YK

Yutaka Koizumi

Canon: 7 patents #48 of 2,436Top 2%
Overall (2005): #2,311 of 245,428Top 1%
7
Patents 2005

Issued Patents 2005

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6975466 Liquid discharge recording head, liquid discharge recording apparatus, and method for manufacturing liquid discharge head Mikiya Umeyama, Yukuo Yamaguchi, Hideo Fukazawa, Hiroki Tajima, Nobuyuki Hatasa 2005-12-13
6957883 Liquid discharge recording head Yukuo Yamaguchi, Mikiya Umeyama 2005-10-25
6945643 Ink jet head storing structure and liquid filling method Hiroki Tajima, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto, Yasushi Iijima 2005-09-20
6913351 Liquid jet recording head and recording apparatus Yukuo Yamaguchi, Mikiya Umeyama 2005-07-05
6880925 Liquid discharge recording head, liquid discharge recording apparatus, and method for producing stopper member for liquid discharge recording head Yukuo Yamaguchi, Mikiya Umeyama 2005-04-19
RE38710 Laser process for making a filter for an ink jet Akira Goto, Masaki Inaba, Tsuyoshi Orikasa, Toshio Kashino, Seiichiro Karita +7 more 2005-03-15
6851795 Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for same Itaru Watanabe, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto, Hiroki Tajima +3 more 2005-02-08