TS

Tadao Sakamoto

OB Obara: 1 patents #19 of 35Top 55%
Overall (All Time): #2,766,857 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11203081 Removal device of welding electrode tip Takehiro Izumi 2021-12-21