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


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

Patenting In Technology Classes,
Breakout By Organization

Count of 2006 - 2010 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 2006 2007 2008 2009 2010 Total
SAMSUNG SDI CO., LTD. 30 44 41 83 180 378
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 54 49 45 50 86 284
PANASONIC CORPORATION 0 0 8 78 124 210
SONY CORPORATION 40 40 21 28 72 201
SANYO ELECTRIC CO., LTD. 19 27 30 32 44 152
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 5 37 107 149
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 52 35 49 0 0 136
NISSAN MOTOR COMPANY, LIMITED 21 26 27 21 33 128
TOYOTA JIDOSHA K.K. 7 10 17 31 57 122
GENERAL MOTORS CORPORATION 19 34 35 11 2 101
~INDIVIDUALLY OWNED PATENT 21 15 12 23 29 100
TOSHIBA CORPORATION 12 13 11 25 28 89
LG CHEMICAL LTD. 2 4 4 28 46 84
GILLETTE COMPANY 16 15 9 18 12 70
DELPHI TECHNOLOGIES, INC. 16 9 7 10 13 55
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 22 10 10 9 4 55
EVEREADY BATTERY COMPANY, INC. 2 4 9 16 21 52
HITACHI, LTD 8 7 4 8 15 42
NEC CORPORATION 10 7 6 8 10 41
UTC FUEL CELLS, LLC 33 4 2 0 0 39
CANON KABUSHIKI KAISHA 1 2 5 12 16 36
UTC POWER CORPORATION 0 7 10 9 10 36
PLUG POWER INC. 15 8 6 3 2 34
3M INNOVATIVE PROPERTIES COMPANY 3 5 5 9 11 33
QUALLION, LLC 6 6 6 11 4 33
HITACHI MAXELL, LTD. 3 7 9 8 5 32
MEDTRONIC INC. 0 2 3 6 18 29
GENERAL ELECTRIC COMPANY 6 3 4 8 7 28
BALLARD POWER SYSTEMS INC. 12 6 4 3 0 25
COMMISSARIAT A L'ENERGIE ATOMIQUE 2 4 3 5 11 25
BLOOM ENERGY CORPORATION 2 2 3 5 10 22
HYUNDAI MOTOR COMPANY 3 3 0 4 12 22
GS YUASA CORPORATION 6 3 1 5 6 21
CALIFORNIA INSTITUTE OF TECHNOLOGY 3 4 5 4 4 20
UBE INDUSTRIES LTD. 1 4 0 6 9 20
UCHICAGO ARGONNE LLC 1 3 7 3 5 19
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 7 5 2 1 4 19
WILSON GREATBATCH LTD. 0 1 4 5 9 19
FUELCELL ENERGY, INC. 2 3 7 2 4 18
MTI MICROFUEL CELLS, INC. 3 7 4 3 1 18
PROTON ENERGY SYSTEMS, INC. 5 5 4 2 2 18
DENSO CORPORATION 3 5 3 3 3 17
VALENCE TECHNOLOGY, INC. 4 4 3 2 4 17
IDATECH LLC 2 3 3 2 6 16
E. I. DU PONT DE NEMOURS AND COMPANY 4 2 3 4 2 15
HONEYWELL INTERNATIONAL INC. 1 0 3 3 8 15
ROBERT BOSCH GMBH 0 2 3 4 6 15
TDK CORPORATION 0 2 4 0 9 15
UNITED STATES OF AMERICA, ARMY 3 1 2 4 5 15
BYD COMPANY LIMITED 0 0 0 2 12 14
CORNING INCORPORATED 0 5 3 3 3 14
