Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252617 | Method for producing halogenated zinc phthalocyanine pigment | Keisuke Sakamoto, Ayaka Yamaji, Kazushi Suzuki, Mayumi Tokuoka | 2025-03-18 |
| 12221546 | Method for producing halogenated zinc phthalocyanine pigment | Keisuke Sakamoto, Ayaka Yamaji, Nozomi Shimizu, Mayumi Tokuoka | 2025-02-11 |