TI

Taku Ishizawa

SE Seiko Epson: 195 patents #3 of 7,774Top 1%
SE Sieko Epson: 1 patents #1 of 26Top 4%
Overall (All Time): #3,519 of 4,157,543Top 1%
196
Patents All Time

Issued Patents All Time

Showing 1–25 of 196 patents

Patent #TitleCo-InventorsDate
12319065 Ink refill container Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Tadashi Watanabe, Seigo MIYAZAWA 2025-06-03
12280601 Ink refill container and ink refill system Tadahiro Mizutani, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane 2025-04-22
12103312 Ink replenishment container Tadahiro Mizutani, Yoshihiro Koizumi, Tadashi Watanabe 2024-10-01
11932022 Ink bottle and bottle set Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more 2024-03-19
11926162 Ink refill container and ink refill system Tadahiro Mizutani, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane 2024-03-12
11667123 Ink refill container and ink refill system Tadahiro Mizutani, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane 2023-06-06
D988398 Ink replenish container Noriyuki Fukasawa, Tadashi Watanabe, Ryoichi Tanaka, Tadahiro Mizutani 2023-06-06
11597207 Ink bottle and bottle set Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more 2023-03-07
D979418 Packaging container Tomoyuki Higuchi, Tadahiro Mizutani, Yoshiaki Shimizu 2023-02-28
11541662 Ink refill container and ink refill system Tadahiro Mizutani, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane 2023-01-03
11465419 Liquid container Noriyuki Fukasawa, Hiroyuki Kawate, Takumi Nagashima 2022-10-11
11440329 Liquid ejecting system, specific liquid container, provision method, and delivery system Shuichi Koganehira 2022-09-13
11370224 Liquid storage container Noriyuki Fukasawa, Tadahiro Mizutani, Mao Otashiro 2022-06-28
11318748 Liquid supply system and liquid container Tadahiro Mizutani 2022-05-03
11305549 Container Tadahiro Mizutani, Takuma OZAWA 2022-04-19
11298952 Printing system Tadahiro Mizutani, Ryoichi Tanaka 2022-04-12
11298947 Ink container Yoshiaki Shimizu, Tadahiro Mizutani 2022-04-12
11269574 Image forming apparatus executes image formation process using spot and process colors, when high quality printing function is selected Tadahiro Mizutani 2022-03-08
11192380 Ink bottle and bottle set Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more 2021-12-07
11141985 Liquid supply unit Satoshi Shinada, Yoshiaki Shimizu, Noriyuki Fukasawa 2021-10-12
11117379 Ink replenish container Noriyuki Fukasawa, Tadashi Watanabe, Ryoichi Tanaka, Tadahiro Mizutani 2021-09-14
11072180 Ink tank Tadahiro Mizutani, Noriyuki Fukasawa, Hideki Okumura, Naomi Kimura 2021-07-27
11065879 Ink refill container and ink refill system Tadahiro Mizutani, Ryoichi Tanaka 2021-07-20
11059299 Ink replenishing container and ink replenishing system Tadahiro Mizutani 2021-07-13
11052668 Liquid container Seigo MIYAZAWA, Tadahiro Mizutani 2021-07-06