Tomoyoshi KIWAKE

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing ring-rolled product
- Patent number 11,135,642
- Issue date Oct 5, 2021
- Hitachi Metals, Ltd.
- Takuya Murai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing ring-rolled product
- Patent number 11,077,481
- Issue date Aug 3, 2021
- Hitachi Metals, Ltd.
- Takuya Murai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
- Publication number 20200306817
- Publication date Oct 1, 2020
- Hitachi Metals, Ltd.
- Takuya MURAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR MANUFACTURING RING-ROLLED PRODUCT
- Publication number 20200306818
- Publication date Oct 1, 2020
- Hitachi Metals, Ltd.
- Takuya MURAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD OF COOLING MAIN ROLL FOR RING ROLLING AND METHOD OF MANUFACT...
- Publication number 20200061686
- Publication date Feb 27, 2020
- Hitachi Metals, Ltd.
- Takuya MURAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...