Hiroshi Ohtsubo

Person

Ichikawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Martensitic stainless steels for seamless steel pipe
- Patent number 5,939,018
- Issue date Aug 17, 1999
- Kawasaki Steel Corporation
- Hiroshi Ohtsubo
- C21 - METALLURGY OF IRON
Information Patent Grant
Iron powder and mixed powder for powder metallurgy as well as metho...
- Patent number 5,507,853
- Issue date Apr 16, 1996
- Kawasaki Steel Corporation
- Kuniaki Ogura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Iron powder and mixed powder for powder metallurgy as well as metho...
- Patent number 5,458,670
- Issue date Oct 17, 1995
- Kawasaki Steel Corporation
- Kuniaki Ogura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of debinding for injection molded objects
- Patent number 5,380,476
- Issue date Jan 10, 1995
- Kawasaki Steel Corporation
- Masakazu Matsushita
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Alloy steel powders for injection molding use, their compounds and...
- Patent number 5,338,508
- Issue date Aug 16, 1994
- Kawasaki Steel Corporation
- Minoru Nitta
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Corrosion-resistant sintered alloy steels and method for making same
- Patent number 5,108,492
- Issue date Apr 28, 1992
- Kawasaki Steel Corporation
- Yoshisato Kiyota
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered bodies and production process thereof
- Patent number 5,067,979
- Issue date Nov 26, 1991
- Kawasaki Steel Corporation
- Yoshisato Kiyota
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparing powder metallurgical sintered product
- Patent number 4,971,755
- Issue date Nov 20, 1990
- Kawasaki Steel Corporation
- Masaki Kawano
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sintered bodies and production process thereof
- Patent number 4,964,907
- Issue date Oct 23, 1990
- Kawasaki Steel Corp.
- Yoshisato Kiyota
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Duplex stainless steel seamless pipe and a method for producing the...
- Patent number 4,604,887
- Issue date Aug 12, 1986
- Kawasaki Steel Corporation
- Hiroshi Ohtsubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of manufacturing bimetallic tubes
- Patent number 4,533,806
- Issue date Aug 6, 1985
- Kawasaki Steel Corporation
- Tatsuo Kawasaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Hiroshi Ohtsubo

Person

Patents Grantslast 30 patents

Martensitic stainless steels for seamless steel pipe

Iron powder and mixed powder for powder metallurgy as well as metho...

Iron powder and mixed powder for powder metallurgy as well as metho...

Method of debinding for injection molded objects

Alloy steel powders for injection molding use, their compounds and...

Corrosion-resistant sintered alloy steels and method for making same

Sintered bodies and production process thereof

Method for preparing powder metallurgical sintered product

Sintered bodies and production process thereof

Duplex stainless steel seamless pipe and a method for producing the...

Method of manufacturing bimetallic tubes