HO

Hiroaki OZASA

IH Ihi: 1 patents #624 of 1,178Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,958,643 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9726773 Subaqueous underground survey system and subaqueous underground survey method Hitoshi Mikada, Fumio Sato, Shigeki Nagaya, Akio Yamanishi 2017-08-08