理り想そう科か学がく工こう業ぎょうMeaningsNoun1. Riso Kagaku CorporationKanji used理logic想heartfelt thought科department学study工construction業businessComposed of理り想そうideal; idealsNoun科か学がくscience; to think about scientifically; to think in terms of scienceNoun工こう業ぎょう(manufacturing) industryNoun