Shigeaki Maruhashi

Person

Yamaguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Corrosion resistant alloy
- Patent number 4,652,428
- Issue date Mar 24, 1987
- Nisshin Steel Co., Ltd.
- Shigeaki Maruhashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing strip of corrosion resistant alloy steel
- Patent number 4,594,114
- Issue date Jun 10, 1986
- Nisshin Steel Co., Ltd.
- Shigeaki Maruhashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Corrosion resistant alloy
- Patent number 4,581,066
- Issue date Apr 8, 1986
- Nisshin Steel Co., Ltd.
- Shigeaki Maruhashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing low P chromium-containing steel
- Patent number 4,525,209
- Issue date Jun 25, 1985
- Pacific Metals & Co. Ltd.
- Takashi Yamauchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing steel strip using molten B.sub.2 O.sub.3, SiO.sub.2 Na.su...
- Patent number 4,473,412
- Issue date Sep 25, 1984
- Nisshin Steel Co., Ltd.
- Shigeaki Maruhashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for dephosphorization, desulfurization and denitrification...
- Patent number 4,391,633
- Issue date Jul 5, 1983
- Nisshin Steel Company, Ltd.
- Takashi Yamauchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for dephosphorization and denitrification of chromium-conta...
- Patent number 4,314,847
- Issue date Feb 9, 1982
- Nisshin Steel Company, Ltd.
- Shigeaki Maruhashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for dephosphorization and denitrification of chromium-conta...
- Patent number 4,290,803
- Issue date Sep 22, 1981
- Nisshin Steel Company, Ltd.
- Shigeaki Maruhashi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing ultra-low carbon stainless steel
- Patent number 4,160,664
- Issue date Jul 10, 1979
- Nisshin Steel Co. Ltd.
- Shigeaki Maruhashi
- C21 - METALLURGY OF IRON

Shigeaki Maruhashi

Person

Patents Grantslast 30 patents

Corrosion resistant alloy

Process for producing strip of corrosion resistant alloy steel

Corrosion resistant alloy

Process for producing low P chromium-containing steel

Annealing steel strip using molten B.sub.2 O.sub.3, SiO.sub.2 Na.su...

Process for dephosphorization, desulfurization and denitrification...

Process for dephosphorization and denitrification of chromium-conta...

Process for dephosphorization and denitrification of chromium-conta...

Process for producing ultra-low carbon stainless steel