Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104063 | Solid solution of quinacridone and ink composition containing same | Kentarou Matsumura, Hidehiro Ootake | 2024-10-01 |
| 11879064 | Condensed polycyclic organic pigment composition containing polyvalent metal inorganic salt | Shogo Yamada, Hiromasa Kikuchi, Hidehiro Ootake | 2024-01-23 |
| 10526491 | Quinacridone pigment composition for coloring resins | Shingo Saitou, Hideki Okabe | 2020-01-07 |
| 10040942 | Process for producing quinacridone pigment composition | Shingo Saitou, Hideki Okabe | 2018-08-07 |