Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418782 | Gas concentration sensor | Noboru Ishida, Hideki Ishikawa, Takafumi Oshima, Yasushi Sato | 2002-07-16 |
| 6375828 | Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor | Masashi Ando, Noboru Ishida, Satoshi Sugaya, Takafumi Oshima, Norihiko Nadanami +3 more | 2002-04-23 |