Yuichi NAKAHIRA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel sheet and manufacturing method of therefor
- Patent number 11,447,848
- Issue date Sep 20, 2022
- Nippon Steel Corporation
- Takafumi Yokoyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet
- Patent number 11,326,234
- Issue date May 10, 2022
- Nippon Steel Corporation
- Takafumi Yokoyama
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL SHEET AND MANUFACTURING METHOD OF THEREFOR
- Publication number 20210123122
- Publication date Apr 29, 2021
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
- Publication number 20210095356
- Publication date Apr 1, 2021
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLD-ROLLED STEEL SHEET AND HOT-DIP GALVANIZED COLD-ROLLED STEEL SHEET
- Publication number 20200024709
- Publication date Jan 23, 2020
- NIPPON STEEL CORPORATION
- Takafumi YOKOYAMA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...