Keiichirou Watanabe

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Toyonaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing endosseous implants
- Patent number 4,818,559
- Issue date Apr 4, 1989
- Sumitomo Chemical Company, Limited
- Masaaki Hama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for the production of endosseous implants
- Patent number 4,687,675
- Issue date Aug 18, 1987
- Sumitomo Chemical Company
- Kazuhiko Nakano
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE