Tokyo
Japan
5
2018-06-21
The entities that hold a legal rights for patent applications filed by inventor Ookuma Hiroshi:
Hiroshi Ookuma from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE
#2 | 2017-01-19Spiro compound having azafluorene ring structure, light-emitting material, and organic electroluminescent device
#3 | 2015-02-05NOVEL TRIPHENYLENE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICES USING SAID DERIVATIVES
#4 | 2014-05-08Compound having an indolocarbazole ring structure and organic electroluminescent device
#5 | 2014-01-23Organic electroluminescent device
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