POLYPLUS BATTERY COMPANY, INC. 0 3 2 2 7 14
SIEMENS AKTIENGESELLSCHAFT 1 3 6 2 2 14
UNITED STATES OF AMERICA, NAVY 4 3 1 3 3 14
ANGSTROM POWER INC. 5 4 2 1 1 13
BLACK & DECKER INC. 2 4 2 2 3 13
DAIMLER AG 0 0 1 6 6 13
OVONIC BATTERY COMPANY, INC. 2 8 0 2 1 13
SHINKO ELECTRIC INDUSTRIES CO., LTD. 2 3 2 1 5 13
HYDROGENICS CORPORATION 5 0 6 1 0 12
MOTOROLA, INC. 5 3 1 0 3 12
NGK INSULATORS LTD. 4 1 1 3 3 12
BATTELLE MEMORIAL INSTITUTE 0 3 2 1 5 11
MITSUBISHI CHEMICAL CORPORATION 2 6 0 2 1 11
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 1 2 1 4 3 11
ASAHI GLASS COMPANY, LTD. 1 3 1 1 4 10
CASIO COMPUTER CO. LTD. 0 0 1 4 5 10
LG ELECTRONICS INC. 0 0 3 0 7 10
SEIMI CHEMICAL CO., LTD. 1 1 3 3 2 10
SHARP KABUSHIKI KAISHA (SHARP CORPORATION) 0 6 0 2 2 10
SION POWER CORPORATION 0 2 3 1 4 10
STANFORD UNIVERSITY 0 1 1 0 8 10
UNIVERSITY OF ILLINOIS 1 3 0 3 3 10
A123SYSTEMS, INC. 1 1 3 1 3 9
GORE ENTERPRISE HOLDINGS, INC. 2 2 2 2 1 9
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, TAIWAN 2 0 1 3 3 9
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY 3 1 1 1 3 9
MITSUBISHI MATERIALS CORPORATION 1 3 1 1 3 9
NITTO DENKO CORPORATION 1 0 2 2 4 9
NOK CORPORATION 1 2 1 1 4 9
NUCELLSYS GMBH 2 3 4 0 0 9
ROVCAL, INC. 1 1 0 1 6 9
SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO., LTD. 0 0 2 2 5 9
ULTRACELL CORPORATION 0 1 0 2 6 9
WILSON GREATBATCH TECHNOLOGIES, INC. 8 1 0 0 0 9
AIRBUS DEUTSCHLAND GMBH 0 1 0 3 4 8
FORSCHUNGSZENTRUM JULICH GMBH 2 3 1 2 0 8
KABUSHIKIKAISHA EQUOS RESEARCH CO., LTD. 2 1 1 0 4 8
KYOCERA CORPORATION 0 3 2 2 1 8
NAN YA PRINTED CIRCUIT BOARD CORPORATION 0 0 0 6 2 8
ROLLS-ROYCE PLC 1 0 4 2 1 8
BASF FUEL CELL GMBH 0 0 2 1 4 7
CYMBET CORPORATION 2 2 1 1 1 7
ELRING KLINGER AG 0 0 0 1 6 7
EVONIK DEGUSSA GMBH 0 0 0 0 7 7
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 2 0 0 4 1 7
HITACHI CHEMICAL COMPANY, LTD. 0 1 4 0 2 7
JOHNSON MATTHEY PUBLIC LIMITED COMPANY 3 0 3 0 1 7
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC 0 0 2 0 5 7
NUVERA FUEL CELLS EUROPE S.R.L. 1 2 1 1 2 7
OVONIC FUEL CELL COMPANY LLC 3 2 1 1 0 7
POLYFUEL, INC. 2 1 2 2 0 7
PROTONEX TECHNOLOGY CORPORATION 1 1 1 2 2 7
RELION, INC. 4 0 1 0 2 7
SAFT-SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION 0 1 1 1 4 7
SHIN ETSU CHEMICAL CO., LTD. 1 1 2 0 3 7
SOCIETE BIC S.A. 1 2 1 0 3 7
