Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923902 | Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor | Masashi Ando, Noboru Ishida, Takafumi Oshima, Norihiko Nadanami, Takaki Otsuka +3 more | 2005-08-02 |
| 6883371 | Humidity sensor | Tetsuo Yamada, Noboru Ishida | 2005-04-26 |