Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883654 | Method for fabricating membrane electrode assembly | Hwei-Lang Chang, Hen-Rong Chang, Pi-Hsin Chung | 2011-02-08 |
| 7877851 | Apparatus for making tubular film transistors | Hwei-Liang Chang, Hen-Rong Chang, Pi-Hsin Cheng | 2011-02-01 |
| 7378172 | Tubular membrane electrode assembly with leading wire | Hwei-Lang Chang, Hen-Rong Chang, Pi-Hsin Chung | 2008-05-27 |