Katsuya Tokutomi

Follow

Person

Yokosuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Heat-resistant and corrosion-resistant composition
- Patent number 5,051,207
- Issue date Sep 24, 1991
- Nippon Oil Co., Ltd.
- Toshikatsu Ishikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing preformed wire from silicon carbide fiber-rei...
- Patent number 4,877,643
- Issue date Oct 31, 1989
- Director-General Agency of Industrial Science and Technology
- Toshikatsu Ishikawa
- B22 - CASTING POWDER METALLURGY