EA

Eijiro Arimura

RK Riso Kagaku: 2 patents #8 of 53Top 20%
📍 Ibaraki, JP: #90 of 638 inventorsTop 15%
Overall (2018): #152,158 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 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