Patents/Inventors

Ryohei Yamaoka

KanagawaJP4 patents

5 Patents

US123827822025
Estimation of Cavity Length of Light-emitting Device
Semiconductor Energy Laboratory Co., Ltd.
0 cites
US123764482025
Light-emitting Device, Light-emitting Apparatus, Light-emitting Module, Electronic Device, and Lighting Device
Semiconductor Energy Laboratory Co., Ltd.
0 cites
US119858922024
Light-emitting Device, Light-emitting Apparatus, Electronic Device, and Lighting Device
Semiconductor Energy Laboratory Co., Ltd.
0 cites
US119178402024
Light-emitting Device with Reflective Electrode and Light-emitting Layer
Semiconductor Energy Laboratory Co., Ltd.
0 cites
US115879042023
Display Device and Electronic Device
Semiconductor Energy Laboratory Co., Ltd.
0 cites