Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254985 | Oxygen sensor and a manufacturing method of the sensor device | Hiroshi Isomura, Takayoshi Atsumi, Koji Shiono | 2007-08-14 |
| 6672137 | Oxygen sensor and manufacturing method of sensor element | Hiroshi Isomura, Takayoshi Atsumi, Koji Shiono | 2004-01-06 |