Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139615 | Method for producing halogenated zinc phthalocyanine pigment | Keisuke Sakamoto, Kentaro Oishi, Mayumi Tokuoka, Katsunori Shimada | 2024-11-12 |
| 11976199 | Halogenated zinc phthalocyanine pigment for color filter and method for producing halogenated zinc phthalocyanine pigment for color filter | Keisuke Sakamoto, Kentaro Oishi, Mayumi Tokuoka, Katsunori Shimada, Keisuke Fujisawa | 2024-05-07 |
| 8420860 | Compound and color filter | Hitoshi Kondou, Shougo Yamada, Katsunori Shimada | 2013-04-16 |
| 8404894 | Compound and color filter | Hitoshi Kondou, Shougo Yamada, Katsunori Shimada | 2013-03-26 |