Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287501 | Light-absorbing composition, light-absorbing film, and optical filter | Yuichiro KUBO, Katsuhide Shimmo, Lei Cai | 2025-04-29 |
| 12287503 | Light-absorbing composition and optical filter | Yuichiro KUBO, Katsuhide Shimmo, Lei Cai, Yoshihiro TAKAYANAGI | 2025-04-29 |
| 12129402 | Liquid composition for optical filters and optical filter | Yuichiro KUBO, Lei Cai, Katsuhide Shimmo | 2024-10-29 |