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Ichiro Washizawa
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Maebashi, JP
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last 30 patents
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Patent Grant
Polysaccharide PS-A obtained from barrenwort deriving from plants b...
Patent number
4,528,188
Issue date
Jul 9, 1985
Zenyaku Kogyo Kabushiki Kaisha
Susumu Mitsuhashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Extract from barrenwort
Patent number
4,501,736
Issue date
Feb 26, 1985
Zenyaku Kogyo Kabushiki Kaisha
Susumu Mitsuhashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE