Masahumi Yamaguchi

Follow

Person

Chita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for firing ceramic shaped bodies and firing tools used ther...
- Patent number 4,979,895
- Issue date Dec 25, 1990
- NGK Insulators, Ltd.
- Keiji Yasuda
- B28 - WORKING CEMENT, CLAY, OR STONE