TH

Toshiaki Hirosawa

Canon: 81 patents #221 of 19,416Top 2%
Overall (All Time): #22,179 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDate
11685089 Manufacturing method of liquid ejection head Takuya Iwano, Yukuo Yamaguchi, Hiromasa Amma 2023-06-27
10870279 Method of manufacturing liquid supply unit Soji Kondo, Yukuo Yamaguchi, Hiromasa Amma, Takuya Iwano, Noriyasu Nagai 2020-12-22
10654269 Liquid ejection head Shin Ishimatsu, Genji Inada, Hiromasa Amma, Shogo Kawamura, Yasuhiko Osaki +1 more 2020-05-19
10618327 Liquid ejection head unit and liquid ejection apparatus Takuya Iwano, Hiromasa Amma, 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, Hiromasa Amma, Soji Kondo, Noriyasu Nagai 2020-01-14
10525711 Method of manufacturing liquid ejecting head Hiromasa Amma, Yukuo Yamaguchi, Soji Kondo, Takuya Iwano, Noriyasu Nagai 2020-01-07
10507644 Liquid ejecting head Shogo Kawamura, Genji Inada, Hiromasa Amma, 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, Hiromasa Amma, Shogo Kawamura, Yasuhiko Osaki, Shin Ishimatsu +1 more 2019-11-12
10391767 Liquid ejection head Yasuhiko Osaki, Genji Inada, Hiromasa Amma, Shogo Kawamura, Takuya Iwano +1 more 2019-08-27
10384457 Liquid ejection head unit and liquid ejecting apparatus Tomoki Tsuji, Hiromasa Amma, Takuya Iwano, Akira Kida, Tetsuji Kurata +1 more 2019-08-20
9358779 Apparatus and method for driving the same Kyota Miyazaki, Akira Yamamoto, Yasuhiko Osaki 2016-06-07
9266328 Liquid ejection head and liquid ejection apparatus 2016-02-23
9114624 Liquid discharge head, liquid discharge apparatus, and liquid filling method Akira Yamamoto 2015-08-25
8894182 Liquid discharge head Yasuhiko Osaki, Hiroki Tajima, Akira Yamamoto, Kyota Miyazaki 2014-11-25
8840226 Liquid discharge head and method of producing liquid discharge head Shogo Kawamura, Akira Yamamoto 2014-09-23
8801156 Flow passage assembly and method for manufacturing flow passage assembly, inkjet recording head, and recording apparatus Ryo Shimamura, Takeshi Shibata, Akira Yamamoto, Hiroki Tajima 2014-08-12
8746849 Liquid discharge head and method for manufacturing the same Hiroshi Abe 2014-06-10
8573748 Recording head Shogo Kawamura, Hiroshi Abe 2013-11-05
8517517 Liquid discharge head and method for manufacturing the same Hiroshi Abe 2013-08-27
8419167 Liquid discharge head and liquid discharge apparatus Kyota Miyazaki, Hiroki Tajima, Akira Yamamoto 2013-04-16
8353576 Liquid discharge head and electric wiring substrate Akira Yamamoto, Hiroki Tajima, Kyota Miyazaki 2013-01-15
8177330 Liquid discharge head, ink jet recording head and ink jet recording apparatus Takatoshi Suganuma, Yasutomo Watanabe, Shuzo Iwanaga, Akira Yamamoto, Yasuhiko Osaki 2012-05-15
8157356 Ink jet printing head Akira Yamamoto, Katsuhiko Takano, Junji Yasuda, Manabu Sueoka 2012-04-17
8141988 Liquid ejection head, recording apparatus having the same, and recording method 2012-03-27
7980676 Liquid ejection head including member supporting liquid ejection substrate Shuzo Iwanaga 2011-07-19