YE

Yoshiyuki Era

OC Okabe Co.: 1 patents #5 of 18Top 30%
Overall (All Time): #3,982,398 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4695178 Joint for reinforcing bar employed in concrete construction Yasuo Kumagai 1987-09-22