EA

Eijiro Arimura

RK Riso Kagaku: 5 patents #110 of 551Top 20%
📍 Ibaraki, JP: #1,893 of 6,779 inventorsTop 30%
Overall (All Time): #983,538 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10099481 Ink fill device, ink filling method, ink cartridge manufacturing method and ink cartridge Toshimasa Hoshino 2018-10-16
9902161 Ink cartridge 2018-02-27
9827775 Ink cartridge 2017-11-28
9409430 Inkjet printer 2016-08-09
9272865 Sheet transfer device Akihiro Tsumura 2016-03-01