Yoichi Ushiyama

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Antimicrobial polymer, contact lens and contact lens-care articles
- Patent number 5,520,910
- Issue date May 28, 1996
- Nippon Chemical Industrial
- Kazukichi Hashimoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE