SK

Shoji Koike

Canon: 131 patents #49 of 19,416Top 1%
RE Ricoh Elemex: 4 patents #7 of 49Top 15%
Overall (All Time): #7,908 of 4,157,543Top 1%
134
Patents All Time

Issued Patents All Time

Showing 25 most recent of 134 patents

Patent #TitleCo-InventorsDate
10889116 Image printing method Takaharu Aotani, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Yohei Masada +2 more 2021-01-12
10836921 Ink, ink cartridge, and ink jet recording method Akihiro Taya, Masahiro Terada, Hidetaka Kawamura, Yohei Masada, Masanobu Ootsuka +2 more 2020-11-17
10525725 Image recording method, ink set, and method of preparing ink set Akihiro Taya, Masahiro Terada, Hidetaka Kawamura, Yohei Masada, Masanobu Ootsuka +2 more 2020-01-07
10513623 Aqueous ink, ink cartridge and image recording method Masanobu Ootsuka, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Yohei Masada +2 more 2019-12-24
10280322 Ink, ink cartridge, and image recording method Yohei Masada, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Masanobu Ootsuka +2 more 2019-05-07
10253194 Ink, ink cartridge, and image recording method Yutaka Yoshimasa, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Yohei Masada +2 more 2019-04-09
10196532 Ink, ink cartridge, and image recording method Hidetaka Kawamura, Masahiro Terada, Akihiro Taya, Yohei Masada, Masanobu Ootsuka +2 more 2019-02-05
10190010 Ink, ink cartridge, and image recording method Hidetaka Kawamura, Masahiro Terada, Akihiro Taya, Yohei Masada, Masanobu Ootsuka +2 more 2019-01-29
10167399 Ink, ink cartridge, and image recording method Yohei Masada, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Masanobu Ootsuka +2 more 2019-01-01
9862845 Ink, ink cartridge, and image recording method Takaharu Aotani, Masahiro Terada, Hidetaka Kawamura, Akihiro Taya, Yohei Masada +2 more 2018-01-09
9493011 Filling liquid for distribution of ink jet head, ink jet head, and distribution method for ink jet head Eriko Himura, Shintaro Suzuki, Yusuke Sumikawa, Takahiro Tsutsui 2016-11-15
8919943 Ink-jet recording method Masayuki Ikegami, Ikuo Nakazawa, Akira Kuriyama, Taketoshi Okubo, Atsuhito Yoshizawa +1 more 2014-12-30
8506067 Ink jet image-forming method, ink jet color image-forming method and ink jet recording apparatus Ryota Kato, Hitoshi Yoshino 2013-08-13
8408691 Ink jet recording ink, ink jet image forming method and ink jet recording apparatus Ikuo Nakazawa, Taketoshi Okubo, Akira Kuriyama, Masayuki Ikegami, Atsuhito Yoshizawa 2013-04-02
8388125 Inkjet recording ink Taketoshi Okubo, Atsuhito Yoshizawa 2013-03-05
8328926 Ink jet recording ink, ink jet image-forming method and ink jet recording apparatus Ryota Kato, Hitoshi Yoshino 2012-12-11
8328341 Ink jet recording ink, ink jet image-forming method and ink jet recording apparatus Ryota Kato, Hitoshi Yoshino 2012-12-11
8308198 Water-based fluorescent ink, recorded image using the same, and judging method Masako Udagawa, Makoto Aoki, Akira Nagashima, Shinichi Hakamada 2012-11-13
8262790 Colored particles Kazumichi Nakahama 2012-09-11
8262791 Coloring particles Shinnosuke Koji, Kazumichi Nakahama 2012-09-11
7959280 Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus Yoshihisa Yamashita, Kohei Watanabe, Hayato Ida 2011-06-14
7926931 Ink and ink jet recording method Ryuji Katsuragi, Yasuharu Notoya 2011-04-19
7731346 Ink-jet recording method, ink-jet ink, ink-jet recording unit, ink cartridge for ink-jet recording and ink-jet recording apparatus Yoshihisa Yamashita, Kohei Watanabe, Hayato Ida 2010-06-08
7641723 Ink jet recording ink, recording method and recording apparatus Ryota Kato 2010-01-05
7611570 Ink jet recording ink, recording method and recording apparatus Ryota Kato 2009-11-03