HK

Hiromu Kumagai

IC Idemitsu Kosan Co.: 1 patents #45 of 106Top 45%
Overall (2025): #369,256 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12319785 Method for producing aromatic polyether, and potassium carbonate used in same Koichi Suga, Minoru Senga, Yuko Murakami 2025-06-03