Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923587 | Terminal fixing structure for a ceramic base | Hiromichi Hayashi | 1990-05-08 |
| 4883643 | Oxygen sensor protected against contaminants | Toshio Okumura | 1989-11-28 |
| 4741816 | Oxygen sensor | Toshio Okumura | 1988-05-03 |
| 4672933 | Precombustion chamber with insulating means | Masato Taniguchi, Mitsuyoshi Kawamura, Toshio Okumura | 1987-06-16 |
| 4668477 | Gas sensor | Kazuo Taguchi, Toshio Okumura, Akio Ebizawa | 1987-05-26 |
| 4507192 | Oxygen sensor for exhaust gas of internal combustion engine | Akio Ebizawa | 1985-03-26 |
| 4405429 | Oxygen detector | — | 1983-09-20 |