Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662872 | Process for cleaning harmful gas | Takashi Shimada, Toshiya Hatakeyama | 1997-09-02 |
| 5512262 | Process for cleaning harmful gas | Takashi Shimada, Toshiya Hatakeyama | 1996-04-30 |
| 4883643 | Oxygen sensor protected against contaminants | Hisaharu Nishio | 1989-11-28 |
| 4741816 | Oxygen sensor | Hisaharu Nishio | 1988-05-03 |
| 4672933 | Precombustion chamber with insulating means | Masato Taniguchi, Hisaharu Nishio, Mitsuyoshi Kawamura | 1987-06-16 |
| 4668477 | Gas sensor | Hisaharu Nishio, Kazuo Taguchi, Akio Ebizawa | 1987-05-26 |
| 4507191 | Oxygen sensor with heater | Akio Ebizawa, Kazuo Taguchi | 1985-03-26 |