Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787014 | Gas-detecting element and gas-detecting device comprising same | Masaharu Hasei, Akira Kunimoto, Takashi Ono | 2004-09-07 |
| 6673223 | Gas sensing and oxygen pumping device, and apparatus using the same | Akira Kunimoto, Takashi Ono | 2004-01-06 |