HO

Hiroaki Okui

SE Seiko Epson: 55 patents #163 of 7,774Top 3%
Overall (All Time): #45,046 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDate
12397553 Liquid ejecting apparatus Eiichiro Watanabe, Yu Hasegawa 2025-08-26
12384166 Liquid ejecting apparatus and liquid discharging method 2025-08-12
12370798 Liquid ejecting apparatus Hirokazu Yanagihara, Eiichiro Watanabe 2025-07-29
12365181 Liquid ejecting apparatus Eiichiro Watanabe, Yu Hasegawa 2025-07-22
12296595 Liquid ejecting apparatus and liquid filling method Yu Hasegawa, Eiichiro Watanabe, Masami Ota 2025-05-13
12269265 Liquid ejecting head and liquid ejecting apparatus Yu Hasegawa, Eiichiro Watanabe, Yuma Fukuzawa 2025-04-08
12208617 Head chip, liquid ejecting head, and liquid ejecting apparatus 2025-01-28
11958291 Liquid discharging head and liquid discharging apparatus Shohei MIZUTA 2024-04-16
11865836 Liquid ejecting head and liquid ejecting apparatus Kentaro Murakami 2024-01-09
11850859 Liquid ejecting head and liquid ejecting apparatus Eiichiro Watanabe, Shun KATSUIE 2023-12-26
11845278 Liquid ejecting head and liquid ejecting apparatus Eiichiro Watanabe, Takahiro Kanegae, Kazuaki Uchida 2023-12-19
11840085 Liquid ejecting head and liquid ejecting apparatus Eiichiro Watanabe 2023-12-12
11827016 Liquid ejecting apparatus Eiichiro Watanabe 2023-11-28
11787183 Liquid ejecting head and liquid ejecting apparatus Eiichiro Watanabe, Shun KATSUIE 2023-10-17
11760093 Liquid ejecting head and liquid ejecting apparatus 2023-09-19
11691445 Liquid ejecting apparatus and method of fixing liquid ejecting head Eiichiro Watanabe 2023-07-04
11613122 Liquid ejecting head and liquid ejecting apparatus Eiichiro Watanabe, Shun KATSUIE 2023-03-28
11554585 Liquid ejecting head and liquid ejecting apparatus 2023-01-17
11446928 Liquid discharging head and method of manufacturing liquid discharging head Motoki Takabe, Eiju Hirai 2022-09-20
11400713 Liquid ejecting head and liquid ejecting apparatus 2022-08-02
11254127 Liquid ejecting head and liquid ejecting apparatus Wataru Takahashi 2022-02-22
11235575 Flow path structure, liquid ejecting head, and liquid ejecting apparatus Isamu Togashi, Yasuyuki Kudo, Fujio Akahane 2022-02-01
11192366 Liquid ejecting head and liquid ejecting apparatus Eiju Hirai, Toru Kashimura, Yuki Watanabe 2021-12-07
10913267 Method of controlling liquid ejecting apparatus and liquid ejecting apparatus Tomoshige Kaneko 2021-02-09
10857785 Liquid ejecting head, liquid ejecting unit, liquid ejecting apparatus, and piezoelectric device Eiju Hirai, Yoichiro Kondo 2020-12-08