TS

Toshimasa Shimada

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
📍 Chofu, JP: #304 of 517 inventorsTop 60%
Overall (All Time): #3,900,528 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4917176 Device for cleaning inner surfaces of heat exchanger tubes Katsuhei Tanemura, Yasuo Fujitani, Katsumoto Otake, Shigeo Oda, Yoshio Sumiya 1990-04-17