Inventor · disambiguated record
Ryohkichi Tarao
Also filed as: HAYASHI MASAKI · TARAO RYOHKICHI
2 granted patents·96 citations·filing 1977–1977
68Inventor score
Files withCHISSO CORP2
Top patents by PatentIndex Score
2 records- 0189US4133755AAgent for removing heavy metalsCHISSO CORP·Filed 1977·Granted Jan 9, 1979·66 cites·21 claims
- 0287US4239865APolyvinyl (dialkylthiocarbamoylthio)acetate resin, method for producing same and heavy metals-removing agent comprising sameCHISSO CORP·Filed 1977·Granted Dec 16, 1980·30 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →