Takeshi Ozawa

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tl-based superconductive material, a superconductive body, and a me...
- Patent number 5,648,322
- Issue date Jul 15, 1997
- Hitachi, Ltd.
- Toshiya Doi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Superconductive material, a superconductive body, and a method of f...
- Patent number 5,462,922
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Toshiya Doi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES