Inventor · disambiguated record

Hitoshi Ohya

Also filed as: OHYA HITOSHI

2 granted patents·27 citations·filing 1990–1995

59Inventor score

Technology areasB02C B07B

Files withAGENCY IND SCIENCE TECHN1 DOWA MINING CO1

Top patents by PatentIndex Score

2 records

0157US5630554AMethod of separating and recovering valuable metals and non-metals from composite materialsDOWA MINING CO·Filed 1995·Granted May 20, 1997·24 cites·20 claims
0230US4982906AMulti-chamber inclined ball millAGENCY IND SCIENCE TECHN·Filed 1990·Granted Jan 8, 1991·3 cites·5 claims

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