Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695964 | Method and apparatus for measuring NOx gas concentration | Masashi Ando, Noboru Ishida, Satoshi Sugaya, Takafumi Oshima, Norihiko Nadanami +2 more | 2004-02-24 |
| 6214208 | Method and apparatus for measuring NOx gas concentration | Masashi Ando, Noboru Ishida, Satoshi Sugaya, Takafumi Oshima, Norihiko Nadanami +2 more | 2001-04-10 |