KY

Keitaro YAMADA

IC Idemitsu Kosan Co.: 1 patents #45 of 106Top 45%
Overall (2025): #316,480 of 469,880Top 70%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12369490 Organic electroluminescent element, organic electroluminescent display device, and electronic device Masato Nakamura, Yusuke Takahashi, Tasuku HAKETA, Emiko Kambe, Kazuki Nishimura 2025-07-22