SK

Soichi Katayama

DI Disco: 1 patents #384 of 708Top 55%
Overall (All Time): #2,747,589 of 4,157,543Top 70%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11110567 Annular grindstone and manufacturing method of annular grindstone — 2021-09-07