Inventor · disambiguated record
Johannes Geert Jan Feitsma
Also filed as: FEITSMA JOHANNES GEERT JAN
13 granted patents·3 pending applications·81 citations·filing 2015–2023
89Inventor score
Top patents by PatentIndex Score
16 records- 0196US9402363B1Peronospora resistance in spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2015·Granted Aug 2, 2016·53 cites·9 claims
- 0294US10633670B2Method for modifying the resistance profile of spinacia oleracea to downy mildewRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2017·Granted Apr 28, 2020·8 cites·25 claims
- 0392US10226016B2Non R-gene mediated resistanceRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2016·Granted Mar 12, 2019·8 cites·6 claims
- 0491US9974276B2Peronospora resistance in Spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2016·Granted May 22, 2018·7 cites·13 claims
- 0586US10638688B2Peronospora resistance in spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2017·Granted May 5, 2020·2 cites·53 claims
- 0684US11332755B2Method for modifying the resistance profile of Spinacia oleracea to downy mildewRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2020·Granted May 17, 2022·1 cites·47 claims
- 0781US11254949B2Method for modifying the resistance profile of Spinacia oleracea to downy mildewRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2019·Granted Feb 22, 2022·1 cites·7 claims
- 0881US2024090398A1Non r-gene mediated resistanceRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2023·Application pending·0 cites
- 0980US11751523B2Non R-gene mediated resistanceRUK ZWAAN ZAADTEELT EN ZAADHANDEL B V·Filed 2018·Granted Sep 12, 2023·1 cites·19 claims
- 1067US2020236887A1Peronospora resistance in spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2020·Application pending·0 cites
- 1165US2022195453A1Method for modifying the resistance profile of spinacia oleracea to downy mildewRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2021·Application pending·0 cites
- 1240US12065655B2CMV resistance alleleRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2021·Granted Aug 20, 2024·0 cites·17 claims
- 1339US11202421B2Peronospora resistance in spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2019·Granted Dec 21, 2021·0 cites·4 claims
- 1439US11136592B2CMV resistance alleleRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2019·Granted Oct 5, 2021·0 cites·12 claims
- 1538US11203766B2Peronospora resistance in spinacia oleraceaRUK ZWAAN ZAADTEELT EN ZAADHANDEL B V·Filed 2019·Granted Dec 21, 2021·0 cites·3 claims
- 1634US10674688B2Peronospora resistance in spinacia oleraceaRIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV·Filed 2017·Granted Jun 9, 2020·0 cites·54 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →