Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8508327 | PTC material composition for making a PTC circuit protection device | Jack Jih-Sang Chen, Chang-Hung Jiang | 2013-08-13 |
| 8458894 | Method for making a positive temperature coefficient device | Jack Jih-Sang Chen | 2013-06-11 |
| 8368504 | Positive temperature coefficient circuit protection device | Jack Jih-Sang Chen | 2013-02-05 |
| 8123984 | Positive temperature coefficient polymer composition and material made therefrom | Jack Jih-Sang Chen | 2012-02-28 |
| 7544311 | Positive temperature coefficient polymer composition and circuit protection device made therefrom | Jack Jih-Sang Chen | 2009-06-09 |
| 6576492 | Process for making surface mountable electrical devices | Jack Jih-Sang Chen, Chung-Ta Tseng | 2003-06-10 |
| 6480094 | Surface mountable electrical device | Jack Jih-Sang Chen, Chun-Ta Tseng | 2002-11-12 |