Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253074 | Electromagnetic air pump | Kuan-Chih Chen | 2025-03-18 |
| 11034144 | Ink box proofed against air blockages | — | 2021-06-15 |
| 10302179 | Switching apparatus for a driving system | Ping-Yi CHEN | 2019-05-28 |
| 10195869 | Breaking switch for ink feeding channel and printing device using the same | — | 2019-02-05 |