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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 065, Glass Manufacturing

( 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
CORNING INCORPORATED 28 28 19 31 13 119
~Individually Owned Patent 7 18 12 8 10 55
EMHART GLASS S.A. 8 4 7 21 4 44
HOYA CORPORATION 3 7 9 8 5 32
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 5 8 6 10 32
OWENS-BROCKWAY GLASS CONTAINER INC. 9 9 4 5 4 31
SCHOTT GLASWERKE 1 6 3 11 8 29
ASAHI GLASS COMPANY, LTD. 8 8 3 4 5 28
ALCATEL 7 5 8 2 3 25
SHIN ETSU CHEMICAL CO., LTD. 2 7 5 7 4 25
SAMSUNG ELECTRONICS CO., LTD. 2 6 8 4 3 23
NIPPON SHEET GLASS CO., LTD. 3 6 7 6 0 22
FITEL U.S.A. CORP. 0 9 7 3 1 20
HERAEUS QUARZGLAS GMBH & CO. KG 5 4 5 5 1 20
GLASSTECH, INC. 5 4 5 2 0 16
LUCENT TECHNOLOGIES INC. 5 3 2 6 0 16
OWENS-CORNING FIBERGLAS CORPORATION 9 2 0 4 0 15
FURUKAWA ELECTRIC CO., LTD. 2 1 5 3 2 13
SAINT-GOBAIN GLASS FRANCE 0 5 2 2 1 10
JOHNS MANVILLE INTERNATIONAL, INC. 3 3 1 1 1 9
NIKON CORPORATION 2 3 1 3 0 9
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 0 1 4 3 0 8
MICRON TECHNOLOGY, INC. 1 1 3 2 1 8
GUARDIAN INDUSTRIES CORPORATION 1 0 1 5 0 7
BOC GROUP, INC. 0 2 0 4 0 6
JDS UNIPHASE CORPORATION 0 1 4 0 1 6
PIRELLI CAVI E SISTEMI S.P.A. 0 1 2 2 1 6
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 3 0 0 1 2 6
3M INNOVATIVE PROPERTIES COMPANY 2 0 1 1 1 5
FURUKAWA ELECTRIC NORTH AMERICA INC. 0 0 0 2 3 5
GENERAL ELECTRIC COMPANY 0 0 2 2 1 5
NIPPON ELECTRIC GLASS COMPANY LIMITED 0 0 2 1 2 5
TAMGLASS LTD. OY 0 2 1 0 2 5
TOSHIBA MACHINE CO., LTD. 0 1 0 2 2 5
VISTEON GLOBAL TECHNOLOGIES, INC. 3 1 0 0 1 5


PTMB Contacts

Questions regarding these reports should be directed to:

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

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


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