YK

Yasuo Koseki

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #22,521 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363219 Method and system of heat energy conversion Akira Yamada, Yuusaku Nishimura, Sankichi Takahashi 1982-12-14