Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696580 | Method of and apparatus for measuring absorbance, component concentration or specific gravity of liquid sample | Hiroko Kubo, Xu Kexin | 1997-12-09 |
| 5617205 | Spectral measuring method and spectral measuring apparatus | Xiaoming Dou, Yoshinori Yamaguchi, Yung Xiang Wang | 1997-04-01 |
| 5602647 | Apparatus and method for optically measuring concentrations of components | Kexin Xu, Yutaka Yamasaki, Takeshi Sakura | 1997-02-11 |