Yushirou Hirai

Follow

Person

Oita-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for coating with finning preventive agent
- Patent number 5,702,758
- Issue date Dec 30, 1997
- Nippon Mining & Metals Co., Ltd.
- Fumio Hashiuchi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for coating molds with finning preventive agent
- Patent number 5,536,318
- Issue date Jul 16, 1996
- Nippon Mining & Metals Co., Ltd.
- Fumio Hashiuchi
- B22 - CASTING POWDER METALLURGY