Inventor · disambiguated record
Hein Herman Vriesema
Also filed as: VRIESEMA HEIN · VRIESEMA HEIN HERMAN
4 granted patents·1 pending application·74 citations·filing 2001–2021
78Inventor score
Top patents by PatentIndex Score
5 records- 0189US6987082B2Controlled release products and processes for the preparation thereofOMS INVESTMENTS INC·Filed 2003·Granted Jan 17, 2006·34 cites·14 claims
- 0284US6787234B2Triggered start products and processes for the production and use thereofOMS INVESTMENTS INC·Filed 2002·Granted Sep 7, 2004·22 cites·31 claims
- 0380US6656882B2Controlled release products and processes for the preparation thereofOMS INVESTMENTS INC·Filed 2001·Granted Dec 2, 2003·15 cites·1 claims
- 0471US8419820B2Fast dissolving water-soluble fertilizer formulations and methods and uses thereofVRIESEMA HEIN HERMAN·Filed 2009·Granted Apr 16, 2013·3 cites·29 claims
- 0554US2023212090A1Improvements in foliar fertilizersEVERRIS INT B V·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →