Inventor · disambiguated record
Ryozo Ohta
Also filed as: OHTA RYOZO
4 granted patents·3 pending applications·106 citations·filing 1976–2023
80Inventor score
Top patents by PatentIndex Score
7 records- 0175US4034994ATubular end structure of pipeKUBOTA ENGINEERING CO LTD·Filed 1976·Granted Jul 12, 1977·46 cites·2 claims
- 0269US4279853AMethod of forming a socket end on a plastic pipe and a molding device for use of the methodKUBOTA LTD·Filed 1979·Granted Jul 21, 1981·22 cites·3 claims
- 0357US4474726AMethod of producing a channeled plastic pipe with closed channel endsKUBOTA LTD·Filed 1982·Granted Oct 2, 1984·25 cites·14 claims
- 0456US2024034367A1Structure For Preventing Derailment Of Railway VehicleOHTA RYOZO·Filed 2023·Application pending·0 cites
- 0548US4412802AMolding device for forming a socket end on a plastic pipeKUBOTA LTD·Filed 1981·Granted Nov 1, 1983·13 cites·6 claims
- 0635US2012186813A1Method for blocking outflow of petroleum or the like due to damage to subsea petroleum well stell pipe or the likeOHTA RYOZO·Filed 2011·Application pending·0 cites
- 0735US2012325490A1Method for blocking outflow of petroleum or the like due to damage to subsea petroleum well steel pipe or the likeOHTA RYOZO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →