HT

Hiroyuki Tokumasu

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #58,272 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337097 Method for making a selective absorption film for solar energy Hideo Uchino, Shiro Hozumi 1982-06-29