Inventor · disambiguated record
Sachio Toyama
Also filed as: TOYAMA SACHIO
5 granted patents·23 citations·filing 1987–1990
76Inventor score
Files withOTSUKA PHARMA CO LTD5
Top patents by PatentIndex Score
5 records- 0163US5262411AIsocephem derivatives, and antimicrobial composition containing the derivativesOTSUKA PHARMA CO LTD·Filed 1990·Granted Nov 16, 1993·9 cites·14 claims
- 0253US4831026A2-oxa-isocephem compounds, compositions containing same and processes of usingOTSUKA PHARMA CO LTD·Filed 1987·Granted May 16, 1989·7 cites·17 claims
- 0350US4950662A2-oxa-isocephem compounds, compositions containing the same and processes for preparing the sameOTSUKA PHARMA CO LTD·Filed 1988·Granted Aug 21, 1990·3 cites·14 claims
- 0447US5037976A2-oxa-isocephem compoundsOTSUKA PHARMA CO LTD·Filed 1989·Granted Aug 6, 1991·2 cites·12 claims
- 0546US4898859A2-Oxa-isocephem compounds and compositions containing sameOTSUKA PHARMA CO LTD·Filed 1988·Granted Feb 6, 1990·2 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →