Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807907 | Printing system for carrying out energy conservation operation | — | 2004-10-26 |
| 6792678 | Method of manufacturing a gas sensor | Masato Ozawa | 2004-09-21 |
| 6688157 | Gas sensor having pre-stressed terminal for contact with inserted sensor element | Hiroshi Sugino, Masato Ozawa, Syuichi Nakano | 2004-02-10 |