 1 1 5
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION 0 1 0 2 2 5
CYMBET CORPORATION 1 1 1 2 0 5
FIH (HONG KONG) LIMITED 0 0 0 0 5 5
FUJIFILM CORPORATION 4 0 0 1 0 5
GAS TECHNOLOGY INSTITUTE 2 0 2 1 0 5
IDEMITSU KOSAN COMPANY LIMITED 0 1 0 3 1 5
JADOO POWER SYSTEMS, INC. 0 0 3 2 0 5
MAKITA CORPORATION 0 1 0 2 2 5
MODINE MANUFACTURING COMPANY 0 0 1 2 2 5
NANOSYS, INC. 0 0 1 3 1 5
NILAR INTERNATIONAL AB 1 0 2 1 1 5
NUCELLSYS GMBH 4 0 0 1 0 5
QUANTUMSPHERE, INC. 0 0 2 2 1 5
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 2 2 0 1 5
SOLVAY SOLEXIS S.P.A. 0 0 2 1 2 5
STMICROELECTRONICS S.R.L. 0 0 0 1 4 5
TOPSOE FUEL CELL A/S 0 0 1 0 4 5
TORAY TONEN SPECIALTY SEPARATOR GODO KAISHA 0 0 0 4 1 5
UMICORE 1 1 1 1 1 5


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