Hiroshi Yasuda

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Otsu, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyester fibers
- Patent number 4,076,783
- Issue date Feb 28, 1978
- Toyobo Co., Ltd.
- Hiroshi Yasuda
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Polyester fiber having anti-pilling property and its production
- Patent number 4,071,502
- Issue date Jan 31, 1978
- Toyo Boseki Kabushiki Kaisha
- Hiroshige Sugiyama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING