Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850335 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka +4 more | 2017-12-26 |
| 9850391 | Ink, ink stored container, inkjet printing method, and inkjet printing device | Masayuki Fukuoka, Shigeyuki Harada, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai +3 more | 2017-12-26 |
| 9777091 | Copolymer, ink, and ink container | Masayuki Fukuoka, Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai +4 more | 2017-10-03 |