Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419818 | NOx concentration-measuring method | Nobuhide Kato, Satoshi Nishikawa | 2002-07-16 |
| 6355152 | Gas sensor and nitrogen oxide sensor | Nobuhide Kato | 2002-03-12 |
| 6344119 | Gas sensor | Nobuhide Kato | 2002-02-05 |