Hiroo Ohtani

Person

Kobe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for making high strength deep well casing and tubing having...
- Patent number 4,421,571
- Issue date Dec 20, 1983
- Sumitomo Metal Industries, Ltd.
- Takeo Kudo
- C21 - METALLURGY OF IRON
Information Patent Grant
Alloy for making high strength deep well casing and tubing having i...
- Patent number 4,400,349
- Issue date Aug 23, 1983
- Sumitomo Metal Industries, Ltd.
- Takeo Kudo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy for making high strength deep well casing and tubing having i...
- Patent number 4,400,209
- Issue date Aug 23, 1983
- Sumitomo Metal Industries, Ltd.
- Takeo Kudo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy for making high strength deep well casing and tubing having i...
- Patent number 4,400,210
- Issue date Aug 23, 1983
- Sumitomo Metal Industries, Ltd.
- Takeo Kudo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Alloy for making high strength deep well casing and tubing having i...
- Patent number 4,400,211
- Issue date Aug 23, 1983
- Sumitomo Metal Industries, Ltd.
- Takeo Kudo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of making steels which are useful in fabricating pressure ve...
- Patent number 4,394,187
- Issue date Jul 19, 1983
- Sumitomo Metal Industries, Ltd.
- Hiroo Ohtani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steels which are useful in fabricating pressure vessels
- Patent number 4,375,377
- Issue date Mar 1, 1983
- Sumitomo Metal Industries, Limited
- Hiroo Ohtani
- C21 - METALLURGY OF IRON
Information Patent Grant
Heavy thick high-strength casting having improved weldability and i...
- Patent number 4,344,801
- Issue date Aug 17, 1982
- Sumitomo Metal Industries, Ltd.
- Tatsuro Kunitake
- C21 - METALLURGY OF IRON

Hiroo Ohtani

Person

Patents Grantslast 30 patents

Process for making high strength deep well casing and tubing having...

Alloy for making high strength deep well casing and tubing having i...

Alloy for making high strength deep well casing and tubing having i...

Alloy for making high strength deep well casing and tubing having i...

Alloy for making high strength deep well casing and tubing having i...

Method of making steels which are useful in fabricating pressure ve...

Steels which are useful in fabricating pressure vessels

Heavy thick high-strength casting having improved weldability and i...