OK

Osamu Kakurai

RK Riso Kagaku: 2 patents #230 of 551Top 45%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,203,616 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6581514 Print medium feed device and stencil printing machine 2003-06-24
5979311 Stencil printer having printing paper feed control structure Masao Suzuki, Makoto Miyaki, Hiroyuki Sunagawa 1999-11-09