Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711148 | Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge | Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Yoshiaki Nagata | 2020-07-14 |
| 10703910 | Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge | Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Takuma Amemiya, Yoshiaki Nagata | 2020-07-07 |
| 10689535 | Coloring composition, ink jet recording ink, ink jet recording method, and ink jet printer cartridge | Keiichi Tateishi, Takashi Saitou, Yusuke Sakai, Yoshiaki Nagata | 2020-06-23 |