RK

Ryo Kasai

Canon: 4 patents #282 of 3,589Top 8%
Overall (2018): #36,808 of 503,207Top 8%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10150290 Print element substrate and printing device Kengo Umeda, Takatsuna Aoki, Makoto Takagi 2018-12-11
10105949 Recording element substrate, liquid ejection head, and liquid ejection apparatus Masataka Sakurai, Nobuyuki Hirayama, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura +1 more 2018-10-23
10076902 Print element substrate, liquid ejection head, and printing device Hideo Kanno 2018-09-18
10035346 Element substrate and liquid ejection head Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Hidenori Yamato, Makoto Takagi +4 more 2018-07-31