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

Patenting In Technology Classes,
Breakout By Organization

Count of 2005 - 2009 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 320, Electricity: Battery or Capacitor Charging or Discharging

( 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 2005 2006 2007 2008 2009 Total
~INDIVIDUALLY OWNED PATENT 19 14 17 9 23 82
SONY CORPORATION 6 10 8 12 15 51
SANYO ELECTRIC CO., LTD. 7 3 4 8 12 34
MILWAUKEE ELECTRIC TOOL CORPORATION 2 1 7 10 11 31
MOTOROLA, INC. 14 7 4 2 4 31
O2 MICRO INTERNATIONAL LTD. 7 7 3 5 9 31
RESEARCH IN MOTION LIMITED 1 4 7 5 11 28
NISSAN MOTOR COMPANY, LIMITED 1 4 3 5 14 27
DELL PRODUCTS, L.P. 3 0 1 6 14 24
BLACK & DECKER INC. 5 2 1 7 7 22
PANASONIC EV ENERGY CO., LTD. 2 3 3 4 7 19
LG CHEMICAL LTD. 0 0 0 4 13 17
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 5 6 3 3 0 17
ROBERT BOSCH GMBH 4 1 3 3 6 17
TOYOTA JIDOSHA K.K. 1 1 2 3 10 17
SAMSUNG SDI CO., LTD. 0 0 0 0 16 16
CANON KABUSHIKI KAISHA 0 1 2 6 4 13
HITACHI KOKI COMPANY, LIMITED 3 3 0 3 4 13
NATIONAL SEMICONDUCTOR CORPORATION 2 1 1 3 6 13
INTERNATIONAL BUSINESS MACHINES CORPORATION 1 1 1 4 5 12
SAMSUNG ELECTRONICS CO., LTD. 1 1 4 2 4 12
DENSO CORPORATION 2 1 0 2 6 11
FORD GLOBAL TECHNOLOGIES, L.L.C. 0 2 4 1 4 11
QUALLION, LLC 2 1 1 2 5 11
FUJITSU LIMITED 2 2 2 1 3 10
HITACHI, LTD 4 1 1 2 2 10
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 1 1 1 4 3 10
PANASONIC CORPORATION 0 0 0 1 9 10
TEXAS INSTRUMENTS, INCORPORATED 4 1 0 3 2 10
VB AUTOBATTERIE GMBH & CO. KGAA 3 1 2 2 2 10
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 1 0 1 3 4 9
MIDTRONICS, INC. 2 1 1 1 4 9
MITSUMI ELECTRIC CO., LTD. 0 1 3 1 4 9
SEIKO INSTRUMENTS INC. 2 2 1 1 3 9
YAZAKI CORP. 1 2 1 1 4 9
GENERAL MOTORS CORPORATION 5 1 2 0 0 8
GM GLOBAL TECHNOLOGY OPERATIONS, INC. 0 0 0 2 6 8
INTERSIL AMERICAS INC. 2 2 2 1 1 8
MAKITA CORPORATION 0 6 1 1 0 8
MATSUSHITA ELECTRIC WORKS, LTD. 0 0 2 0 6 8
AMERICAN POWER CONVERSION CORPORATION 1 1 0 3 2 7
HONEYWELL INTERNATIONAL INC. 1 0 2 1 3 7
LG ELECTRONICS INC. 1 1 1 1 3 7
RICOH COMPANY, LTD. 0 2 2 0 3 7
GENERAL ELECTRIC COMPANY 1 2 0 0 3 6
HYUNDAI MOTOR COMPANY 2 1 1 2 0 6
SEIKO EPSON CORPORATION 0 1 2 1 2 6
SOUTHWEST ELECTRONIC ENERGY CORPORATION 0 0 4 0 2 6
SYMBOL TECHNOLOGIES, INC. 0 0 1 1 4 6
ACCESS BUSINESS GROUP INTERNATIONAL LLC 0 0 0 1 4 5
BOEING COMPANY 3 1 0 0 1 5
COBASYS, LLC 0 0 0 2 3 5
ENERDEL, INC. 0 3 2 0 0 5
EVEREADY BATTERY COMPANY, INC. 0 0 0 0 5 5
HILTI AKTIENGESELLSCHAFT 2 2 0 0 1 5
INTERNATIONAL COMPONENTS CORPORATION 0 1 1 1 2 5
JADOO POWER SYSTEMS, INC. 0 2 2 0 1 5
LENOVO (SINGAPORE) PTE LTD 0 0 3 1 1 5
NEC ELECTRONICS CORPORATION 0 0 0 3 2 5
ROHM COMPANY LIMITED 3 0 0 1 1 5
SPX CORPORATION 1 2 0 0 2 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/


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