Nobuyuki Yokoyama

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Artificial tooth root
- Patent number 4,713,006
- Issue date Dec 15, 1987
- Olympus Optical Co., Ltd.
- Yasuharu Hakamatsuka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE