Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11393321 | Photoelectrically-charging gas detector | Yiqing HANG, Peter Hsi | 2022-07-19 |
| 7258773 | Solid polymer electrolyte oxygen sensor | Huafang Zhou, Peter Hsi | 2007-08-21 |
| 6967485 | Automatic drive adjustment of ultraviolet lamps in photo-ionization detectors | Wenpeng Hsueh, Weili Yeh, Peter Hsi | 2005-11-22 |
| 6734435 | Photo-ionization detector and method for continuous operation and real-time self-cleaning | Peter Hsi | 2004-05-11 |
| 6469303 | Non-dispersive infrared gas sensor | Peter Hsi | 2002-10-22 |
| 6320388 | Multiple channel photo-ionization detector for simultaneous and selective measurement of volatile organic compound | Peter Hsi | 2001-11-20 |
| 6313638 | Dual-channel photo-ionization detector that eliminates the effect of ultraviolet intensity on concentration measurements | Peter Hsi | 2001-11-06 |
| 6225633 | Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same | Peter Hsi | 2001-05-01 |