Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222367 | Combustion state detecting device for an internal combustion engine | Takeshi Shimizu, Koichi Okamura, Yutaka Ohashi | 2001-04-24 |
| 6216530 | Combustion state detecting device for an internal combustion engine | Takeshi Shimizu, Koichi Okamura, Yutaka Ohashi | 2001-04-17 |
| 6205844 | Combustion state detecting device for an internal combustion engine | Shingo Morita, Koichi Okamura, Yutaka Ohashi | 2001-03-27 |
| 6202474 | Ion current detector | Yasuhiro Takahashi, Koichi Okamura, Yutaka Ohashi | 2001-03-20 |
| 6196054 | Combustion state detecting device for an internal combustion engine | Koichi Okamura, Yutaka Ohashi | 2001-03-06 |