TN

Takuzo Nakatsuka

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
📍 Kasai, JP: #3,639 of 5,842 inventorsTop 65%
Overall (All Time): #4,107,424 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4191494 Apparatus of effecting buoyancy on submerged articles Koji Nakamura, Masaru Ogata 1980-03-04