Inventor · disambiguated record
Johannes Antonius Maria Hamersma
Also filed as: HAMERSMA JOHANNES A M · HAMERSMA JOHANNES ANTONIUS MAR · HAMERSMA JOHANNES ANTONIUS MARIA
5 granted patents·1 pending application·83 citations·filing 1992–2011
80Inventor score
Top patents by PatentIndex Score
6 records- 0172US5712264A17-spiromethylene steroidsAKZO NOBEL NV·Filed 1993·Granted Jan 27, 1998·28 cites·19 claims
- 0269US5741786ASteroids with a 17-spiromethylene lactone or lactol groupAKZO NOBEL NV·Filed 1995·Granted Apr 21, 1998·25 cites·11 claims
- 0368US5292878A17-spirofuran-3'-ylidene steroidsAKZO NV·Filed 1992·Granted Mar 8, 1994·20 cites·4 claims
- 0451US5854235A17-spiromethylene steroidsAKZO NOBEL NV·Filed 1997·Granted Dec 29, 1998·10 cites·4 claims
- 0540US7691836B2Progesterone receptor modulatorsORGANON NV·Filed 2005·Granted Apr 6, 2010·0 cites·28 claims
- 0630US2013272956A1(11beta, 17alpha)-11-(4-(2-11C-ACETYL)PHENYL)-17,23-EPOXY-19,24-DINORCHOLA-4,9,20-TRIEN-3-ONEBRANDS FRANCISCUS THEODORUS LEONARDUS·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →