Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7436038 | Visible/near infrared image sensor array | Michael Engelmann, Calvin Yi-Ping Chao, Tzu-Chiang Hsieh, Peter Martin | 2008-10-14 |
| 7411233 | Photoconductor-on-active-pixel (POAP) sensor utilizing a multi-layered radiation absorbing structure | Calvin Yi-Ping Chao, Tzu-Chiang Hsieh, Michael Engelmann | 2008-08-12 |
| 6798033 | Photoconductor-on-active-pixel (POAP) sensor utilizing a multi-layered radiation absorbing structure | Calvin Yi-Ping Chao, Tzu-Chiang Hsieh, Michael Engelmann | 2004-09-28 |
| 6791130 | Photoconductor-on-active-pixel (POAP) sensor utilizing a multi-layered radiation absorbing structure | Calvin Yi-Ping Chao, Tzu-Chiang Hsieh, Michael Engelmann | 2004-09-14 |