Inventor · disambiguated record
Takuo Nagahama
Also filed as: NAGAHAMA TAKUO
2 granted patents·2 pending applications·2 citations·filing 2014–2019
34Inventor score
Top patents by PatentIndex Score
4 records- 0172US10032993B2Aromatic heterocyclic compound, manufacturing method thereof, organic semiconductor material, and organic semiconductor deviceNIPPON STEEL & SUMIKIN CHEM CO·Filed 2014·Granted Jul 24, 2018·2 cites·4 claims
- 0246US9512131B2Organic semiconductor material for organic transistor, and organic transistor elementNIPPON STEEL & SUMIKIN CHEM CO·Filed 2014·Granted Dec 6, 2016·0 cites·3 claims
- 0335US2021111348A1Polymer for organic electroluminescent element and organic electroluminescent elementNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2019·Application pending·0 cites
- 0435US2021020851A1Material for organic electroluminescence element, and organic electroluminescence elementNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →