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 101–125 of 131 patents

Patent #TitleCo-InventorsDate
7240999 Liquid ejection apparatus and control method of the liquid ejection apparatus Atsushi Kobayashi, Hidetoshi Masuda 2007-07-10
7201475 Liquid supplying member, method of manufacturing the same, and liquid ejection apparatus incorporating the same Akihiko Shiho, Hitotoshi Kimura, Hitoshi Matsumoto 2007-04-10
7164436 Liquid ejection apparatus Atsushi Kobayashi 2007-01-16
7163282 Valve unit and liquid ejecting apparatus Atsushi Kobayashi, Yoshiharu Aruga 2007-01-16
7156507 Liquid injector Yoshiharu Aruga, Hitoshi Matsumoto 2007-01-02
7152965 Ink cartridge, and ink-jet recording apparatus using the same Taku Ishizawa, Masanori Kamijyo 2006-12-26
7077512 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 2006-07-18
7066585 Liquid ejecting apparatus, tank for evacuating liquid of liquid ejecting apparatus and method of evacuating liquid of liquid ejecting apparatus 2006-06-27
7033009 Ink cartridge, ink-jet type printing apparatus using the same, and ink cartridge change control method in the apparatus Satoshi Shinada, Takahiro Naka, Yusuke Torigoe, Yuki Togawa, Satoru Orii +1 more 2006-04-25
6866355 Ink jet recording apparatus, and method of supplying ink to sub-tank of the ink jet recording apparatus Yoshiharu Aruga, Atsushi Kobayashi 2005-03-15
6796627 Ink jet recording apparatus, method of replenishing ink to subtank in the apparatus, and method of checking the replenished amount of ink Hitotoshi Kimura, Atsushi Kobayashi, Noboru Tamura, Hiroaki Tojyo, Yoshiharu Aruga +3 more 2004-09-28
6758556 Ink cartridge, and ink-jet recording apparatus using the same Taku Ishizawa, Masanori Kamijyo 2004-07-06
6695431 Liquid jet apparatus 2004-02-24
6676237 Ink jet recording apparatus and method of correcting calculation of ink amount consumed therein Atsushi Kobayashi, Seiji Mochizuki 2004-01-13
6666549 Ink-jet recording apparatus and ink supply method therein Shuhei Harada, Atsushi Kobayashi 2003-12-23
6582068 Ink cartridge, and ink-jet recording apparatus using the same Taku Ishizawa, Masanori Kamijyo 2003-06-24
6547363 Ink cartridge, ink jet type printing apparatus using the same, and ink cartridge change control method in the apparatus Satoshi Shinada, Takahiro Naka, Yusuke Torigoe, Yuki Togawa, Satoru Orii +1 more 2003-04-15
6340219 Ink jet recording apparatus Yoshiharu Aruga 2002-01-22
6203137 Ink jet recording apparatus and waste ink tank thereof Hiroe Niimura 2001-03-20
6070959 Recording method for use in ink jet type recording device and ink jet type recording device Kenichi Kanbayashi, Yasuhiko Kosugi 2000-06-06
5847736 Ink jet recorder and recording head cleaning method Kenichi Kanbayashi, Hiroe Niimura, Toru Fukushima 1998-12-08
5841456 Transfer printing apparatus with dispersion medium removal member Katsumori Takei, Tsuyoshi Kitahara, Takahiro Katakura, Toshihisa Saruta, Tohru Fukushima 1998-11-24
5831655 Ink jet recording apparatus Hiroshi Asawa, Toru Fukushima, Eiji Kumai 1998-11-03
5714204 Anti-dusting treating method and treating agent for inorganic fiber containing building material Nobuo Suzuki, Takao Takeshi 1998-02-03
5623296 Intermediate transfer ink jet recording method Makoto Fujino, Michinari Tsukahara, Yoshie Hosono, Hiroto Nakamura, Yoshiyuki Koike +3 more 1997-04-22