Inventor · disambiguated record
Ryotatsu Ootsuka
Also filed as: OOTSUKA RYOTATSU
3 granted patents·69 citations·filing 1980–1989
74Inventor score
Top patents by PatentIndex Score
3 records- 0191US4373950AProcess of preparing aluminum of high puritySHOWA ALUMINIUM CO LTD·Filed 1980·Granted Feb 15, 1983·31 cites·5 claims
- 0278US4670050AMethod of treating molten aluminum by removing hydrogen gas and nonmetallic inclusions therefromSHOWA ALUMINUM CORP·Filed 1985·Granted Jun 2, 1987·21 cites·5 claims
- 0372US4989841AMetal continuously melting and retaining furnaceHONDA FOUNDRY CO LTD·Filed 1989·Granted Feb 5, 1991·17 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →