Inventor · disambiguated record
John C. Greenfield
Also filed as: GREENFIELD JOHN C
3 granted patents·59 citations·filing 1981–1992
64Inventor score
Files withUPJOHN CO3
Top patents by PatentIndex Score
3 records- 0189US5441971AThiazolidinedione derivatives, production and use thereofUPJOHN CO·Filed 1992·Granted Aug 15, 1995·58 cites·21 claims
- 0231US4454228ABiologically pure culture of Streptomyces microspinus NRRL 12524 capable of producing antibiotic U-64,815UPJOHN CO·Filed 1982·Granted Jun 12, 1984·1 cites·1 claims
- 0326US4427776AComposition of matter and processUPJOHN CO·Filed 1981·Granted Jan 24, 1984·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →