Kazuhiro Iwata

Follow

Person

Ube, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing low water-absorption artificial lightweight a...
- Patent number 4,772,330
- Issue date Sep 20, 1988
- UBE Industries, Ltd.
- Waichi Kobayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing an artificial light-weight aggregate
- Patent number 4,701,222
- Issue date Oct 20, 1987
- UBE Industries, Ltd.
- Waichi Kobayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES