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 51–60 of 60 patents

Patent #TitleCo-InventorsDate
7559636 Ink tank with valve in ink supply port Kenji Kitabatake, Yasuo Kotaki, Keisuke Matuso, Toshihiko Ujita 2009-07-14
7445322 Liquid storing container and recording apparatus Kenji Kitabatake, Keisuke Matsuo, Masashi Ogawa 2008-11-04
7384116 Liquid container and ink jet printing apparatus Yasuo Kotaki, Keisuke Matsuo, Kenji Kitabatake, Naoki Tashiro 2008-06-10
7350910 Liquid container and ink jet recording apparatus Yasuo Kotaki, Keisuke Matsuo, Kenji Kitabatake 2008-04-01
7249824 Liquid discharge head having inductive channel and recording device incorporating liquid discharge head Masashi Ogawa, Wataru Takahashi, Yasuo Kotaki 2007-07-31
7234803 Ink jet recording cartridge having a lid for pressing an absorber and commonly usable in other ink jet recording cartridge configurations Wataru Takahashi, Masashi Ogawa, Yasuo Kotaki 2007-06-26
7172273 Ink tank Toshihiko Ujita, Keisuke Matsuo, Kenji Kitabatake 2007-02-06
7111931 Ink tank Toshihiko Ujita, Yasuo Kotaki, Keisuke Matsuo, Kenji Kitabatake 2006-09-26
7108361 Ink tank Kenji Kitabatake, Yasuo Kotaki, Keisuke Matsuo, Toshihiko Ujita 2006-09-19
7055942 Liquid discharge head cartridge Wataru Takahashi, Hiroki Hayashi, Masashi Ogawa, Yasuo Kotaki 2006-06-06