KO

Kenji Ohshima

RK Riso Kagaku: 3 patents #2 of 72Top 3%
📍 Hitachinaka, JP: #24 of 318 inventorsTop 8%
Overall (2003): #26,930 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6629495 Method of and apparatus for making heat-sensitive stencil and heat-sensitive stencil material Jun Nakamura 2003-10-07
6571699 Method of thermally perforating a heat sensitive stencil Jun Nakamura 2003-06-03
6571700 Method for making a heat-sensitive stencil Jun Nakamura 2003-06-03