Inventor · disambiguated record
John Spann
Also filed as: SPANN JOHN · SPANN JOHN K
5 granted patents·10 citations·filing 1986–2016
71Inventor score
Top patents by PatentIndex Score
5 records- 0187US9117966B2Inverted metamorphic multijunction solar cell with two metamorphic layers and homojunction top cellCORNFELD ARTHUR·Filed 2012·Granted Aug 25, 2015·4 cites·21 claims
- 0273US9356176B2Inverted metamorphic multijunction solar cell with metamorphic layersSOLAERO TECHNOLOGIES CORP·Filed 2015·Granted May 31, 2016·1 cites·21 claims
- 0358US10374112B2Inverted metamorphic multijunction solar cell including a metamorphic layerSOLAERO TECH CORP·Filed 2016·Granted Aug 6, 2019·0 cites·20 claims
- 0438US10381505B2Inverted metamorphic multijunction solar cells including metamorphic layersSOLAERO TECH CORP·Filed 2016·Granted Aug 13, 2019·0 cites·10 claims
- 0520US4779869ARacket frame with protective stripSPANN JOHN K·Filed 1986·Granted Oct 25, 1988·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →