Naoya Ikawa

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thread tension adjusting apparatus for a sewing machine
- Patent number 5,299,517
- Issue date Apr 5, 1994
- Pegasus Sewing Machine Mfg. Co., Ltd.
- Naoya Ikawa
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Thread tension adjusting apparatus for a sewing machine
- Patent number 5,186,114
- Issue date Feb 16, 1993
- Pegasus Sewing Machine Mfg. Co., Ltd.
- Naoya Ikawa
- D05 - SEWING EMBROIDERING TUFTING