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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Team (PTMT)

Patenting In Technology Classes,
Breakout By Organization

Count of 2004 - 2008 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 2004 2005 2006 2007 2008 Total
~INDIVIDUALLY OWNED PATENT 31 19 14 17 9 90
SONY CORPORATION 4 6 10 8 12 40
MOTOROLA, INC. 12 14 7 4 2 39
SANYO ELECTRIC CO., LTD. 7 7 3 4 8 29
O2 MICRO INTERNATIONAL LTD. 2 7 7 3 5 24
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 6 5 6 3 3 23
MILWAUKEE ELECTRIC TOOL CORPORATION 1 2 1 7 10 21
RESEARCH IN MOTION LIMITED 2 1 4 7 5 19
BLACK & DECKER INC. 3 5 2 1 7 18
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 9 1 1 1 4 16
NISSAN MOTOR COMPANY, LIMITED 1 1 4 3 5 14
PANASONIC EV ENERGY CO., LTD. 2 2 3 3 4 14
HITACHI, LTD 3 4 1 1 2 11
NATIONAL SEMICONDUCTOR CORPORATION 4 2 1 1 3 11
ROBERT BOSCH GMBH 0 4 1 3 3 11
SAMSUNG ELECTRONICS CO., LTD. 3 1 1 4 2 11
TEXAS INSTRUMENTS, INCORPORATED 3 4 1 0 3 11
TOYOTA JIDOSHA K.K. 4 1 1 2 3 11
CANON KABUSHIKI KAISHA 1 0 1 2 6 10
DELL PRODUCTS, L.P. 0 3 0 1 6 10
HITACHI KOKI COMPANY, LIMITED 1 3 3 0 3 10
INTERNATIONAL BUSINESS MACHINES CORPORATION 3 1 1 1 4 10
FORD GLOBAL TECHNOLOGIES, L.L.C. 2 0 2 4 1 9
FUJITSU LIMITED 2 2 2 2 1 9
GENERAL MOTORS CORPORATION 1 5 1 2 0 9
MAKITA CORPORATION 1 0 6 1 1 9
SEIKO INSTRUMENTS INC. 3 2 2 1 1 9
VB AUTOBATTERIE GMBH & CO. KGAA 1 3 1 2 2 9
YAZAKI CORP. 4 1 2 1 1 9
HYUNDAI MOTOR COMPANY 2 2 1 1 2 8
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 2 1 0 1 3 7
INTERSIL AMERICAS INC. 0 2 2 2 1 7
LG ELECTRONICS INC. 3 1 1 1 1 7
MIDTRONICS, INC. 2 2 1 1 1 7
MITSUMI ELECTRIC CO., LTD. 2 0 1 3 1 7
RICOH COMPANY, LTD. 3 0 2 2 0 7
VALENCE TECHNOLOGY, INC. 4 2 1 0 0 7
BOEING COMPANY 2 3 1 0 0 6
DENSO CORPORATION 1 2 1 0 2 6
QUALLION, LLC 0 2 1 1 2 6
WILSON GREATBATCH TECHNOLOGIES, INC. 2 1 2 0 1 6
ALCATEL 3 2 0 0 0 5
AMERICAN POWER CONVERSION CORPORATION 0 1 1 0 3 5
ENERDEL, INC. 0 0 3 2 0 5
ENERGY STORAGE SYSTEMS PTY. LTD. 1 1 3 0 0 5
HONEYWELL INTERNATIONAL INC. 1 1 0 2 1 5
SEIKO EPSON CORPORATION 1 0 1 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
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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