Kazuji Yamamoto

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Koganei, JP

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Patents Grantslast 30 patents

Information Patent Grant
Needle position indicating device for a sewing machine
- Patent number 4,598,657
- Issue date Jul 8, 1986
- Janome Sewing Machine Co. Ltd.
- Hachiro Makabe
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Safety control device of commutator motors
- Patent number 4,524,309
- Issue date Jun 18, 1985
- Michio Hisatake
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sewing machine drive motor control system
- Patent number 4,456,859
- Issue date Jun 26, 1984
- Janome Sewing Machine Co. Ltd.
- Kazuo Watanabe
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Sewing machine drive motor control system
- Patent number 4,323,833
- Issue date Apr 6, 1982
- Janome Sewing Machine Co., Ltd.
- Kazuo Watanabe
- D05 - SEWING EMBROIDERING TUFTING