Yoshihiko Kawai

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for analyzing steel and apparatus therefor
- Patent number 5,537,206
- Issue date Jul 16, 1996
- NKK Corporation
- Takanori Akiyoshi
- G01 - MEASURING TESTING
Information Patent Grant
Probe using a mixed sub-electrode for measuring the activity of car...
- Patent number 5,393,403
- Issue date Feb 28, 1995
- NKK Corporation
- Minoru Sasabe
- G01 - MEASURING TESTING
Information Patent Grant
Method for cleaning molten metal and apparatus therefor
- Patent number 5,091,000
- Issue date Feb 25, 1992
- NKK Corporation
- Toshio Ishii
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing iron-boron-silicon alloy
- Patent number 5,049,357
- Issue date Sep 17, 1991
- NKK Corporation
- Hidetoshi Matsuno
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for melting and reducing chrome ore
- Patent number 4,783,219
- Issue date Nov 8, 1988
- Nippon Kokan Kabushiki Kaisha
- Hajime Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...