Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434496 | Method and apparatus for measuring light absorption spectra | Jie Dong | 2002-08-13 |
| 6375911 | Method and device for treating exhaust gas | Tadahiro Ohmi, Yoshio Ishihara, Tetsuya Kimijima | 2002-04-23 |