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Yoshikazu Tanaka
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Hyogo, JP
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last 30 patents
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Patent Grant
Method for separating phosphopolyol compounds using a separating agent
Patent number
5,136,032
Issue date
Aug 4, 1992
Daicel Chemical Industries, Ltd.
Shinji Nagamatsu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Separating membrane and separation method
Patent number
5,032,281
Issue date
Jul 16, 1991
Daicel Chemical Industries, Ltd.
Shinji Nagamatsu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE