RS

Ryosuke SASAOKA

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #32,335 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4317661 Electronic air cleaner Yasuo Ishino, Kaoru Maekawa 1982-03-02