Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830749 | Method and apparatus for multiple viscosity and freeze point measurements on the same aliquot and the determination of temperature at any specified viscosity above the freeze point | Shinya Matsueda, Vivian Hoi Nga Yuen, Gordon Chiu, Charles Tsang | 2020-11-10 |
| 9354167 | Method and apparatus for measuring appearance and disappearance temperatures of wax for transparent, translucent and opaque oils | Vivian Hoi Nga Yuen, Gordon Chiu | 2016-05-31 |