Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471744 | Recording material cartridge updating residual amount information indicating residual amount of recording material stored in main body | — | 2019-11-12 |
| 10470298 | Circuit board including dummy electrode formed on substrate | Shoko Ota, Ryuji Horata | 2019-11-05 |