Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471840 | Composite sensor | Yunzhi Gao, Masaharu Hasei | 2002-10-29 |
| 6413397 | Nitrogen oxide gas sensor | Masaharu Hasei, Yongtie Yan | 2002-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471840 | Composite sensor | Yunzhi Gao, Masaharu Hasei | 2002-10-29 |
| 6413397 | Nitrogen oxide gas sensor | Masaharu Hasei, Yongtie Yan | 2002-07-02 |