Inventor · disambiguated record
Ryogo Tsukisaka
Also filed as: TAKAHASHI YUHACHI · TSUKISAKA RYOGO
2 granted patents·149 citations·filing 1979–1989
69Inventor score
Top patents by PatentIndex Score
2 records- 0192US5007964ACalcium carbonate, calcium carbonate pigment, process for preparing same, coating composition for information recording paper and information recording paperSHIRAISHI CENTRAL LAB CO LTD·Filed 1989·Granted Apr 16, 1991·108 cites·7 claims
- 0285US4242251AComposition comprising a thermoplastic resin and mineral filler particles coated with an ethylenically unsaturated organic acid, the ethylenic double bonds of which remain substantially unreacted; product resulting from causing said to reactASAHI CHEMICAL IND·Filed 1979·Granted Dec 30, 1980·41 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →