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Hiroshi Ohtsubo
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Suwa, JP
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last 30 patents
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Patent Grant
Dental care material and manufacturing method
Patent number
5,773,099
Issue date
Jun 30, 1998
Injex Corporation
Naoki Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Dental care material and manufacturing method
Patent number
5,613,849
Issue date
Mar 25, 1997
Injex Corporation
Naoki Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE