HK

Hidegi Kuwajima

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
📍 Hitachinaka, JP: #1,699 of 2,447 inventorsTop 70%
Overall (All Time): #3,831,504 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5238911 Oxide superconductor Bi--Sr--Ca--Mg--Ba--Cu--O Keiji Sumiya, Shuichiro Shimoda, Toranosuke Ashizawa, Minoru Ishihara, Shozo Yamana 1993-08-24