Akira Narukawa

Person

Yokkaichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Anti-corrosion ceramic member
- Patent number 6,416,889
- Issue date Jul 9, 2002
- NGK Insulators, Ltd.
- Yasufumi Aihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Production of corrosion-resistant ceramic members
- Patent number 6,200,516
- Issue date Mar 13, 2001
- NGK Insulators, Ltd.
- Yasufumi Aihara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Automatic analysis system
- Patent number 5,757,659
- Issue date May 26, 1998
- NGK Insulators, Ltd.
- Toyofumi Arai
- G01 - MEASURING TESTING
Information Patent Grant
Removal method of glass adhered to sintered object
- Patent number 5,425,847
- Issue date Jun 20, 1995
- NGK Insulators, Ltd.
- Akira Narukawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Removal method of glass adhered to sintered object during hot isost...
- Patent number 5,259,921
- Issue date Nov 9, 1993
- NGK Insulators, Ltd.
- Akira Narukawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fluorescent X-ray analyzing system
- Patent number 5,257,302
- Issue date Oct 26, 1993
- NGK Insulators, Ltd.
- Akira Narukawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Material supply apparatus for transferring powdery, granular and co...
- Patent number 5,137,410
- Issue date Aug 11, 1992
- NGK Insulators, Ltd.
- Akira Narukawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Powdery, granular and conglomerate material treating apparatus
- Patent number 4,993,646
- Issue date Feb 19, 1991
- NGK Insulators, Ltd.
- Akira Narukawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of pretreating a sample for X-ray fluorescence analysis
- Patent number 4,919,342
- Issue date Apr 24, 1990
- NGK Insulators, Ltd.
- Akira Narukawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for weighing powder materials
- Patent number 4,867,258
- Issue date Sep 19, 1989
- NGK Insulators, Ltd.
- Akira Narukawa
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for automatically measuring ignition loss
- Patent number 4,846,292
- Issue date Jul 11, 1989
- NGK Insulators, Ltd.
- Akira Narukawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
ANTI-CORROSION CERAMIC MEMBER
- Publication number 20010051289
- Publication date Dec 13, 2001
- YASUFUMI AIHARA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Akira Narukawa

Person

Patents Grantslast 30 patents

Anti-corrosion ceramic member

Production of corrosion-resistant ceramic members

Automatic analysis system

Removal method of glass adhered to sintered object

Removal method of glass adhered to sintered object during hot isost...

Fluorescent X-ray analyzing system

Material supply apparatus for transferring powdery, granular and co...

Powdery, granular and conglomerate material treating apparatus

Method of pretreating a sample for X-ray fluorescence analysis

Apparatus for weighing powder materials

Apparatus for automatically measuring ignition loss

Patents Applicationslast 30 patents

ANTI-CORROSION CERAMIC MEMBER