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Gautam Bandyopadhyay
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Acton, MA, US
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last 30 patents
Information
Patent Grant
Method for making a tantala/silica interference using heat treatment
Patent number
5,843,518
Issue date
Dec 1, 1998
Osram Sylvania Inc.
Hongwen Li
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for making a tantala/silica interference filter on a vitreou...
Patent number
5,648,115
Issue date
Jul 15, 1997
Osram Sylvania Inc.
Gautam Bandyopadhyay
G02 - OPTICS
Information
Patent Grant
Method for making a tantala/silica interference filter on a vitreou...
Patent number
5,541,470
Issue date
Jul 30, 1996
Osram Sylvania Inc.
Gautam Bandyopadhyay
G02 - OPTICS
Information
Patent Grant
Method of making large cross section injection molded or slip cast...
Patent number
5,030,397
Issue date
Jul 9, 1991
GTE Laboratories Incorporated
Gautam Bandyopadhyay
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for fabricating large cross section injection molded ceramic...
Patent number
4,708,838
Issue date
Nov 24, 1987
GTE Laboratories Incorporated
Gautam Bandyopadhyay
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for injection molding and removing binder from large cross s...
Patent number
4,704,242
Issue date
Nov 3, 1987
GTE Laboratories Incorporated
Gautam Bandyopadhyay
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES