Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529819 | Recording material and compound | Hiroshi Sakai, Kayoko Tada | 2022-12-20 |
| 11370240 | Recording material and recording sheet | Kayoko Tada, Hiroshi Sakai, Kazumi Hamakawa | 2022-06-28 |