HT

Hiroshige Tomita

SC Sumitomo Chemical: 1 patents #72 of 256Top 30%
📍 Toyonaka, JP: #23 of 95 inventorsTop 25%
Overall (1982): #58,266 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4352941 Process for purification of phenylhydrazine Shinichi Hasegawa, Yuji Ueda 1982-10-05