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Nobuyoshi Matsumura
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Yao, JP
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last 30 patents
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Patent Grant
Control for automatic buttonhole apparatus in zigzag sewing machine
Patent number
4,416,206
Issue date
Nov 22, 1983
Maruzen Sewing Machine Co., Ltd.
Nobuyoshi Matsumura
D05 - SEWING EMBROIDERING TUFTING
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Patent Grant
Speed control apparatus for electric motor
Patent number
4,232,258
Issue date
Nov 4, 1980
Maruzen Sewing Machine Co., Ltd.
Nobuyoshi Matsumura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control apparatus for electrically driven sewing machine
Patent number
4,139,808
Issue date
Feb 13, 1979
Maruzen Sewing Machine Co., Ltd.
Nobuyoshi Matsumura
D05 - SEWING EMBROIDERING TUFTING