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Akihiro Atsumi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing a reinforcing fiber sheet
Patent number
5,932,050
Issue date
Aug 3, 1999
Tonen Corporation
Tokuzou Ikeda
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method of producing a reinforcing fiber sheet
Patent number
5,685,934
Issue date
Nov 11, 1997
Tonen Corporation
Tokuzou Ikeda
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Process for manufacturing prepregs for use as electric insulating m...
Patent number
5,633,042
Issue date
May 27, 1997
Matsushita Electric Works, Ltd.
Yoshihiko Nakamura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Unidirectional thin glass prepreg
Patent number
5,188,878
Issue date
Feb 23, 1993
Tonen Corporation
Makoto Takezawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Elongated lightweight fiber reinforced composite resin pultrusion-f...
Patent number
5,139,843
Issue date
Aug 18, 1992
Tonen Kabushiki Kaisha
Shinkichi Murakami
B64 - AIRCRAFT AVIATION COSMONAUTICS