HY

Hisato Yuto

HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
Overall (All Time): #2,755,358 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11148218 Method for welding steel pipe in steel pipe structure and joint Junya Yamada, Mitsuyoshi Nakatani, Kazuhiko Tani, Tatsuya Nariyama 2021-10-19