Tatsuhiko Fujinuma

Person

Nihonbashi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of making high oxygen chromium target
- Patent number 5,561,833
- Issue date Oct 1, 1996
- Japan Metals & Chemicals Co., Ltd.
- Hidenori Tomioka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Apparatus for producing high-purity metallic chromium
- Patent number 5,476,248
- Issue date Dec 19, 1995
- Japan Metals & Chemicals Co., Ltd.
- Kenichi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Raw material for high oxygen chromium target
- Patent number 5,397,373
- Issue date Mar 14, 1995
- Japan Metals & Chemicals Co., Ltd.
- Hidenori Tomioka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing high-purity metallic chromium
- Patent number 5,391,215
- Issue date Feb 21, 1995
- Japan Metals & Chemicals Co., Ltd.
- Kenichi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing high-purity metallic chromium
- Patent number 5,259,866
- Issue date Nov 9, 1993
- Japan Metals & Chemicals Co., Ltd.
- Kenichi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Thermite process for producing a metal or alloy
- Patent number 5,152,830
- Issue date Oct 6, 1992
- Japan Metals & Chemical Co., Ltd.
- Kenichi Kobayashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing high-purity metallic chromium
- Patent number 5,092,921
- Issue date Mar 3, 1992
- Japan Metals & Chemicals Co., Ltd.
- Kenichi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Tatsuhiko Fujinuma

Person

Patents Grantslast 30 patents

Method of making high oxygen chromium target

Apparatus for producing high-purity metallic chromium

Raw material for high oxygen chromium target

Method for producing high-purity metallic chromium

Method for producing high-purity metallic chromium

Thermite process for producing a metal or alloy

Method for producing high-purity metallic chromium