Inventor · disambiguated record
Ryutaro Kawai
Also filed as: KAWAI RYUTARO
4 granted patents·95 citations·filing 1975–1975
74Inventor score
Files withYAMANOUCHI PHARMA CO LTD4
Top patents by PatentIndex Score
4 records- 0196US3985758A1,4-Dihydropyridine derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Oct 12, 1976·81 cites·9 claims
- 0281US4021434ASodium β-[2,6-dimethyl-3,5-bis(ethoxycarbonyl)-4-(3-nitrophenyl)-1,4-dihydropyridine-1-yl]ethyl sulfateYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted May 3, 1977·11 cites·1 claims
- 0347US3951962ANovel N-alkenyltetracycline derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Apr 20, 1976·3 cites·7 claims
- 0427US3991111AN-alkenyltetracycline derivativesYAMANOUCHI PHARMA CO LTD·Filed 1975·Granted Nov 9, 1976·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →