Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787014 | Gas-detecting element and gas-detecting device comprising same | Masaharu Hasei, Yongtie Yan, Takashi Ono | 2004-09-07 |
| 6773565 | NOx sensor | Takashi Ono, Masaharu Hasei | 2004-08-10 |
| 6771204 | Radio wave absorber | Toshikatsu Hayashi | 2004-08-03 |
| 6673223 | Gas sensing and oxygen pumping device, and apparatus using the same | Yongtie Yan, Takashi Ono | 2004-01-06 |