Sumikazu Kawai

Follow

Person

Amagasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Moulding machine equipped with longitudinal laminating core boxes
- Patent number 4,732,205
- Issue date Mar 22, 1988
- Naniwa Products Co., Ltd.
- Kazuo Kawai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Entirely automatic, cold box type machine for molding an integral c...
- Patent number 4,660,709
- Issue date Apr 28, 1987
- Naniwa Products Co., Ltd.
- Kazuo Kawai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Entirely automatic, cold box type machine for molding an integral c...
- Patent number 4,637,450
- Issue date Jan 20, 1987
- Naniwa Products Co., Ltd.
- Kazuo Kawai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Entirely automatic, cold box type machine for molding an integral c...
- Patent number 4,559,989
- Issue date Dec 24, 1985
- Naniwa Products Co.
- Kazuo Kawai
- B22 - CASTING POWDER METALLURGY