Inventor · disambiguated record
Shigemitsu Nagao
Also filed as: NAGAO SHIGEMITSU
4 granted patents·15 citations·filing 1987–1989
68Inventor score
Top patents by PatentIndex Score
4 records- 0169US5070194AMethod for production of β-lactam derivativesOTSUKA KAGAKU KK·Filed 1989·Granted Dec 3, 1991·10 cites·6 claims
- 0245US4789740AHalogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl-3-butenoateOTSUKA KAGAKU YAKUHIN·Filed 1987·Granted Dec 6, 1988·2 cites·12 claims
- 0336US4958018AMethod for production of 3-exomethylenecepham derivativesOTSUKA KAGAKU KK·Filed 1989·Granted Sep 18, 1990·3 cites·17 claims
- 0429US4740596AProcess for preparation of 4-sulfonylthio azetidinone derivativesOTSUKA KAGAKU KK·Filed 1987·Granted Apr 26, 1988·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →