TK

Toshio Kumagai

SE Seiko Epson: 128 patents #14 of 7,774Top 1%
SC Shimizu Construction Co.: 2 patents #41 of 352Top 15%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
SG Seiko Group: 1 patents #32 of 90Top 40%
Overall (All Time): #8,274 of 4,157,543Top 1%
131
Patents All Time

Issued Patents All Time

Showing 76–100 of 131 patents

Patent #TitleCo-InventorsDate
7909440 Liquid container Atsushi Kobayashi, Satoshi Shinada 2011-03-22
7905585 Liquid ejection apparatus Ryoichi Tanaka 2011-03-15
7891787 Liquid feeding device and liquid ejecting apparatus Tsuyoshi Otani 2011-02-22
7883164 Liquid storing device and liquid storing cartridge having a simple structure for ink agitation and ink state detection Hideo Noro 2011-02-08
7874658 Liquid injection apparatus and method for driving the same Keiichiro Yoshino, Takeo Seino, Koji Morikoshi 2011-01-25
7862320 Three-dimensional object forming apparatus and method for forming three dimensional object Kazutoshi Fujisawa, Akio Ito 2011-01-04
7845750 Ink jet type recording apparatus, ink type information setting method in the apparatus and ink cartridge used in the apparatus Atsushi Kobayashi, Shuichi Nakano, Daisuke Miyashita 2010-12-07
7824020 Liquid feed tube for liquid jetting device and liquid jetting device Youkou Saito, Tadashi Utsunomiya, Hitoshi Matsumoto, Masanori Takemura, Kazuyuki Saito +1 more 2010-11-02
7806523 Liquid ejecting apparatus and liquid container holder thereof Takeo Seino, Hitotoshi Kimura, Atsushi Kobayashi, Taku Ishizawa, Munehide Kanaya +1 more 2010-10-05
7784896 Liquid ejecting apparatus Hidenori Usuda, Nobuhito Takahashi 2010-08-31
7784923 Ink cartridge, and ink-jet recording apparatus using the same Taku Ishizawa, Masanori Kamijyo 2010-08-31
7780277 Liquid injecting apparatus Yoshiharu Aruga, Hitoshi Matsumoto 2010-08-24
7735992 Recording apparatus and liquid ejecting apparatus 2010-06-15
7699449 Liquid injection apparatus and method for driving the same Keiichiro Yoshino, Takeo Seino, Koji Morikoshi 2010-04-20
7575308 Liquid ejection apparatus Atsushi Kobayashi 2009-08-18
7524044 Liquid ejection apparatus and method for supplying liquid in liquid ejection apparatus 2009-04-28
7413296 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Atsushi Kobayashi, Masanori Takemura, Hitoshi Matsumoto 2008-08-19
7404628 Liquid container Takahiro Naka, Takahiro Katakura, Atsushi Kobayashi, Satoshi Shinada, Taku Ishizawa +6 more 2008-07-29
7399003 Duct connecting structure Atsushi Kobayashi, Yoshiharu Aruga, Izumi Nozawa 2008-07-15
7393091 Liquid-jetting device Atsushi Kobayashi, Hitotoshi Kimura 2008-07-01
7387377 Liquid ejection apparatus and method for driving the same Keiichiro Yoshino, Takeo Seino, Koji Morikoshi, Taisuke Yamamoto 2008-06-17
7370949 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Atsushi Kobayashi, Masanori Takemura, Hitoshi Matsumoto, Hitotoshi Kimura 2008-05-13
7278718 Liquid injecting apparatus Yoshiharu Aruga, Hitoshi Matsumoto 2007-10-09
7273271 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Atsushi Kobayashi, Masanori Takemura, Hitoshi Matsumoto 2007-09-25
7244009 Ink jet type recording apparatus, ink type information setting method in the apparatus and ink cartridge used in the apparatus Atsushi Kobayashi, Shuichi Nakano, Daisuke Miyashita 2007-07-17