YS

Yoshinao SHIRASAKI

IC Idemitsu Kosan Co.: 2 patents #509 of 1,237Top 45%
RI Riken: 1 patents #679 of 1,824Top 40%
Overall (All Time): #1,348,339 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12428409 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Tetsuya Masuda 2025-09-30
11765972 Compound and organic electroluminescence device using the same Tetsuya Masuda, Takushi SHIOMI, Masatoshi Saito, Kei Yoshida, Masato Nakamura 2023-09-19
10435564 Rhodamine-based colorant compound and process for producing same Atsuya Muranaka, Masanobu Uchiyama, Shinichiro Kamino 2019-10-08