Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10781329 | Aqueous ink, ink cartridge and ink jet recording method | Tomoaki Ishii, Masayuki Ikegami, Masashi Yamamoto, Yoko Taira | 2020-09-22 |
| 10487229 | Ink jet recording method and ink jet recording apparatus | Yuki Nishino | 2019-11-26 |
| 10280323 | Aqueous ink, ink cartridge and ink jet recording method | Kuniaki Fujimoto, Kenichi Shiiba, Yuki Nishino | 2019-05-07 |
| 10259963 | Aqueous ink, ink cartridge and ink jet recording method | Aiko Masada, Kenichi Shiiba, Yuki Nishino | 2019-04-16 |
| 10253197 | Aqueous ink, ink cartridge and ink jet recording method | Kenichi Shiiba, Daiji Okamura, Kousuke Yamasaki | 2019-04-09 |
| 9371461 | Ink, ink cartridge and ink jet recording method | Arihiro Saito, Mikio Sanada | 2016-06-21 |
| 9243155 | Ink jet ink, ink cartridge, and ink jet recording method | Daiji Okamura, Kousuke Yamasaki, Kouichirou Okumura, Kenichi Shiiba, Hiromitsu Kishi | 2016-01-26 |
| 9238741 | Aqueous ink, ink cartridge, and ink jet recording method | Arihiro Saito, Yuki Nishino, Kuniaki Fujimoto, Satoshi Kudo | 2016-01-19 |
| 8857967 | Set of ink and reaction liquid, and image forming method | Arihiro Saito, Mikio Sanada | 2014-10-14 |
| 8783843 | Set of ink and reaction liquid, and image forming method | Yasuhito Mori | 2014-07-22 |
| 8741984 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Shin-ichi Hakamada, Takashi Imai, Masako Udagawa | 2014-06-03 |
| 8690307 | Ink jet ink, ink cartridge, and ink jet recording method | Kouichirou Okumura, Kenichi Shiiba, Daiji Okamura, Kousuke Yamasaki, Hiromitsu Kishi | 2014-04-08 |
| 8684509 | Ink jet ink, ink cartridge, and ink jet recording method | Kousuke Yamasaki, Hiromitsu Kishi, Daiji Okamura, Kouichirou Okumura, Kenichi Shiiba | 2014-04-01 |
| 8393726 | Set of reaction liquid and ink, and image forming method | Mikio Sanada, Yasuhito Mori, Junichi Sakai | 2013-03-12 |
| 8367750 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Shinichi Hakamada, Takashi Imai, Masako Udagawa | 2013-02-05 |
| 8324293 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Takashi Imai, Shinichi Hakamada, Masako Udagawa | 2012-12-04 |
| 8217097 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Masako Udagawa, Shinichi Hakamada, Takashi Imai | 2012-07-10 |
| 8163817 | Aqueous ink, ink set, image forming method and image forming apparatus | Yuuki Nishino, Hiroyuki Takuhara, Mikio Sanada, Daiji Okamura, Satoshi Kudo | 2012-04-24 |
| 8016932 | Aqueous ink, ink set, image forming method and image forming apparatus | Daiji Okamura, Hiroyuki Takuhara, Yuuki Nishino, Mikio Sanada, Satoshi Kudo | 2011-09-13 |
| 7988277 | Ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording method, and aqueous ink | Satoshi Kudo, Mikio Sanada, Hideki Yamakami | 2011-08-02 |
| 7976146 | Ink jet recording ink tank | Mikio Sanada, Satomi Yanagimachi, Kouhei Nakagawa, Yasuhito Mori | 2011-07-12 |
| 7947762 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Masako Udagawa, Shinichi Hakamada, Takashi Imai | 2011-05-24 |
| 7878643 | Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Satoshi Kudo | 2011-02-01 |
| 7862653 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Mikio Sanada | 2011-01-04 |
| 7699924 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Kumiko Mafune, Mikio Sanada, Tomonari Watanabe, Daiji Okamura, Satoshi Kudo +1 more | 2010-04-20 |