Inventor · disambiguated record
Masatoshi Hayashi
Also filed as: HAYASHI MASATOSHI
6 granted patents·38 citations·filing 1986–1990
81Inventor score
Top patents by PatentIndex Score
6 records- 0176US4824856AMethod of protecting gastrointestinal tractNIPPON CHEMIPHAR CO·Filed 1986·Granted Apr 25, 1989·12 cites·7 claims
- 0266US4980474AApovincaminic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1989·Granted Dec 25, 1990·12 cites·3 claims
- 0361US4965387ATriorganosilylmethyl esters of α-trifluoromethylacrylic acidSHINETSU CHEMICAL CO·Filed 1990·Granted Oct 23, 1990·8 cites·2 claims
- 0449US5106976AFused pyrazine sulfoxide derivatives for use as antiulcer agentsNIPPON CHEMIPHAR CO·Filed 1990·Granted Apr 21, 1992·3 cites·8 claims
- 0545US4883876AAcylated vincaminic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1988·Granted Nov 28, 1989·2 cites·2 claims
- 0641US4933458ACertain gastric acid secretion inhibiting sulfoxidesNIPPON CHEMIPHAR CO·Filed 1988·Granted Jun 12, 1990·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →