Inventor · disambiguated record
Johan René Keegstra
Also filed as: KEEGSTRA JOHAN · KEEGSTRA JOHAN RENÉ
6 granted patents·1 pending application·12 citations·filing 2010–2021
74Inventor score
Top patents by PatentIndex Score
7 records- 0173US11071835B2Inhalable medicamentsPHARMACHEMIE BV·Filed 2014·Granted Jul 27, 2021·2 cites·15 claims
- 0270US8931479B2Dry-powder inhalerKEEGSTRA JOHAN RENÉ·Filed 2010·Granted Jan 13, 2015·8 cites·43 claims
- 0360US11020546B2Dry powder inhalerPHARMACHEMIE BV·Filed 2014·Granted Jun 1, 2021·0 cites·13 claims
- 0459US11642475B2Dry powder inhalerPHARMACHEMIE BV·Filed 2021·Granted May 9, 2023·0 cites·13 claims
- 0555US2021379304A1Inhalable medicamentsPHARMACHEMIE BV·Filed 2021·Application pending·0 cites
- 0652US8910628B2Dry-powder inhalerKEEGSTRA JOHAN RENÉ·Filed 2010·Granted Dec 16, 2014·1 cites·42 claims
- 0752US8905021B2Dry-powder inhalerKEEGSTRA JOHAN RENÉ·Filed 2010·Granted Dec 9, 2014·1 cites·45 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →