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Koichi Yamada
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Aichi, JP
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last 30 patents
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Patent Grant
Sytem for exchanging roving bobbins applied to a ring spinning frame
Patent number
5,323,597
Issue date
Jun 28, 1994
Howa Machinery, Ltd.
Koichi Yamada
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Creel mechanism for a ring spinning frame provided with displaceabl...
Patent number
5,239,814
Issue date
Aug 31, 1993
Howa Machinery, Ltd.
Koichi Yamada
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Method of controlling the driving of a ring spinning frame
Patent number
4,977,737
Issue date
Dec 18, 1990
Howa Machinery, Ltd.
Koichi Yamada
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING