Katsufumi KURODA

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Yasugi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold work tool and method for manufacturing same
- Patent number 10,844,456
- Issue date Nov 24, 2020
- Hitachi Metals, Ltd.
- Tatsuya Shouji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cold work tool material, cold work tool and method for manufacturin...
- Patent number 9,994,925
- Issue date Jun 12, 2018
- Hitachi Metals, Ltd.
- Tatsuya Shouji
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold work tool material and method of manufacturing cold work tool
- Patent number 9,890,435
- Issue date Feb 13, 2018
- Hitachi Metals, Ltd.
- Tatsuya Shouji
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
COLD WORK TOOL AND METHOD FOR MANUFACTURING SAME
- Publication number 20170327920
- Publication date Nov 16, 2017
- Hitachi Metals, Ltd.
- Tatsuya SHOUJI
- C21 - METALLURGY OF IRON
Information Patent Application
COLD WORK TOOL MATERIAL, COLD WORK TOOL AND METHOD FOR MANUFACTURIN...
- Publication number 20170314086
- Publication date Nov 2, 2017
- Hitachi Metals, Ltd.
- Tatsuya SHOUJI
- C21 - METALLURGY OF IRON
Information Patent Application
COLD WORK TOOL MATERIAL AND METHOD OF MANUFACTURING COLD WORK TOOL
- Publication number 20170204486
- Publication date Jul 20, 2017
- Hitachi Metals, Ltd.
- Tatsuya SHOUJI
- C21 - METALLURGY OF IRON