AY

Akio Yamashita

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #77,458 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340624 Electrochromic display device Shirow Asakawa 1982-07-20