SY

Seiichi Yoneyama

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
Overall (All Time): #3,893,593 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4892059 Apparatus for exchanging a net of fish cage for farming fish — 1990-01-09