SI

Shoichi Ikejima

RK Riso Kagaku: 9 patents #56 of 551Top 15%
Overall (All Time): #586,378 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6679166 Stencil plate having independent dot perforations Jun Nakamura 2004-01-20
6659003 Stencil plate Jun Nakamura 2003-12-09
6536338 Method for producing a stencil plate from a heat sensitive stencil sheet Jun Nakamura 2003-03-25
6532867 Method for producing a stencil plate Jun Nakamura 2003-03-18
6117221 Emulsion ink for stencil printing Satoshi Nagashima, Hiromichi Yamada 2000-09-12
5622109 Process for producing a heat sensitive stencil sheet Tetsu Yamanaka, Takeshi Koishihara, Kenichi Shibuya, Satoshi Chonan 1997-04-22
5498464 Heat-sensitive stencil sheets and process Tetsu Yamanaka, Takeshi Koishihara, Kenichi Shibuya, Satoshi Chonan 1996-03-12
5160564 Process for producing a thermal stencil master sheet for stencil printing Takanori Hasegawa 1992-11-03
5133919 Apparatus for disposing of a used thermal stencil master sheet and a process for disposing of the same Takanori Hasegawa 1992-07-28