KH

Keita Hirai

Brother Kogyo: 62 patents #82 of 2,767Top 3%
Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
MC Mimaki Engineering Co.: 2 patents #82 of 214Top 40%
NU National University Corporation Chiba University: 2 patents #39 of 320Top 15%
WG W.L. Gore & Associates Gmbh: 1 patents #668 of 1,175Top 60%
Overall (All Time): #22,014 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDate
12289860 Liquid cooling module Yuki Kanai, Kenji Sasabe, Hideo Kubo, Atsushi Endo, Masahide Kodama +1 more 2025-04-29
11892246 Cooling device KENTO OHGA, Hideo Kubo, Kenji Sasabe, Masahide Kodama, Atsushi Endo +2 more 2024-02-06
11685158 Liquid ejection head Shohei Koide, Keita Sugiura, Hiroshi Katayama 2023-06-27
11673389 Liquid discharge head Shohei Koide, Keita Sugiura, Hiroshi Katayama 2023-06-13
11642834 Manufacturing method for colored products and ink ejection device Wataru Arai, Kunio Hakkaku, Norimichi Tsumura, Junki Yoshii 2023-05-09
11618256 Liquid ejection head Jiro Yamamoto, Shohei Koide, Keita Sugiura, Hiroshi Katayama 2023-04-04
11573538 Layer configuration prediction method and layer configuration prediction apparatus Norimichi Tsumura, Junki Yoshii, Wataru Arai 2023-02-07
11565522 Head module Shohei Koide, Keita Sugiura, Hiroshi Katayama 2023-01-31
11430755 Electronic device including first substrate having first and second surfaces opposite from each other, second substrate facing first surface, and drive circuit facing second surface 2022-08-30
11413868 Liquid discharge head Hiroshi Katayama, Shohei Koide, Keita Sugiura 2022-08-16
11345146 Liquid discharge head Keita Sugiura, Shohei Koide, Hiroshi Katayama 2022-05-31
11338582 Liquid discharge apparatus and image recording apparatus including the same Hiroshi Katayama, Shohei Koide, Keita Sugiura 2022-05-24
11331906 Liquid discharge head and liquid discharge apparatus Shohei Koide, Keita Sugiura, Hiroshi Katayama 2022-05-17
11305532 Liquid ejection head Shohei Koide, Keita Sugiura, Hiroshi Katayama 2022-04-19
11285726 Liquid ejection head and liquid ejection apparatus Shohei Koide, Keita Sugiura, Hiroshi Katayama 2022-03-29
11273637 Liquid ejection head Shohei Koide, Keita Sugiura, Hiroshi Katayama 2022-03-15
11266039 Liquid immersion tank Masayuki Watanabe 2022-03-01
11260660 Liquid discharge head 2022-03-01
11258003 Piezoelectric actuator, liquid discharge head, and manufacturing method of piezoelectric actuator Toru Kakiuchi 2022-02-22
11254140 Liquid discharge head Hiroshi Katayama, Shohei Koide, Keita Sugiura 2022-02-22
11247460 Liquid discharging head Keita Sugiura, Shohei Koide, Hiroshi Katayama 2022-02-15
11241882 Liquid discharge head 2022-02-08
11189775 Composite substrate for preventing bonding failure between substrates 2021-11-30
11155087 Liquid discharge head Shohei Koide, Keita Sugiura, Hiroshi Katayama 2021-10-26
11135843 Liquid ejection head Jiro Yamamoto, Shohei Koide, Keita Sugiura, Hiroshi Katayama 2021-10-05