Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409330 | Airtight device and feedthrough module | Hsien-Chieh Hsieh | 2025-09-09 |
| 12392180 | Reciprocating engaging mechanism and related airtight device for preventing gaseous matter from leakage | — | 2025-08-19 |