Takeo Hamada

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing molded copper-chromium family metal alloy a...
- Patent number 5,689,796
- Issue date Nov 18, 1997
- Citizen Watch Co., Ltd.
- Takao Kasai
- B22 - CASTING POWDER METALLURGY