Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10074642 | Crowbar device for voltage transient circuit protection | Ader Shen, Ting-Fung Chang | 2018-09-11 |
| 8557640 | Low voltage PNPN protection device | Richard Rodrigues, Johnny C. Chen | 2013-10-15 |
| 8384126 | Low voltage PNPN protection device | Richard Rodrigues, Johnny C. Chen | 2013-02-26 |