Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850335 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka, Tomoyuki Shimada +4 more | 2017-12-26 |
| 9850391 | Ink, ink stored container, inkjet printing method, and inkjet printing device | Shigeyuki Harada, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai, Yuusuke Koizuka +3 more | 2017-12-26 |
| 9777091 | Copolymer, ink, and ink container | Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka +4 more | 2017-10-03 |
| 9617439 | Ink composition, ink cartridge, ink recording device, and recorded matter | Akihiko Matsuyama, Shigeyuki Harada, Keita Katoh, Mitsuru Naruse, Kazukiyo Nagai +2 more | 2017-04-11 |