SI

Syouichi Ikezima

RK Riso Kagaku: 1 patents #321 of 551Top 60%
Overall (All Time): #3,738,801 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5501146 Cylindrical drum assembly including a stencil sheet for use with a stencil printing machine Tetsu Yamanaka, Kengo Sugaya 1996-03-26