TY

Toshiomi Yabu

Sumitomo Electric Industries: 1 patents #159 of 557Top 30%
Overall (1982): #26,576 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4338640 Speed control system for a multiple speed tape recording and reproducing apparatus Tatsuo Wada, Masaru Hashirano, Kouichi Yamada 1982-07-06