RI

Risa Iwata

YC Yoshino Kogyosho Co.: 2 patents #148 of 361Top 45%
Overall (All Time): #2,224,533 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6290145 Spray unit that atomizes liquid at the start of the spray operation Hiroshi Mizushima, Katsuhito Kuwahara, Masami Chiku 2001-09-18
6206303 Manually operated spray device for liquid Natsuo Shinozaki, Katsuhito Kuwahara, Masami Chiku 2001-03-27