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Yoshiko Fujita
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Tokyo, JP
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last 30 patents
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Patent Grant
Purified guaiacum resin and method for making same
Patent number
5,621,072
Issue date
Apr 15, 1997
Dai Nippon Insatsu Kabushiki Kaisha
Masanao Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Purified guaiacum resin and method for making the same
Patent number
5,093,082
Issue date
Mar 3, 1992
Dai Nippon Insatsu Kabushiki Kaisha
Masanao Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...