RK

Ryo Kasai

Canon: 82 patents #213 of 19,416Top 2%
SI Sumitomo Electric Device Innovations: 1 patents #123 of 208Top 60%
Overall (All Time): #20,800 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 26–50 of 83 patents

Patent #TitleCo-InventorsDate
10596816 Liquid ejection head substrate and liquid ejection head 2020-03-24
10532565 Print element substrate, printhead, and printing apparatus Yohei Osuki, Masataka Sakurai, Kengo Umeda, Hidenori Yamato 2020-01-14
10479075 Print head substrate and method of manufacturing the same, and semiconductor substrate Masataka Sakurai, Koichi Ishida 2019-11-19
10427400 Printhead and printing apparatus Hidenori Yamato, Hideo Kanno, Masataka Sakurai, Kengo Umeda 2019-10-01
10406808 Printing apparatus and printhead substrate Kengo Umeda, Takamitsu Tokuda 2019-09-10
10391788 Element substrate, printhead, and printing apparatus Kengo Umeda 2019-08-27
10350885 Liquid discharge device and liquid discharge head Takatsuna Aoki, Shuzo Iwanaga, Seiichiro Karita, Kazuhiro Yamada, Shingo Okushima +5 more 2019-07-16
10315415 Printhead and printing apparatus Kengo Umeda 2019-06-11
10252523 Element substrate, printhead, and printing apparatus 2019-04-09
10166764 Element substrate, printhead, and printing apparatus 2019-01-01
10150290 Print element substrate and printing device Kengo Umeda, Takatsuna Aoki, Makoto Takagi 2018-12-11
10105949 Recording element substrate, liquid ejection head, and liquid ejection apparatus Masataka Sakurai, Nobuyuki Hirayama, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura +1 more 2018-10-23
10076902 Print element substrate, liquid ejection head, and printing device Hideo Kanno 2018-09-18
10035346 Element substrate and liquid ejection head Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Hidenori Yamato, Makoto Takagi +4 more 2018-07-31
9724919 Printing element substrate, printhead, and printhead manufacturing method Nobuyuki Hirayama, Kengo Umeda 2017-08-08
9597893 Element substrate and liquid discharge head Tomoko Kudo 2017-03-21
9579888 Recording element substrate Tomoko Kudo, Tatsuo Furukawa, Nobuyuki Hirayama, Kimiyuki Hayasaki 2017-02-28
9575420 Lithography apparatus and article manufacturing method 2017-02-21
9138992 Reception device and apparatus having the same Nobuyuki Hirayama, Tatsuo Furukawa, Kimiyuki Hayasaki, Hisao Terajima 2015-09-22
9096058 Device and apparatus for controlling same Tatsuo Furukawa, Nobuyuki Hirayama, Shinichi Omo, Hiroyuki Nakamura, Kimiyuki Hayasaki 2015-08-04
9085144 Liquid ejection head and inkjet printing apparatus Yoshiyuki Nakagawa, Takatsuna Aoki, Kazuhiro Yamada, Yumi Komamiya 2015-07-21
9067411 Liquid discharge head Nobuyuki Hirayama, Kengo Umeda 2015-06-30
9044935 Element substrate, printhead, and printing apparatus Tomoko Kudo, Nobuyuki Hirayama 2015-06-02
9039126 Liquid ejection head substrate and liquid ejection head Nobuyuki Hirayama 2015-05-26
8944550 Element substrate, printhead, and printing apparatus Nobuyuki Hirayama, Makoto Takagi 2015-02-03