TOSHIBA BATTERY CO., LTD. 0 1 2 1 3 7
TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. 0 0 2 2 3 7
UT-BATTELLE, LLC 1 2 0 0 4 7
VERSA POWER SYSTEMS, LTD. 0 4 0 2 1 7
AISIN SEIKI KABUSHIKI KAISHA 0 1 1 1 3 6
CERAMIC FUEL CELLS LIMITED 2 0 1 1 2 6
DAI NIPPON PRINTING CO. LTD 2 0 0 3 1 6
DAIMLER-CHRYSLER AKTIENGESELLSCHAFT 0 4 2 0 0 6
DEGUSSA AKTIENGESELLSCHAFT 0 0 1 1 4 6
FORD MOTOR COMPANY 1 2 1 2 0 6
FUJITSU LIMITED 2 0 0 3 1 6
GAS TECHNOLOGY INSTITUTE 2 0 2 0 2 6
INSTITUTE OF NUCLEAR ENERGY RESEARCH, CHINESE ATOMIC ENERGY COUNCIL, TAIWAN 0 0 2 0 4 6
JOHNSON CONTROLS TECHNOLOGY COMPANY 1 0 1 0 4 6
KUREHA KAGAKU KOGYO K.K. 2 0 0 0 4 6
MASSACHUSETTS INSTITUTE OF TECHNOLOGY 1 0 1 1 3 6
MITSUBISHI DENKI KABUSHIKI KAISHA 2 1 0 1 2 6
MITSUBISHI PENCIL CO., LTD. 0 0 0 2 4 6
PLURION LIMITED 0 4 0 2 0 6
POWERGENIX SYSTEMS, INC. 1 0 0 1 4 6
RENAULT S.A.S. 0 1 2 1 2 6
SAMSUNG ELECTRONICS CO., LTD. 0 2 1 2 1 6
SHIN KOBE ELECTRIC MACHINERY CO., LTD. 0 0 0 3 3 6
SHOWA DENKO KABUSHIKI KAISHA 0 1 2 2 1 6
SIEMENS ENERGY, INC. 0 0 1 1 4 6
TECHNOLOGY FINANCE CORPORATION (PROPRIETARY) LIMITED 0 0 1 1 4 6
TESLA MOTORS, INC. 0 0 0 0 6 6
UNIVERSITY OF SOUTH FLORIDA 1 0 1 0 4 6
VOLKSWAGEN AKTIENGESELLSCHAFT 2 1 0 0 3 6
ADAPTIVE MATERIALS, INC. 0 0 0 1 4 5
AEROVIRONMENT INC. 0 0 0 5 0 5
AIR PRODUCTS AND CHEMICALS, INC. 0 1 2 1 1 5
ALBERTA RESEARCH COUNCIL INC. 0 2 1 0 2 5
ALCATEL-LUCENT USA INC. 0 0 0 1 4 5
ASIA PACIFIC FUEL CELL TECHNOLOGIES, LTD. 3 2 0 0 0 5
BAYERISCHE MOTOREN WERKE AG 0 2 2 0 1 5
BRIDGESTONE CORPORATION 1 1 1 1 1 5
CHANGS ASCENDING ENTERPRISE CO., LTD. 0 1 0 3 1 5
DAIDO METAL COMPANY 2 1 2 0 0 5
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE 1 1 2 0 1 5
ENERDEL, INC. 2 0 0 1 2 5
FREUDENBERG-NOK GENERAL PARTNERSHIP 0 0 1 1 3 5
FUJI PHOTO FILM CO., LTD 5 0 0 0 0 5
ITT MANUFACTURING ENTERPRISES, INC. 2 0 0 1 2 5
JSR CORPORATION 1 0 3 0 1 5
KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO 0 2 0 1 2 5
NANOTEK INSTRUMENTS, INC. 0 2 0 0 3 5
NEC TOKIN CORPORATION 1 4 0 0 0 5
NILAR INTERNATIONAL AB 1 1 1 0 2 5
PANASONIC EV ENERGY CO., LTD. 0 1 0 0 4 5
SUMITOMO CHEMICAL COMPANY, LIMITED 0 0 2 2 1 5
TEXACO INC. 0 1 2 0 2 5
VB AUTOBATTERIE GMBH & CO. KGAA 2 0 0 2 1 5


PTMT Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


Top

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