Inventor · disambiguated record
Sigma Hashimoto
Also filed as: HASHIMOTO SIGMA
2 granted patents·8 pending applications·9 citations·filing 2012–2024
50Inventor score
Top patents by PatentIndex Score
10 records- 0185US9166176B2Polycyclic aromatic compoundHATAKEYAMA TAKUJI·Filed 2012·Granted Oct 20, 2015·9 cites·7 claims
- 0270US2025084047A1Compound, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0370US2025098521A1Compound, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0470US2025089561A1Compound, organic electroluminescent element, and electronic deviceIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0559US2024276878A1Compound, organic-electroluminescence-device material, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 0658US2025057041A1Compound, organic-electroluminescence-device material, organic electroluminescence device, and electronic deviceIDEMITSU KOSAN CO·Filed 2024·Application pending·0 cites
- 0753US9741950B2Polycyclic aromatic compoundUNIV KYOTO·Filed 2015·Granted Aug 22, 2017·0 cites·7 claims
- 0851US2025374749A1Organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 0951US2024074311A1Compound, organic electroluminescent element and electronic deviceIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 1046US2023137925A1Heterocyclic compound and an organic electroluminescence device comprising the heterocyclic compoundIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →