YS

Yoichi Sumi

MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,335,075 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4723753 Flow rate control valve system Koichi Torimoto 1988-02-09
4723754 Flow rate control valve system Koichi Torimoto, Hiroyuki Shirakawa 1988-02-09