Kenji Aihara

Person

Amagasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carburizing steel and steel products manufactured making use of the...
- Patent number 6,126,897
- Issue date Oct 3, 2000
- Sumitomo Metal Industries, Ltd.
- Kenji Aihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Carburizing steel and steel products manufactured making use of the...
- Patent number 5,853,502
- Issue date Dec 29, 1998
- Sumitomo Metal Industries, Ltd.
- Kenji Aihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metallic material having ultra-fine grain structure and method for...
- Patent number 5,080,727
- Issue date Jan 14, 1992
- Sumitomo Metal Industries, Ltd.
- Kenji Aihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for direct softening heat treatment of rolled wire rods
- Patent number 4,881,987
- Issue date Nov 21, 1989
- Sumitomo Metal Industries, Ltd.
- Susumu Kanbara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process and apparatus for direct softening heat treatment of rolled...
- Patent number 4,834,345
- Issue date May 30, 1989
- Sumitomo Metal Industries, Ltd.
- Susumu Kanbara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for manufacturing high tensile steel wire
- Patent number 4,604,146
- Issue date Aug 5, 1986
- Sumitomo Metal Industries, Ltd.
- Akira Aida
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for production of steel bar or steel wire having an improve...
- Patent number 4,604,145
- Issue date Aug 5, 1986
- Sumitomo Metal Industries, Ltd.
- Susumu Kanabara
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for dry type continuous wire drawing
- Patent number 4,545,227
- Issue date Oct 8, 1985
- Sumitomo Metal Industries, Ltd.
- Chuzoh Sudoh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel wire for use in stranded steel core of an aluminum conductor,...
- Patent number 4,525,598
- Issue date Jun 25, 1985
- Sumitomo Metal Industries, Ltd.
- Takashi Tsukamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Nonmagnetic alloy steel having improved machinability
- Patent number 4,240,827
- Issue date Dec 23, 1980
- Sumitomo Metal Industries Ltd.
- Kenji Aihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Kenji Aihara

Person

Patents Grantslast 30 patents

Carburizing steel and steel products manufactured making use of the...

Carburizing steel and steel products manufactured making use of the...

Metallic material having ultra-fine grain structure and method for...

Process for direct softening heat treatment of rolled wire rods

Process and apparatus for direct softening heat treatment of rolled...

Process for manufacturing high tensile steel wire

Process for production of steel bar or steel wire having an improve...

Apparatus for dry type continuous wire drawing

Steel wire for use in stranded steel core of an aluminum conductor,...

Nonmagnetic alloy steel having improved machinability