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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 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 2007 2008 2009 2010 2011 Total
SAMSUNG SDI CO., LTD. 44 41 83 182 210 560
PANASONIC CORPORATION 0 8 78 124 105 315
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 49 45 50 86 61 291
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 5 37 107 94 243
SONY CORPORATION 40 21 28 72 42 203
TOYOTA JIDOSHA K.K. 10 17 31 57 70 185
SANYO ELECTRIC CO., LTD. 27 30 32 44 43 176
LG CHEMICAL LTD. 4 4 28 46 66 148
NISSAN MOTOR COMPANY, LIMITED 26 27 21 33 27 134
~INDIVIDUALLY OWNED PATENT 15 12 23 29 28 107
TOSHIBA CORPORATION 13 11 25 28 29 106
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 35 49 0 0 0 84
GENERAL MOTORS CORPORATION 34 35 11 2 0 82
GILLETTE COMPANY 15 9 18 12 17 71
EVEREADY BATTERY COMPANY, INC. 4 9 16 21 16 66
CANON KABUSHIKI KAISHA 2 5 12 16 19 54
UTC POWER CORPORATION 7 10 9 10 17 53
DELPHI TECHNOLOGIES, INC. 9 7 10 13 9 48
3M INNOVATIVE PROPERTIES COMPANY 5 5 9 12 13 44
HITACHI, LTD 7 4 8 15 9 43
NEC CORPORATION 7 6 8 10 8 39
MEDTRONIC INC. 2 3 6 18 8 37
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 10 10 9 4 2 35
QUALLION, LLC 6 6 11 4 8 35
BLOOM ENERGY CORPORATION 2 3 5 10 14 34
COMMISSARIAT A L'ENERGIE ATOMIQUE 4 3 5 11 10 33
HITACHI MAXELL, LTD. 7 9 8 5 3 32
GENERAL ELECTRIC COMPANY 3 4 8 7 6 28
FUELCELL ENERGY, INC. 3 7 2 4 11 27
UCHICAGO ARGONNE LLC 3 7 3 5 7 25
HONEYWELL INTERNATIONAL INC. 0 3 3 8 10 24
HYUNDAI MOTOR COMPANY 3 0 4 12 5 24
UBE INDUSTRIES LTD. 4 0 6 9 4 23
PLUG POWER INC. 8 6 3 2 3 22
WILSON GREATBATCH LTD. 1 4 5 9 3 22
BYD COMPANY LIMITED 0 0 2 12 7 21
DAIMLER AG 0 1 6 6 8 21
IDATECH LLC 3 3 2 6 7 21
ROBERT BOSCH GMBH 2 3 4 6 5 20
GS YUASA CORPORATION 3 1 5 6 4 19
SIEMENS AKTIENGESELLSCHAFT 3 6 2 2 6 19
MITSUBISHI CHEMICAL CORPORATION 6 0 2 1 9 18
A123SYSTEMS, INC. 1 3 1 3 9 17
CALIFORNIA INSTITUTE OF TECHNOLOGY 4 5 4 4 0 17
POLYPLUS BATTERY COMPANY, INC. 3 2 2 7 3 17
TDK CORPORATION 2 4 0 9 2 17
CASIO COMPUTER CO. LTD. 0 1 4 5 6 16
CORNING INCORPORATED 5 3 3 3 2 16
MTI MICROFUEL CELLS, INC. 7 4 3 1 1 16
NGK INSULATORS LTD. 1 1 3 3 8 16
VALENCE TECHNOLOGY, INC. 4 3 2 4 3 16
ASAHI GLASS COMPANY, LTD. 3 1 1 4 6 15
DENSO CORPORATION 5 3 3 3 1 15
MITSUBISHI MATERIALS CORPORATION 3 1 1 3 7 15
UNITED STATES OF AMERICA, ARMY 1 2 4 5 3 15
PROTON ENERGY SYSTEMS, INC. 5 4 2 2 1 14
UNITED STATES OF AMERICA, NAVY 3 1 3 3 4 14
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 5 2 1 4 2 14
BALLARD POWER SYSTEMS INC. 6 4 3 0 0 13
