Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035869 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2018-07-31 |
| 10000656 | Ink, recorded matter, ink container, recording device, and recording method | Yoshiki Yanagawa, Akihiko Matsuyama, Kazukiyo Nagai, Shigeyuki Harada, Akiyoshi Sabu +3 more | 2018-06-19 |
| 9988543 | Ink, ink stored container, inkjet recording apparatus, and recorded matter | Akihiko Matsuyama, Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki +3 more | 2018-06-05 |
| 9896530 | Copolymer, coloring material dispersion, ink, and ink store container | Shigeyuki Harada, Kazukiyo Nagai, Yuusuke Koizuka, Takuya Yamazaki, Koichiro Oyama +3 more | 2018-02-20 |