KT

Katsuyuki Touma

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
📍 Kanmaki, JP: #75 of 125 inventorsTop 60%
Overall (All Time): #3,720,079 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5648027 Porous carbonaceous material and a method for producing the same Hiroyuki Tajiri, Yoshiteru Nakagawa, Yoshiaki Iwaya, Yoshiharu Tanaka, Keiichi Asami +1 more 1997-07-15