Jyun-Ichiro Yoshida

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nonohmic ZnO ceramics including Bi.sub.2 O.sub.3, CoO, MnO, Sb.sub....
- Patent number 4,147,670
- Issue date Apr 3, 1979
- Nippon Electric Co., Ltd.
- Nobuaki Shohata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES