Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965099 | Dioxazine pigment and colorant | Shogo Yamada, Hiromasa Kikuchi | 2024-04-23 |
| 9714357 | Phthalocyanine pigment composition and method for producing the same, and ink | Nagatoshi Kobayashi, Taichi Hashiguchi | 2017-07-25 |