Tohei Ototani

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Iron based alloy having low contents of aluminum silicon, magnesium...
- Patent number 5,268,141
- Issue date Dec 7, 1993
- Mitsui Engineering and Ship Building Co., Ltd.
- Tohei Ototani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Clean steel composition
- Patent number 5,225,156
- Issue date Jul 6, 1993
- Metal Research Corporation
- Tohei Ototani
- C21 - METALLURGY OF IRON
Information Patent Grant
Clean steel
- Patent number 5,055,018
- Issue date Oct 8, 1991
- Metal Research Corporation
- Tohei Ototani
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing an iron-, cobalt- and nickel-base alloy having...
- Patent number 4,999,053
- Issue date Mar 12, 1991
- Mitsui Engineering and Ship Building Co., Ltd.
- Tohei Ototani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing clean steel
- Patent number 4,944,798
- Issue date Jul 31, 1990
- Metal Research Corporation
- Tohei Ototani
- C21 - METALLURGY OF IRON
Information Patent Grant
Flexible refining-agent clad wire for refining molten iron group metal
- Patent number 4,832,742
- Issue date May 23, 1989
- Metal Research Corporation
- Tohei Ototani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of producing an iron-, cobalt- and nickel-base alloy having...
- Patent number 4,820,485
- Issue date Apr 11, 1989
- Mitsui Engineering and Ship Building Co., Ltd.
- Tohei Ototani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing an iron; cobalt and nickel base alloy having lo...
- Patent number 4,729,787
- Issue date Mar 8, 1988
- Mitsui Engineering and Ship Building Co., Ltd.
- Tohei Ototani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for melting Ti or a high-Ti alloy in CaO refractories
- Patent number 4,710,481
- Issue date Dec 1, 1987
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Toru Degawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing iron-, nickle-, or cobalt-base alloy with low c...
- Patent number 4,484,946
- Issue date Nov 27, 1984
- Metal Research Corporation
- Tohei Ototani
- C21 - METALLURGY OF IRON

Tohei Ototani

Person

Patents Grantslast 30 patents

Iron based alloy having low contents of aluminum silicon, magnesium...

Clean steel composition

Clean steel

Method of producing an iron-, cobalt- and nickel-base alloy having...

Method of manufacturing clean steel

Flexible refining-agent clad wire for refining molten iron group metal

Method of producing an iron-, cobalt- and nickel-base alloy having...

Method of producing an iron; cobalt and nickel base alloy having lo...

Method for melting Ti or a high-Ti alloy in CaO refractories

Method of producing iron-, nickle-, or cobalt-base alloy with low c...