Inventor · disambiguated record
Ryoichi Hiroi
Also filed as: HIROI RYOICHI
3 granted patents·11 citations·filing 2002–2007
63Inventor score
Top patents by PatentIndex Score
3 records- 0176US8258242B2Compatibilizing agent for polymer alloy, polymer alloy, and master batch for preparation of polymer alloyHIROI RYOICHI·Filed 2007·Granted Sep 4, 2012·6 cites·10 claims
- 0255US7455826B2Layered titanic acid, lamellar titanic acid, lamellar titanium oxide and method for producing lamellar titanic acidOTSUKA CHEMICAL CO LTD·Filed 2002·Granted Nov 25, 2008·4 cites·17 claims
- 0352US7223831B2Biodegradable resin compositionOTSUKA CHEMICAL CO LTD·Filed 2004·Granted May 29, 2007·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →