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


U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

Patenting In Technology Classes,
Breakout By Organization

Count of 2000 - 2004 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 2000 2001 2002 2003 2004 Total
~Individually Owned Patent 40 41 38 33 31 183
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 10 16 14 18 6 64
MOTOROLA, INC. 15 15 13 8 12 63
SONY CORPORATION 12 11 9 7 4 43
HONDA GIKEN KOGYO KABUSHIKI KAISHA (HONDA MOTOR CO., LTD.) 6 7 5 2 9 29
SEIKO INSTRUMENTS INC. 11 7 3 5 3 29
SANYO ELECTRIC CO., LTD. 6 5 6 4 7 28
FUJITSU LIMITED 4 6 11 4 2 27
MAKITA CORPORATION 3 8 7 3 1 22
TOYODA JIDOSHOKKI SEISAKUSHO KABUSHIKI KAISHA 5 9 8 0 0 22
BLACK & DECKER INC. 6 6 3 3 3 21
NEC CORPORATION 6 3 5 1 4 19
TOYOTA JIDOSHA K.K. 7 3 2 3 4 19
GENERAL MOTORS CORPORATION 4 3 4 6 1 18
HITACHI, LTD 4 6 3 2 3 18
INTERNATIONAL BUSINESS MACHINES CORPORATION 2 5 5 3 3 18
SAMSUNG ELECTRONICS CO., LTD. 6 4 4 1 3 18
TELEFONAKTIEBOLAGET LM ERICSSON 2 8 4 2 1 17
DENSO CORPORATION 2 4 2 7 1 16
NATIONAL SEMICONDUCTOR CORPORATION 3 2 2 5 4 16
YAZAKI CORP. 0 9 1 2 4 16
HEWLETT-PACKARD COMPANY 5 3 7 0 0 15
ALCATEL 3 1 5 1 3 13
DELPHI TECHNOLOGIES, INC. 1 3 3 3 3 13
MIDTRONICS, INC. 2 4 4 1 2 13
TEXAS INSTRUMENTS, INCORPORATED 0 4 3 3 3 13
KONINKLIJKE PHILIPS ELECTRONICS N.V. 0 0 8 3 1 12
NISSAN MOTOR COMPANY, LIMITED 6 0 2 3 1 12
FORD GLOBAL TECHNOLOGIES, INC. 0 7 3 1 0 11
INTERMEC IP CORP. 6 4 0 1 0 11
MITSUMI ELECTRIC CO., LTD. 1 5 1 2 2 11
ERICSSON, INC. 6 2 0 2 0 10
LG ELECTRONICS INC. 1 1 2 3 3 10
LUCENT TECHNOLOGIES INC. 8 1 1 0 0 10
O2 MICRO INTERNATIONAL LTD. 0 4 1 3 2 10
DELL PRODUCTS, L.P. 4 5 0 0 0 9
SNAP-ON TECHNOLOGIES, INC. 0 7 2 0 0 9
U.S. PHILIPS CORPORATION 4 3 2 0 0 9
CANON KABUSHIKI KAISHA 5 0 1 1 1 8
HYUNDAI MOTOR CO., LTD. 1 2 2 1 2 8
MITSUBISHI DENKI KABUSHIKI KAISHA 2 0 4 2 0 8
NOKIA MOBILE PHONES LTD. 2 2 3 1 0 8
QUALCOMM, INC. 3 3 0 1 1 8
SIEMENS AKTIENGESELLSCHAFT 3 3 2 0 0 8
HITACHI KOKI COMPANY, LIMITED 2 1 2 1 1 7
HONEYWELL INTERNATIONAL INC. 1 0 3 2 1 7
JAPAN STORAGE BATTERY COMPANY LIMITED 0 6 0 0 1 7
MILWAUKEE ELECTRIC TOOL CORPORATION 0 2 1 3 1 7
RICOH COMPANY, LTD. 0 2 1 1 3 7
VB AUTOBATTERIE GMBH 2 1 1 2 1 7
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION 0 0 2 3 1 6
BOEING COMPANY 1 0 3 0 2 6
DALLAS SEMICONDUCTOR CORPORATION 2 3 1 0 0 6
JEOL LTD. 2 2 2 0 0 6
JOHNSON CONTROLS TECHNOLOGY COMPANY 2 2 1 0 1 6
MURATA MANUFACTURING CO., LTD. 1 5 0 0 0 6
PRIMAX ELECTRONICS LTD. 0 0 0 3 3 6
RESEARCH IN MOTION LIMITED 1 1 1 1 2 6
SEIKO EPSON CORPORATION 0 2 2 1 1 6
SPACE SYSTEMS/LORAL, INC. 5 0 1 0 0 6
COMPAQ COMPUTER CORPORATION, INC. 5 0 0 0 0 5
JOHNS HOPKINS UNIVERSITY 1 1 2 1 0 5
LOCKHEED MARTIN CORPORATION 2 1 2 0 0 5
PALM, INC. 0 0 2 3 0 5
SHOOT THE MOON PRODUCTS II, LLC 0 2 1 1 1 5
STRYKER CORPORATION 2 2 0 1 0 5
TOSHIBA BATTERY CO., LTD. 0 2 1 1 1 5
TOSHIBA CORPORATION 4 0 0 0 1 5
VALENCE TECHNOLOGY, INC. 0 0 0 1 4 5


PTMD Contacts

Questions regarding these reports should be directed to:

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

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

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


Top

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