KU

Kiyofumi Usui

SE Seiko Epson: 4 patents #3,385 of 7,774Top 45%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
SK Shinshu Seiki Kabushiki Kaisha: 1 patents #14 of 38Top 40%
Overall (All Time): #1,036,742 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6854835 Ink cartridge for ink jet printer and method of charging ink into said cartridge Takao Kobayashi, Satoshi Shinada, Shoichi Hiraide, Kazuo Koshino, Hisashi Miyazawa +4 more 2005-02-15
6655779 Judgement on compatibility between ink cartridges and printing apparatus Hideto Matsuzaka, Kazuo Koshino, Toshihisa Saruta 2003-12-02
6247803 Ink jet recording apparatus and method for replenishing ink in the tank cartridge Munehide Kanaya, Takao Kobayashi, Eiko Yanagida, Yoshinori Miyazawa 2001-06-19
6238042 Ink cartridge for ink jet printer and method of charging ink into said cartridge Takao Kobayashi, Satoshi Shinada, Shoichi Hiraide, Kazuo Koshino, Hisashi Miyazawa +4 more 2001-05-29
4204180 End of paper roll detection assembly Chihiro Otsuki, Sadaharu Inukai 1980-05-20