Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432289 | Oxygen concentration detector | Yasuhiro Uchida, Masahiro Hamaya, Minoru Ota | 2002-08-13 |
| 6415647 | Compact structure of gas sensor and production method thereof | Hirokazu Yamada, Hiroaki Takaba, Isao Watanabe | 2002-07-09 |