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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 1998 - 2002 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 1998 1999 2000 2001 2002 Total
CORNING INCORPORATED 14 12 11 28 28 93
~Individually Owned Patent 11 22 8 7 18 66
OWENS-BROCKWAY GLASS CONTAINER INC. 15 19 8 9 9 60
ASAHI GLASS COMPANY, LTD. 8 7 4 8 8 35
LUCENT TECHNOLOGIES INC. 4 12 11 5 3 35
EMHART GLASS S.A. 1 14 5 8 4 32
OWENS-CORNING FIBERGLAS CORPORATION 11 7 3 9 2 32
GLASSTECH, INC. 1 12 5 5 4 27
HOYA CORPORATION 1 3 8 3 7 22
SUMITOMO ELECTRIC INDUSTRIES CO., LTD. 3 5 6 3 5 22
HERAEUS QUARZGLAS GMBH & CO. KG 7 2 3 5 4 21
ALCATEL 0 2 5 7 5 19
SAINT-GOBAIN VITRAGE 5 5 6 1 1 18
SAMSUNG ELECTRONICS CO., LTD. 0 7 3 2 6 18
EMHART GLASS MACHINERY INVESTMENTS INC. 13 2 0 0 0 15
JOHNS MANVILLE INTERNATIONAL, INC. 2 3 4 3 3 15
NIPPON SHEET GLASS CO., LTD. 1 1 3 3 6 14
SCHOTT GLASWERKE 2 3 2 1 6 14
SHIN ETSU CHEMICAL CO., LTD. 0 1 3 2 7 13
NIKON CORPORATION 1 2 3 2 3 11
CANON KABUSHIKI KAISHA 5 4 0 0 1 10
EASTMAN KODAK COMPANY 5 1 0 2 2 10
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 4 2 3 0 1 10
PPG INDUSTRIES OHIO INC. 0 4 5 1 0 10
FITEL U.S.A. CORP. 0 0 0 0 9 9
ISOVER SAINT-GOBAIN 2 3 3 1 0 9
PILKINGTON GLASS LIMITED 8 1 0 0 0 9
PPG INDUSTRIES INC. 6 3 0 0 0 9
FURUKAWA ELECTRIC CO., LTD. 0 4 1 2 1 8
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 2 1 2 2 0 7
OLYMPUS OPTICAL CO., LTD. 3 1 1 2 0 7
UNITED STATES OF AMERICA, NAVY 2 2 2 1 0 7
UNIVERSITY OF CALIFORNIA, THE REGENTS OF 0 1 3 3 0 7
ALCATEL FIBRES OPTIQUES 1 4 0 1 0 6
FORD MOTOR COMPANY 3 2 1 0 0 6
PRAXAIR TECHNOLOGY, INC. 2 3 0 1 0 6
SHIN-ETSU QUARTZ PRODUCTS CO., LTD. 2 1 1 1 1 6
U.S. PHILIPS CORPORATION 2 1 1 2 0 6
BOC GROUP, INC. 3 0 0 0 2 5
GAS RESEARCH INSTITUTE 5 0 0 0 0 5
GUARDIAN FIBERGLASS, INC. 0 1 1 2 1 5
SAINT-GOBAIN GLASS FRANCE 0 0 0 0 5 5
TELEFONAKTIEBOLAGET LM ERICSSON 1 1 2 0 1 5
THE FIRM HERMANN HEYE 3 1 0 1 0 5


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