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Mitsutoshi Ochi
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Hiroshima, JP
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last 30 patents
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Patent Grant
Acrylic fiber having Y-type section and process for producing the same
Patent number
4,812,361
Issue date
Mar 14, 1989
Mitsubishi Rayon Co., Ltd.
Fumio Takemoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Acrylic fibers having irregular-form section and process for produc...
Patent number
4,455,347
Issue date
Jun 19, 1984
Mitsubishi Rayon Co., Ltd.
Mitsutoshi Ochi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING