YS

Yoshikazu Sekiguchi

NC Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
📍 Kazo, JP: #84 of 138 inventorsTop 65%
Overall (All Time): #4,119,733 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4222575 Shaft seal device Kenji Asano 1980-09-16