Akifumi Kawana

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Steel wire and wire rod
- Patent number 11,203,797
- Issue date Dec 21, 2021
- Nippon Steel Corporation
- Makoto Okonogi
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire and wire rod
- Patent number 10,704,118
- Issue date Jul 7, 2020
- Nippon Steel Corporation
- Makoto Okonogi
- C21 - METALLURGY OF IRON
Information Patent Grant
Wire material for non-heat treated component, steel wire for non-he...
- Patent number 10,287,658
- Issue date May 14, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Makoto Okonogi
- C21 - METALLURGY OF IRON
Information Patent Grant
High-carbon steel wire rod and wire excellent in drawability and me...
- Patent number 5,665,182
- Issue date Sep 9, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON
Information Patent Grant
Bainite wire rod and wire for drawing and methods of producing the...
- Patent number 5,662,747
- Issue date Sep 2, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON
Information Patent Grant
Bainite wire rod and wire for drawing and methods of producing the...
- Patent number 5,658,399
- Issue date Aug 19, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON
Information Patent Grant
High-carbon steel wire rod and wire excellent in drawability and me...
- Patent number 5,658,402
- Issue date Aug 19, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON
Information Patent Grant
High-carbon steel wire rod and wire excellent in drawability and me...
- Patent number 5,650,027
- Issue date Jul 22, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON
Information Patent Grant
Bainite wire rod and wire for drawing and methods of producing the...
- Patent number 5,647,918
- Issue date Jul 15, 1997
- Nippon Steel Corporation
- Akifumi Kawana
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL WIRE AND WIRE ROD
- Publication number 20200224288
- Publication date Jul 16, 2020
- NIPPON STEEL CORPORATION
- Makoto OKONOGI
- C21 - METALLURGY OF IRON
Information Patent Application
WIRE MATERIAL FOR NON-HEAT TREATED COMPONENT, STEEL WIRE FOR NON-HE...
- Publication number 20140290806
- Publication date Oct 2, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Makoto Okonogi
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE OF SPECIAL STEEL AND WIRE ROD OF SPECIAL STEEL
- Publication number 20130133789
- Publication date May 30, 2013
- Makoto Okonogi
- C21 - METALLURGY OF IRON

Akifumi Kawana

Person

Patents Grantslast 30 patents

Steel wire and wire rod

Steel wire and wire rod

Wire material for non-heat treated component, steel wire for non-he...

High-carbon steel wire rod and wire excellent in drawability and me...

Bainite wire rod and wire for drawing and methods of producing the...

Bainite wire rod and wire for drawing and methods of producing the...

High-carbon steel wire rod and wire excellent in drawability and me...

High-carbon steel wire rod and wire excellent in drawability and me...

Bainite wire rod and wire for drawing and methods of producing the...

Patents Applicationslast 30 patents

STEEL WIRE AND WIRE ROD

WIRE MATERIAL FOR NON-HEAT TREATED COMPONENT, STEEL WIRE FOR NON-HE...

STEEL WIRE OF SPECIAL STEEL AND WIRE ROD OF SPECIAL STEEL