Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10022981 | Ink, ink cartridge, and ink jet recording method | Yoshihisa Yamashita, Yuko Negishi | 2018-07-17 |
| 9789698 | Aqueous ink set, ink jet recording method and ink jet recording apparatus | Soichi Nagai, Masashi Ogasawara | 2017-10-17 |
| 9315683 | Ink, ink cartridge, and ink jet recording method | Souichi Nagai, Masashi Ogasawara, Keigo Gouda, Akiko Yasuda | 2016-04-19 |
| 8985755 | Ink, ink cartridge, and ink jet recording method | Masashi Ogasawara, Keigo Gouda, Souichi Nagai, Akiko Yasuda | 2015-03-24 |
| 8926078 | Ink, ink cartridge, ink-jet recording method, and ink set | Hiromitsu Kishi, Hirofumi Ichinose, Rie Takekoshi, Takumi Kaneko, Yumi Kamimura +2 more | 2015-01-06 |
| 8900359 | Ink, ink cartridge, ink-jet recording method, and method for preparing ink | Hiromitsu Kishi | 2014-12-02 |
| 8491715 | Ink, ink cartridge and ink jet recording method | Keigo Gouda, Masashi Ogasawara, Tomonari Watanabe, Souichi Nagai, Akiko Yasuda | 2013-07-23 |
| 8474964 | Ink, ink-jet recording method, and ink cartridge | Takashi Saito, Hiromitsu Kishi | 2013-07-02 |
| 8475580 | Ink, ink cartridge, ink jet recording method and ink jet recording apparatus | Souichi Nagai, Masashi Ogasawara, Keigo Gouda, Akiko Yasuda | 2013-07-02 |
| 8469504 | Ink set, ink jet recording method and ink jet recording apparatus | Takashi Saito, Katsuhiro Shirota, Hirofumi Ichinose, Hiromitsu Kishi, Masashi Tsujimura +3 more | 2013-06-25 |
| 8430496 | Ink, ink cartridge, and ink jet recording method | Nobuyuki Matsumoto | 2013-04-30 |
| 7909448 | Recording head, recording unit, ink jet recording apparatus, ink jet recording method, and ink set | Tetsu Iwata, Shinichi Hakamada, Takashi Imai | 2011-03-22 |
| 7883199 | Ink set, ink cartridge set, ink jet recording method, recording unit, and ink jet recording apparatus | Shinichi Hakamada, Tetsu Iwata, Takashi Imai | 2011-02-08 |
| 7806970 | Ink jet ink, method of producing ink jet ink, ink jet recording method, ink cartridge, and cyan ink | Shinichi Hakamada | 2010-10-05 |
| 7601210 | Ink jet ink, method of producing ink jet ink, ink jet recording method, ink cartridge, and cyan ink | Shinichi Hakamada | 2009-10-13 |
| 7377631 | Aqueous ink, set of reaction liquid and aqueous ink, and image forming method | Yoichi Takada, Junichi Sakai, Yasuhiro Nito, Masashi Tsujimura, Takashi Imai +3 more | 2008-05-27 |
| 7297203 | Ink, ink set, ink jet recording method, ink cartridge and ink jet recording apparatus | Yoichi Takada, Nobuyuki Matsumoto, Itaru Tsuji, Yuko Takada, Shinichi Hakamada +2 more | 2007-11-20 |