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Atsushi Tomonaga
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Tachikawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Process for preparing an artificial dental root
Patent number
4,451,235
Issue date
May 29, 1984
Kureha Kagaku Kogyo Kabushiki Kaisha
Kensuke Okuda
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Composite implant materials and process for preparing same
Patent number
4,222,128
Issue date
Sep 16, 1980
Kureha Kagaku Kogyo Kabushiki Kaisha
Atsushi Tomonaga
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE