HQ

Heng-dao Quan

📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,171,895 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8513458 Process for production of carbonyl fluoride Masanori Tamura, Akira Sekiya 2013-08-20