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Nobuhiko Ohtsuka

OC Ohtsuka Co.: 1 patents #2 of 4Top 50%
Overall (All Time): #3,834,906 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5251419 Stone-paved floor construction, and method of paving floor with stone — 1993-10-12