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Yoshiyuki Hozumi
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Yokohama, JP
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last 30 patents
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Patent Grant
Oil-absorbent polymer and use therefor
Patent number
5,641,847
Issue date
Jun 24, 1997
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yoshiyuki Hozumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Oil-absorbent polymer and use therefor
Patent number
5,374,600
Issue date
Dec 20, 1994
Nippon Shokubai Kagaku Kogyo Co., Ltd.
Yoshiyuki Hozumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Flotation collector and method for treatment of inorganic substance...
Patent number
4,966,712
Issue date
Oct 30, 1990
Nippon Shokubai Kagaku Kogyo Kabushiki Kaisha
Hideyuki Nishibayashi
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...