HA

Hiromasa Amma

Canon: 60 patents #466 of 19,416Top 3%
Overall (All Time): #38,771 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 1–25 of 60 patents

Patent #TitleCo-InventorsDate
12275246 Liquid ejection head and liquid ejection apparatus Tomoki Tsuji, Shingo Okushima, Takuya Iwano 2025-04-15
12090758 Liquid ejection head and liquid ejection apparatus Satoshi Kimura, Takuya Iwano, Shingo Okushima 2024-09-17
11685089 Manufacturing method of liquid ejection head Takuya Iwano, Yukuo Yamaguchi, Toshiaki Hirosawa 2023-06-27
11020887 Resin molding method Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Takuya Iwano, Satoshi Kimura +3 more 2021-06-01
10994542 Inkjet printing apparatus Tetsuji Kurata, Takuya Iwano 2021-05-04
10926441 Liquid supply member and manufacturing method of liquid supply member Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2021-02-23
10906221 Manufacturing method of liquid supply member Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2021-02-02
10870279 Method of manufacturing liquid supply unit Soji Kondo, Yukuo Yamaguchi, Toshiaki Hirosawa, Takuya Iwano, Noriyasu Nagai 2020-12-22
10828812 Molded part, manufacturing method of molded part and mold Takuya Iwano, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Satoshi Kimura +3 more 2020-11-10
10654269 Liquid ejection head Shin Ishimatsu, Toshiaki Hirosawa, Genji Inada, Shogo Kawamura, Yasuhiko Osaki +1 more 2020-05-19
10618327 Liquid ejection head unit and liquid ejection apparatus Takuya Iwano, Toshiaki Hirosawa, Tomoki Tsuji, Akira Kida, Tetsuji Kurata +1 more 2020-04-14
10532574 Method of manufacturing liquid ejecting head, and liquid ejecting head Takuya Iwano, Yukuo Yamaguchi, Toshiaki Hirosawa, Soji Kondo, Noriyasu Nagai 2020-01-14
10525711 Method of manufacturing liquid ejecting head Yukuo Yamaguchi, Toshiaki Hirosawa, Soji Kondo, Takuya Iwano, Noriyasu Nagai 2020-01-07
10513069 Method for manufacturing liquid supply member Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Takuya Iwano, Satoshi Kimura +3 more 2019-12-24
10507644 Liquid ejecting head Shogo Kawamura, Toshiaki Hirosawa, Genji Inada, Yasuhiko Osaki, Takuya Iwano +1 more 2019-12-17
10471728 Liquid ejection head, liquid ejection apparatus, and method of attaching liquid ejection head Genji Inada, Toshiaki Hirosawa, Shogo Kawamura, Yasuhiko Osaki, Shin Ishimatsu +1 more 2019-11-12
10471719 Manufacturing method of liquid supply component Kyosuke Toda, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2019-11-12
10471727 Liquid ejecting head and liquid ejecting apparatus Chiaki Muraoka, Yukuo Yamaguchi, Takuya Iwano, Takeshi Sekino 2019-11-12
10434694 Resin molding method Yasushi Iijima, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2019-10-08
10391767 Liquid ejection head Yasuhiko Osaki, Toshiaki Hirosawa, Genji Inada, Shogo Kawamura, Takuya Iwano +1 more 2019-08-27
10384457 Liquid ejection head unit and liquid ejecting apparatus Tomoki Tsuji, Toshiaki Hirosawa, Takuya Iwano, Akira Kida, Tetsuji Kurata +1 more 2019-08-20
10363692 Method for manufacturing liquid supply member Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Takuya Iwano, Satoshi Kimura +3 more 2019-07-30
10307967 Method for manufacturing liquid-ejecting head Kyosuke Toda, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2019-06-04
10300643 Manufacture method of liquid supply member and manufacture apparatus Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2019-05-28
10081185 Liquid ejection head, liquid ejection apparatus, flow path member, and method for manufacturing liquid ejection head Satoshi Kimura, Yukuo Yamaguchi, Mikiya Umeyama, Yasushi Iijima, Kyosuke Toda +3 more 2018-09-25