Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274969 | Method and system for terahertz radiation detection and characterization | Tsuneyuki Ozaki | 2022-03-15 |
| 8009277 | Sensor technique for black liquor oxidation control | Christopher L. Verrill | 2011-08-30 |
| 7390669 | Simultaneous and rapid determination of multiple component concentrations in a Kraft liquor process stream | Jian Li, Junyoung Zhu | 2008-06-24 |
| 7148490 | Method for determining the concentration of hydrogen peroxide in a process stream and a spectrophotometric system for the same | Jun Zhu | 2006-12-12 |
| 6940073 | Method for determining the concentration of hydrogen peroxide in a process stream and a spectrophotometric system for the same | Jun Zhu | 2005-09-06 |
| 6475339 | Method for rapidly determining a pulp kappa number using spectrophotometry | Jun Zhu | 2002-11-05 |