Assignee

OKANO MICHIHARU

JP·1 granted patent·2 citations·filing 2008–2008

Technology mixA61C1 A61F1 A61L1 B22F1 B30B1 C04B1

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1 record

0148US8182739B2Process for producing concentric-circular-gradient functional material for biogenic use and apparatus for producing the sameOKANO MICHIHARU·Filed 2008·Granted May 22, 2012·2 cites·12 claims

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