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 26–50 of 60 patents

Patent #TitleCo-InventorsDate
10071512 Method for manufacturing liquid-ejecting head Satoshi Kimura, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano +3 more 2018-09-11
9981476 Liquid discharge head Chiaki Muraoka, Yukuo Yamaguchi, Mikiya Umeyama, Takuya Iwano, Tokuji Kudo +1 more 2018-05-29
9975346 Liquid ejection head, liquid ejection apparatus and manufacturing method for liquid ejection head Mikiya Umeyama, Genji Inada, Takuya Iwano, Yasuyuki Takanaka, Masaya Uetsuki 2018-05-22
9969167 Liquid ejection head and method for manufacturing the same Mikiya Umeyama, Genji Inada, Takuya Iwano 2018-05-15
9931850 Manufacture method of liquid supply member, manufacture apparatus, and liquid supply member Takuya Iwano, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Satoshi Kimura +3 more 2018-04-03
9902163 Liquid ejecting head and liquid ejecting apparatus Shimpei Yoshikawa, Chiaki Muraoka, Tokuji Kudo, Takuya Iwano, Kimiyuki Hayasaki 2018-02-27
9884485 Liquid ejecting head and liquid ejecting apparatus Shimpei Yoshikawa, Chiaki Muraoka, Tokuji Kudo, Takuya Iwano, Kimiyuki Hayasaki 2018-02-06
9832864 Circuit board and liquid ejection head Junichiro Iri, Ryo Sato, Kazuhiro Idogawa, Chiaki Muraoka, Takuya Iwano 2017-11-28
9770911 Liquid ejection head and liquid ejection apparatus with beam-shaped members in flow passage Genji Inada, Takuya Iwano, Chiaki Muraoka, Tokuji Kudo, Shimpei Yoshikawa +1 more 2017-09-26
9764554 Method for manufacturing molded member and liquid ejecting head, liquid ejecting head, and mold Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Takuya Iwano, Satoshi Kimura +3 more 2017-09-19
9751318 Liquid ejection apparatus and attachment assembly of liquid ejection apparatus Takuya Iwano, Takeshi Sekino, Noboru Shimoyama, Shuichi Hasegawa 2017-09-05
9744767 Liquid discharge head and method of manufacturing the same Naruyuki Nojo, Takuya Iwano 2017-08-29
9718274 Liquid ejection head and liquid ejection apparatus Genji Inada, Takuya Iwano, Chiaki Muraoka, Tokuji Kudo, Shimpei Yoshikawa 2017-08-01
9193154 Liquid ejection head and liquid ejection apparatus Kyosuke Toda, Hirotaka Miyazaki 2015-11-24
9050791 Liquid discharge head and method for manufacturing the same Keisuke Iinuma, Kyosuke Toda 2015-06-09
8998375 Liquid ejection apparatus and liquid ejection head Kyosuke Toda 2015-04-07
8777377 Liquid discharge head Rumi Nagata, Keisuke Iinuma 2014-07-15
8500250 Liquid discharge head and method for manufacturing the same Keisuke Iinuma, Kyosuke Toda 2013-08-06
8398207 Inkjet recording head and inkjet recording method Shingo Nagata 2013-03-19
8162460 Inkjet printing head and inkjet printing cartridge Keiichiro Tsukuda 2012-04-24
8147048 Ink jet recording cartridge 2012-04-03
8109617 Liquid container and ink jet printing apparatus Yasuo Kotaki, Keisuke Matsuo, Kenji Kitabatake, Naoki Tashiro 2012-02-07
8070276 Ink jet recording cartridge 2011-12-06
7926927 Liquid container and jet printing apparatus Yasuo Kotaki, Keisuke Matsuo, Kenji Kitabatake, Naoki Tashiro 2011-04-19
7588328 Ink jet recording cartridge having commonly useable components Wataru Takahashi, Masashi Ogawa, Yasuo Kotani 2009-09-15