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Nobuo Inagaki
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Katsuta, JP
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last 30 patents
Information
Patent Grant
Method of fabricating optical fiber preforms
Patent number
4,915,717
Issue date
Apr 10, 1990
Tokyo Nippon Telegraph Public Corporation
Minoru Watanabe
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fibers coated with modified 1,4-polybutadienes
Patent number
4,639,080
Issue date
Jan 27, 1987
Nippon Telegraph and Telephone Public Corporation
Takao Kimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the production of glass preform for optical fibers
Patent number
4,586,943
Issue date
May 6, 1986
Sumitomo Electric Industries, Ltd.
Michihisa Kyoto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of fabricating optical glass base material and apparatus for...
Patent number
4,552,576
Issue date
Nov 12, 1985
The Furukawa Electric Co., Ltd.
Ryoichi Hara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for producing optical glass product
Patent number
4,528,010
Issue date
Jul 9, 1985
Nippon Telegraph and Telephone Public Corporation
Takao Edahiro
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Fabrication methods of doped silica glass and optical fiber preform...
Patent number
4,414,012
Issue date
Nov 8, 1983
Nippon Telegraph & Telephone Public Corporation
Shoichi Suto
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Coated optical glass fibers and method for production thereof
Patent number
4,396,645
Issue date
Aug 2, 1983
Nippon Telegraph & Telephone Public Corporation
Takao Kimura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing magnetic thin film
Patent number
4,232,071
Issue date
Nov 4, 1980
Nippon Telegraph & Telephone Public Corporation
Akira Terada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...