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

Patenting In Technology Classes,
Breakout By Organization

Count of 2001 - 2005 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 2001 2002 2003 2004 2005 Total
~Individually Owned Patent 41 38 33 31 19 162
MOTOROLA, INC. 15 13 8 12 14 62
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 16 14 18 6 5 59
SONY CORPORATION 11 9 7 4 6 37
SANYO ELECTRIC CO., LTD. 5 6 4 7 7 29
FUJITSU LIMITED 6 11 4 2 2 25
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 7 5 2 9 1 24
BLACK & DECKER INC. 6 3 3 3 5 20
SEIKO INSTRUMENTS INC. 7 3 5 3 2 20
GENERAL MOTORS CORPORATION 3 4 6 1 5 19
MAKITA CORPORATION 8 7 3 1 0 19
HITACHI, LTD 6 3 2 3 4 18
INTERNATIONAL BUSINESS MACHINES CORPORATION 5 5 3 3 1 17
O2 MICRO INTERNATIONAL LTD. 4 1 3 2 7 17
TEXAS INSTRUMENTS, INCORPORATED 4 3 3 3 4 17
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 9 8 0 0 0 17
YAZAKI CORP. 9 1 2 4 1 17
DENSO CORPORATION 4 2 7 1 2 16
NATIONAL SEMICONDUCTOR CORPORATION 2 2 5 4 2 15
TELEFONAKTIEBOLAGET LM ERICSSON 8 4 2 1 0 15
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 8 3 1 1 13
MIDTRONICS, INC. 4 4 1 2 2 13
NEC CORPORATION 3 5 1 4 0 13
SAMSUNG ELECTRONICS CO., LTD. 4 4 1 3 1 13
TOYOTA JIDOSHA K.K. 3 2 3 4 1 13
ALCATEL 1 5 1 3 2 12
DELPHI TECHNOLOGIES, INC. 3 3 3 2 1 12
FORD GLOBAL TECHNOLOGIES, INC. 7 3 1 0 0 11
HEWLETT-PACKARD COMPANY 3 7 0 0 0 10
LG ELECTRONICS INC. 1 2 3 3 1 10
MITSUMI ELECTRIC CO., LTD. 5 1 2 2 0 10
HYUNDAI MOTOR CO., LTD. 2 2 1 2 2 9
MILWAUKEE ELECTRIC TOOL CORPORATION 2 1 3 1 2 9
SNAP-ON TECHNOLOGIES, INC. 7 2 0 0 0 9
BOEING COMPANY 0 3 0 2 3 8
DELL PRODUCTS, L.P. 5 0 0 0 3 8
HITACHI KOKI COMPANY, LIMITED 1 2 1 1 3 8
VB AUTOBATTERIE GMBH 1 1 2 1 3 8
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION 0 2 3 1 1 7
HONEYWELL INTERNATIONAL INC. 0 3 2 1 1 7
JAPAN STORAGE BATTERY COMPANY LIMITED 6 0 0 1 0 7
NISSAN MOTOR COMPANY, LIMITED 0 2 3 1 1 7
RICOH COMPANY, LTD. 2 1 1 3 0 7
VALENCE TECHNOLOGY, INC. 0 0 1 4 2 7
MITSUBISHI DENKI KABUSHIKI KAISHA 0 4 2 0 0 6
NOKIA MOBILE PHONES LTD. 2 3 1 0 0 6
PRIMAX ELECTRONICS LTD. 0 0 3 3 0 6
QUALLION, LLC 0 2 2 0 2 6
RESEARCH IN MOTION LIMITED 1 1 1 2 1 6
SEIKO EPSON CORPORATION 2 2 1 1 0 6
DALLAS SEMICONDUCTOR CORPORATION 3 1 0 0 1 5
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 0 0 2 2 1 5
INTERMEC IP CORP. 4 0 1 0 0 5
MURATA MANUFACTURING CO., LTD. 5 0 0 0 0 5
PALM, INC. 0 2 3 0 0 5
QUALCOMM, INC. 3 0 1 1 0 5
ROBERT BOSCH GMBH 0 0 1 0 4 5
ROHM COMPANY LIMITED 2 0 0 0 3 5
SHOOT THE MOON PRODUCTS II, LLC 2 1 1 1 0 5
SIEMENS AKTIENGESELLSCHAFT 3 2 0 0 0 5
TOSHIBA BATTERY CO., LTD. 2 1 1 1 0 5
U.S. PHILIPS CORPORATION 3 2 0 0 0 5
ZINC MATRIX POWER, INC. 0 1 1 1 2 5


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMB
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

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

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