HO

Hideki Okumura

SE Seiko Epson: 3 patents #165 of 1,345Top 15%
Overall (2020): #88,433 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10752009 Liquid tank and liquid ejection device Shoma Kudo 2020-08-25
10717287 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura +3 more 2020-07-21
10618297 Tank and liquid ejection device Takashi Koase 2020-04-14