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 51–75 of 131 patents

Patent #TitleCo-InventorsDate
8465145 Fluid ejecting apparatus and image formation method Hidenori Usuda, Kazutoshi Fujisawa 2013-06-18
8449089 Liquid injecting apparatus Yoshiharu Aruga, Hitoshi Matsumoto 2013-05-28
8398190 Fluid ejection device and fluid stirring method for the same, and fluid storage device and fluid stirring method for the same 2013-03-19
8388082 Fluid ejecting apparatus and fluid ejecting method Hidenori Usuda, Hideo Noro, Shinichi Kamoshida 2013-03-05
8336999 Liquid supply method Hitoshi Matsumoto 2012-12-25
8240840 Liquid ejecting apparatus and liquid ejecting method Hidenori Usuda 2012-08-14
8240792 Fluid ejecting apparatus, and fluid ejecting method Hidenori Usuda, Hideo Noro, Shinichi Kamoshida 2012-08-14
8240837 Fluid ejecting apparatus and image formation method Hidenori Usuda, Kazutoshi Fujisawa 2012-08-14
8210673 Recording apparatus Kaoru Koike 2012-07-03
8201918 Ink injecting apparatus Norihiro Masuda, Shinichi Kamoshida 2012-06-19
8186814 Liquid injecting apparatus Yoshiharu Aruga, Hitoshi Matsumoto 2012-05-29
8182064 Waste liquid treatment device and liquid ejecting apparatus Hideo Noro, Shinichi Kamoshida 2012-05-22
8177314 Printing apparatus and method of switching filled states Hidenori Usuda, Koji Harada, Yoshiaki Shimizu, Shinji Hirata 2012-05-15
8162447 Liquid ejection apparatus Atsushi Kobayashi 2012-04-24
8141993 Fluid ejecting apparatus and method for transporting fluid Jun Shimazaki 2012-03-27
8141974 Rotary-member control apparatus Hideo Noro 2012-03-27
8075091 Fluid ejecting apparatus and method of controlling the fluid ejecting apparatus Kaoru Koike, Hiroki Matsuoka 2011-12-13
8047645 Recording apparatus and liquid ejecting apparatus 2011-11-01
8033656 Liquid feeding device and liquid ejecting apparatus Tsuyoshi Otani 2011-10-11
8020977 Liquid-jetting device Atsushi Kobayashi, Hitotoshi Kimura 2011-09-20
8021139 Three-dimensional object forming apparatus and method for forming three dimensional object Kazutoshi Fujisawa, Akio Ito 2011-09-20
8016398 Liquid ejection apparatus and method for supplying liquid in liquid ejection apparatus 2011-09-13
7997703 Liquid container Takahiro Naka, Takahiro Katakura, Atsushi Kobayashi, Satoshi Shinada, Taku Ishizawa +6 more 2011-08-16
7959267 Liquid ejection apparatus Ryoichi Tanaka 2011-06-14
7934792 Liquid container Atsushi Kobayashi, Satoshi Shinada 2011-05-03