Shizuo Yoshida

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
High strength rock wool and process for producing same
- Patent number 5,750,255
- Issue date May 12, 1998
- Nitto Boseki Co., Ltd.
- Shizuo Yoshida
- C03 - GLASS MINERAL OR SLAG WOOL