EH

Eri Hirayama

NT Ntn: 1 patents #814 of 1,364Top 60%
Overall (All Time): #4,154,690 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10508318 Method for thermally treating ring-shaped member Tsuneaki Hiraoka, Shintaro Suzuki 2019-12-17