Takumi OHATA

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Kitakyusyu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite cemented carbide roll, and production method of composite...
- Patent number 11,590,545
- Issue date Feb 28, 2023
- Hitachi Metals, Ltd.
- Takumi Ohata
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cemented carbide and its production method, and rolling roll
- Patent number 10,920,304
- Issue date Feb 16, 2021
- Hitachi Metals, Ltd.
- Takumi Ohata
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE CEMENTED CARBIDE ROLL, AND PRODUCTION METHOD OF COMPOSITE...
- Publication number 20210370371
- Publication date Dec 2, 2021
- Hitachi Metals, Ltd.
- Takumi OHATA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
CEMENTED CARBIDE AND ITS PRODUCTION METHOD, AND ROLLING ROLL
- Publication number 20190194783
- Publication date Jun 27, 2019
- Hitachi Metals, Ltd.
- Takumi OHATA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...