TO

Toshinari Ogiwara

IC Idemitsu Kosan Co.: 5 patents #5 of 106Top 5%
📍 Chiyoda, JP: #1 of 97 inventorsTop 2%
Overall (2025): #19,598 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12421450 Compounds, materials for organic electroluminescent devices, organic electroluminescent devices, and electronic devices Keiichi YASUKAWA, Hiromi Nakano, Hisato MATSUMOTO 2025-09-23
12364160 Organic electroluminescent element and electronic device Satomi TASAKI, Masahiro Kawamura, Keiji Okinaka, Yoshiaki Takahashi 2025-07-15
12302757 Organic electroluminescence element and electronic device Takushi SHIOMI, Hiromi Nakano 2025-05-13
12250883 Organic electroluminescence element and electronic device Takushi SHIOMI, Hiromi Nakano 2025-03-11
12200961 Organic electroluminescence element, display device, and electronic apparatus Kazuki Nishimura, Keiji Okinaka, Keiichi YASUKAWA 2025-01-14