Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391781 | Black particles, black coating material, coating film, and black matrix for color filters | Masahiro Ishii, Ren-de Sun | 2025-08-19 |
| 12221349 | Exfoliated graphite and manufacturing method therefor | Akira Nakasuga, Masahiro Toyoda | 2025-02-11 |