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Atsugi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Opaque silica glass article having transparent portion and process...
Patent number
6,405,563
Issue date
Jun 18, 2002
Tosoh Corporation
Hiroya Nagata
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Opaque silica glass article having transparent portion and process...
Patent number
6,312,775
Issue date
Nov 6, 2001
Tosoh Quartz Corporation
Hiroya Nagata
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Opaque quartz glass and process for production thereof
Patent number
5,972,488
Issue date
Oct 26, 1999
Tosoh Corporation
Hiroya Nagata
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
High-purity, opaque quartz glass, method for producing same and use...
Patent number
5,585,173
Issue date
Dec 17, 1996
Tosoh Corporation
Kenji Kamo
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Laminated silicon oxide film capacitors and method for their produc...
Patent number
5,088,003
Issue date
Feb 11, 1992
Tosoh Corporation
Naomichi Sakai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing powder of lithium zirconate
Patent number
4,933,155
Issue date
Jun 12, 1990
Tosoh Corporation
Hiroya Nagata
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Actuator
Patent number
4,862,029
Issue date
Aug 29, 1989
Tosoh Corporation
Kiyoshi Kasai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
OPAQUE SILICA GLASS ARTICLE HAVING TRANSPARENT PORTION AND PROCESS...
Publication number
20020078709
Publication date
Jun 27, 2002
TOSOH CORPORATION
Hiroya Nagata
C03 - GLASS MINERAL OR SLAG WOOL