LG ELECTRONICS INC. 0 3 0 7 3 13
SUMITOMO ELECTRIC INDUSTRIES, LTD. 2 1 4 3 3 13
ULTRACELL CORPORATION 1 0 2 6 4 13
BLACK & DECKER INC. 4 2 2 3 1 12
E. I. DU PONT DE NEMOURS AND COMPANY 2 3 4 2 1 12
PANASONIC EV ENERGY CO., LTD. 1 0 0 4 7 12
SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO., LTD. 0 2 2 5 3 12
SHINKO ELECTRIC INDUSTRIES CO., LTD. 3 2 1 5 1 12
SION POWER CORPORATION 2 3 1 4 2 12
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 0 2 2 3 5 12
BATTELLE MEMORIAL INSTITUTE 3 2 1 5 0 11
HITACHI CHEMICAL COMPANY, LTD. 1 4 0 2 4 11
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 1 1 1 3 5 11
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC 0 2 0 5 4 11
OVONIC BATTERY COMPANY, INC. 8 0 2 1 0 11
SAFT-SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION 1 1 1 4 4 11
STANFORD UNIVERSITY 1 1 0 8 1 11
AIRBUS DEUTSCHLAND GMBH 1 0 3 4 2 10
ANGSTROM POWER INC. 4 2 1 1 2 10
BASF FUEL CELL GMBH 0 2 1 4 3 10
HITACHI VEHICLE ENERGY, LTD. 0 0 0 1 9 10
INSTITUTE OF NUCLEAR ENERGY RESEARCH, CHINESE ATOMIC ENERGY COUNCIL, TAIWAN 0 2 0 4 4 10
KYOCERA CORPORATION 3 2 2 1 2 10
ROVCAL, INC. 1 0 1 6 2 10
SAMSUNG ELECTRONICS CO., LTD. 2 1 2 1 4 10
SEIMI CHEMICAL CO., LTD. 1 3 3 2 1 10
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 6 0 2 2 0 10
SUMITOMO CHEMICAL COMPANY, LIMITED 0 2 2 1 5 10
TESLA MOTORS, INC. 0 0 0 6 4 10
VERSA POWER SYSTEMS, LTD. 4 0 2 1 3 10
EVONIK DEGUSSA GMBH 0 0 0 7 2 9
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 0 0 4 1 4 9
GORE ENTERPRISE HOLDINGS, INC. 2 2 2 1 2 9
HYDRO-QUEBEC 0 0 0 1 8 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 0 1 3 3 2 9
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 2 0 1 2 4 9
NUVERA FUEL CELLS EUROPE S.R.L. 2 1 1 2 3 9
POWERGENIX SYSTEMS, INC. 0 0 1 4 4 9
PROTONEX TECHNOLOGY CORPORATION 1 1 2 2 3 9
SIEMENS ENERGY, INC. 0 1 1 4 3 9
UNIVERSITY OF ILLINOIS 3 0 3 3 0 9
MITSUBISHI PENCIL CO., LTD. 0 0 2 4 2 8
NAN YA PRINTED CIRCUIT BOARD CORPORATION 0 0 6 2 0 8
NITTO DENKO CORPORATION 0 2 2 4 0 8
NOK CORPORATION 2 1 1 4 0 8
NUCELLSYS GMBH 3 4 0 0 1 8
ROLLS-ROYCE PLC 0 4 2 1 1 8
SOCIETE BIC S.A. 2 1 0 3 2 8
TOSHIBA BATTERY CO., LTD. 1 2 1 3 1 8
UT-BATTELLE, LLC 2 0 0 4 2 8
ADAPTIVE MATERIALS, INC. 0 0 1 4 2 7
AISIN SEIKI KABUSHIKI KAISHA 1 1 1 3 1 7
BAYERISCHE MOTOREN WERKE AG 2 2 0 1 2 7
BRIDGESTONE CORPORATION 1 1 1 1 3 7
CARDIAC PACEMAKERS, INC. 0 1 1 1 4 7
CYMBET CORPORATION 2 1 1 1 2 7
DAI NIPPON PRINTING CO. LTD 0 0 3 1 3 7
DEGUSSA AKTIENGESELLSCHAFT 0 1 1 4 1 7
ELRING KLINGER AG 0 0 1 6 0 7
FORD MOTOR COMPANY 2 1 2 0 2 7
FORSCHUNGSZENTRUM JULICH GMBH 3 1 2 0 1 7
FUJITSU LIMITED 0 0 3 2 2 7
GINER ELECTROCHEMICAL SYSTEMS LLC 1 1 1 1 3 7
HYDROGENICS CORPORATION 0 6 1 0 0 7
JOHNSON CONTROLS TECHNOLOGY COMPANY 0 1 0 4 2 7
KABUSHIKIKAISHA EQUOS RESEARCH CO., LTD. 1 1 0 4 1 7
MOTOROLA, INC. 3 1 0 3 0 7
NANOTEK INSTRUMENTS, INC. 2 0 0 3 2 7
RENAULT S.A.S. 1 2 1 2 1 7
SHIN ETSU CHEMICAL CO., LTD. 1 2 0 3 1 7
SHOWA DENKO KABUSHIKI KAISHA 1 2 2 1 1 7
TECHNOLOGY FINANCE CORPORATION (PROPRIETARY) LIMITED 0 1 1 4 1 7
UNIVERSITY OF SOUTH FLORIDA 0 1 0 4 2 7
UTC FUEL CELLS, LLC 4 2 0 0 1 7
ALCATEL-LUCENT USA INC. 0 0 1 4 1 6
ASAHI KASEI CHEMICALS CORPORATION 0 1 1 2 2 6
BDF IP HOLDINGS LTD. 0 0 3 0 3 6
BOSTON-POWER, INC. 0 0 0 3 3 6
CERAMIC FUEL CELLS LIMITED 0 1 1 2 2 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 4 2 0 0 0 6
FREUDENBERG-NOK GENERAL PARTNERSHIP 0 1 1 3 1 6
HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. 1 0 3 0 2 6
JADOO POWER SYSTEMS, INC. 1 0 0 3 2 6
JSR CORPORATION 0 3 0 1 2 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 0 1 1 3 1 6
MICROCELL CORPORATION 1 1 1 1 2 6
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA 0 0 1 3 2 6
MITSUI MINING + SMELTING CO., LTD. 0 1 0 3 2 6
PLURION LIMITED 4 0 2 0 0 6
SAMSUNG ELECTRO-MECHANICS CO., LTD. 0 1 0 1 4 6
SEIKO INSTRUMENTS INC. 0 0 1 2 3 6
SHIN KOBE ELECTRIC MACHINERY CO., LTD. 0 0 3 3 0 6
UMICORE AG & CO. KG 1 0 0 1 4 6
ABBOTT DIABETES CARE INC. 1 1 0 1 2 5
AEROVIRONMENT INC. 0 0 5 0 0 5
AIR PRODUCTS AND CHEMICALS, INC. 1 2 1 1 0 5
ALBERTA RESEARCH COUNCIL INC. 2 1 0 2 0 5
CELLTECH POWER, INC. 1 0 0 2 2 5
CHANGS ASCENDING ENTERPRISE CO., LTD. 1 0 3 1 0 5
DAIKIN INDUSTRIES LIMITED 0 1 1 2 1 5
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 1 2 0 1 1 5
ENERDEL, INC. 0 0 1 2 2 5
FUJIFILM CORPORATION 0 4 0 0 1 5
GAS TECHNOLOGY INSTITUTE 0 2 0 2 1 5
GS YUASA INTERNATIONAL LTD. 0 0 0 0 5 5
HITACHI CABLE, LTD. 0 0 0 2 3 5
HITACHI MAXELL ENERGY, LTD. 0 0 0 0 5 5
HON HAI PRECISION IND. CO., LTD. 0 1 1 1 2 5
INTELLIGENT ENERGY LIMITED 0 1 1 1 2 5
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 0 3 0 1 1 5
LILLIPUTIAN SYSTEMS INC. 0 0 1 1 3 5
MAKITA CORPORATION 2 0 1 0 2 5
NANOSYS, INC. 1 0 0 1 3 5
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY 0 0 2 2 1 5
NEXTECH MATERIALS, LTD. 0 0 2 2 1 5
NILAR INTERNATIONAL AB 1 1 0 2 1 5
POLYFUEL, INC. 1 2 2 0 0 5
REINZ-DICHTUNGS-GMBH CO. KG. 0 1 0 3 1 5
RELION, INC. 0 1 0 2 2 5
TEL AVIV UNIVERSITY FUTURE TECHNOLOGY DEVELOPMENT L.P. 0 1 2 1 1 5
TEXACO INC. 1 2 0 2 0 5
VB AUTOBATTERIE GMBH & CO. KGAA 0 0 2 1 2 5


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