MY

Masayoshi Yokomatsu

📍 Soma, JP: #250 of 570 inventorsTop 45%
Overall (All Time): #2,335,208 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4725262 Process and apparatus for the manufacture of a valved sack with self-sealing valve — 1988-02-16
4604757 Paper sack with a valve for packaging pulverized or granular materials — 1986-08-05