Inventor · disambiguated record
Ryoichi Hiraoka
Also filed as: HIRAOKA RYOICHI
3 granted patents·45 citations·filing 1984–2017
65Inventor score
Top patents by PatentIndex Score
3 records- 0184US4547571AProcess for preparing carboxymethyl ethyl cellulose suitable for enteric coatingKOHJIN CO·Filed 1984·Granted Oct 15, 1985·41 cites·6 claims
- 0232US11063219B2Organic photoelectric conversion element, and solar cell module and sensor provided with the sameSUMITOMO CHEMICAL CO·Filed 2017·Granted Jul 13, 2021·0 cites·6 claims
- 0331US4606771AEnteric coating liquidKOHJIN CO·Filed 1984·Granted Aug 19, 1986·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →