Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418785 | Misfire detecting apparatus for internal combustion engine | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa, Yutaka Ohashi | 2002-07-16 |
| 6378494 | Knock detection apparatus | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa | 2002-04-30 |
| 6336355 | Combustion condition detecting apparatus for an internal combustion engine | Shu Sasaki, Koichi Okamura, Yasuyoshi Hatazawa, Mitsuru Koiwa | 2002-01-08 |
| 6334353 | Knock detection apparatus for an internal combustion engine | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa, Yutaka Ohashi | 2002-01-01 |