Takahiro Yamakawa

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Itami-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cutting tool
- Patent number 12,226,836
- Issue date Feb 18, 2025
- Sumitomo Electric Hardmetal Corp.
- Masahito Hikiji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting tool
- Patent number 12,202,051
- Issue date Jan 21, 2025
- Sumitomo Electric Hardmetal Corp.
- Masahito Hikiji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cemented carbide and cutting tool using same
- Patent number 12,098,448
- Issue date Sep 24, 2024
- Sumitomo Electric Hardmetal Corp.
- Takahiro Yamakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CUTTING TOOL
- Publication number 20240424575
- Publication date Dec 26, 2024
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Masahito HIKIJI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CUTTING TOOL
- Publication number 20240424576
- Publication date Dec 26, 2024
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Masahito HIKIJI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CEMENTED CARBIDE AND CUTTING TOOL
- Publication number 20240401171
- Publication date Dec 5, 2024
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Takahiro YAMAKAWA
- B24 - GRINDING POLISHING
Information Patent Application
CEMENTED CARBIDE AND CUTTING TOOL USING THE SAME
- Publication number 20240352561
- Publication date Oct 24, 2024
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Nobuo MIYASAKA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CEMENTED CARBIDE AND CUTTING TOOL USING SAME
- Publication number 20240240291
- Publication date Jul 18, 2024
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Takahiro YAMAKAWA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ROD, DRILL BIT BODY, ROD MANUFACTURING METHOD, AND DRILL MANUFACTUR...
- Publication number 20190233923
- Publication date Aug 1, 2019
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Takahiro Yamakawa
- B22 - CASTING POWDER METALLURGY