Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044940 | Light control sheet and method of producing light control sheet | Keisuke Fukuhara | 2024-07-23 |
| 6250826 | Ink ribbon, cartridge containing ink ribbon, and method of discriminating failure location from ink ribbon base film | — | 2001-06-26 |