HO

Hirofumi Ohtsuka

OC Osaka Gas Co.: 1 patents #6 of 20Top 30%
Overall (2025): #368,596 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12194442 Gas desulfurizing agent and desulfurizing method Shimpei Norioka, Takenori Hirano 2025-01-14