Takehiko Hayashi

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Toyama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tungsten carbide powder and production method therefor
- Patent number 11,396,451
- Issue date Jul 26, 2022
- Sumitomo Electric Industries, Ltd.
- Masato Michiuchi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Tungsten carbide powder
- Patent number 11,339,096
- Issue date May 24, 2022
- Sumitomo Electric Industries, Ltd.
- Masato Michiuchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Tungsten carbide powder
- Patent number 11,312,632
- Issue date Apr 26, 2022
- A.L.M.T. Corp.
- Takehiko Hayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Powder containing tungsten carbide
- Patent number 11,293,082
- Issue date Apr 5, 2022
- A.L.M.T. Corp.
- Takayuki Fudo
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Complex carbonitride powder and method for producing same
- Patent number 10,858,252
- Issue date Dec 8, 2020
- Sumitomo Electric Industries, Ltd.
- Masato Michiuchi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
TUNGSTEN CARBIDE POWDER
- Publication number 20220144708
- Publication date May 12, 2022
- Sumitomo Electric Industries, Ltd.
- Masato MICHIUCHI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
TUNGSTEN CARBIDE POWDER AND PRODUCTION METHOD THEREFOR
- Publication number 20220089447
- Publication date Mar 24, 2022
- Sumitomo Electric Industries, Ltd.
- Masato MICHIUCHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
POWDER CONTAINING TUNGSTEN CARBIDE
- Publication number 20200392606
- Publication date Dec 17, 2020
- A.L.M.T. CORP.
- Takayuki FUDO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Tungsten Carbide Powder
- Publication number 20200346935
- Publication date Nov 5, 2020
- A.L.M.T. CORP.
- Takehiko HAYASHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COMPLEX CARBONITRIDE POWDER AND METHOD FOR PRODUCING SAME
- Publication number 20190092638
- Publication date Mar 28, 2019
- Sumitomo Electric Industries, Ltd.
- Masato Michiuchi
- C01 - INORGANIC CHEMISTRY