Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467466 | Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same | Masahiro Maekawa, Takahiro Aki, Hiroki Matsuoka | 2002-10-22 |
| 6349540 | Catalyst deterioration determining apparatus for internal combustion engine, and control method for the apparatus | Shigeki Nakayama, Hiroki Matsuoka, Hiroshi Suwahara | 2002-02-26 |