RT

Ryoichi Tanaka

SE Seiko Epson: 4 patents #95 of 1,345Top 8%
📍 Yokohama, JP: #71 of 253 inventorsTop 30%
Overall (2020): #45,441 of 565,922Top 9%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10857802 Liquid container Tadahiro Mizutani, Taku Ishizawa, Atsushi Kobayashi, Koichi Toba, Yoshiaki Shimizu +1 more 2020-12-08
10717287 Ink refill container, ink refill system, and ink refill adapter Tadahiro Mizutani, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more 2020-07-21
10618292 Printer and ink bottle Noriyuki Fukasawa, Taku Ishizawa, Tadahiro Mizutani, Naomi Kimura, Shoma Kudo +1 more 2020-04-14
10538093 Bottle set and bottle Takumi Nagashima, Hitoshi Igarashi, Tadahiro Mizutani, Tomoyuki Nakano 2020-01-21