Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252617 | Method for producing halogenated zinc phthalocyanine pigment | Keisuke Sakamoto, Kazushi Suzuki, Mayumi Tokuoka, Katsunori Shimada | 2025-03-18 |
| 12221546 | Method for producing halogenated zinc phthalocyanine pigment | Keisuke Sakamoto, Nozomi Shimizu, Mayumi Tokuoka, Katsunori Shimada | 2025-02-11 |
| 12209185 | Color material compound | Yusuke Ozaki, Takako Tanaka, Daisuke Kuraoka, Noriaki Neki, Hiroshi Nagaike | 2025-01-28 |