KY

Kei Yoshida

IC Idemitsu Kosan Co.: 1 patents #45 of 106Top 45%
📍 Sodegaura, PA: #1 of 1 inventorsTop 100%
Overall (2025): #316,373 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12312317 Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device Masatoshi Saito, Masato Nakamura, Sayaka Mizutani, Masato MITANI, Yoshinori AOYAMA +1 more 2025-05-27