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Shigeaki Sekine

📍 Kamo, JP: #11 of 26 inventorsTop 45%
Overall (All Time): #1,995,294 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D803994 Joint for pipes 2017-11-28
4579140 Air relief device for liquid flow pipe 1986-04-01