Mitsuhiro Oyama

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Sukagawa, JA

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Patents Grantslast 30 patents

Information Patent Grant
Motor control apparatus for electrically-driven sewing machine
- Patent number 4,085,692
- Issue date Apr 25, 1978
- Yamamoto Electric Industrial Co., Ltd.
- Katsuji Soeda
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Electrically driven sewing machine control apparatus
- Patent number 4,078,507
- Issue date Mar 14, 1978
- Yamamoto Electric Industrial Co. Inc.
- Katsuji Soeda
- D05 - SEWING EMBROIDERING TUFTING