Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701839 | Compound, coloring composition, ink jet recording ink, ink jet recording method, ink jet printer cartridge, ink jet recording material, color filter, color toner, and transfer ink | Yusuke Sakai, Keiichi Tateishi, Hiromi Kobayashi | 2017-07-11 |
| 9670364 | Compound having xanthene skeleton, colorant composition, ink for inkjet recording, inkjet recording method, inkjet printer cartridge, and inkjet recording material | Keiichi Tateishi | 2017-06-06 |