Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104063 | Solid solution of quinacridone and ink composition containing same | Kentarou Matsumura, Yukiko Higuchi | 2024-10-01 |
| 11879064 | Condensed polycyclic organic pigment composition containing polyvalent metal inorganic salt | Shogo Yamada, Hiromasa Kikuchi, Yukiko Higuchi | 2024-01-23 |