SO

Sadanao Okuda

RK Riso Kagaku: 29 patents #2 of 551Top 1%
Overall (All Time): #132,879 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5575839 Stencil printing emulsion ink 1996-11-19
5573578 Stencil printing emulsion ink 1996-11-12
5559074 Heat-sensitive stencil sheet Hideo Watanabe 1996-09-24
5476043 Method and device for post-processing a printed image in a printing device Takahito Tojima, Takashi Isozaki 1995-12-19