Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187436 | Sensor deterioration judging apparatus and sensor deterioration judging method | Seiji Oya, Tomohiro Wakazono, Koji Shiotani, Tomonori Kondo, Hiroshi Kubota +2 more | 2012-05-29 |
| 8097139 | Sensor element, gas sensor, and method of manufacturing the sensor element | Seiji Oya, Tomohiro Wakazono | 2012-01-17 |
| 8012325 | Plural-cell gas sensor with heater | Seiji Oya | 2011-09-06 |
| 8012324 | Sensor element, method of manufacturing a sensor element, and gas sensor | Seiji Oya, Tomohiro Wakazono | 2011-09-06 |
| 7972488 | Sensor deterioration judging apparatus and sensor deterioration judging method | Seiji Oya, Tomohiro Wakazono, Koji Shiotani, Tomonori Kondo, Hiroshi Kubota +2 more | 2011-07-05 |
| 5202154 | Method of producing thick-film gas sensor element having improved stability | Toshitaka Matsuura, Keizo Furusaki, Akio Takami | 1993-04-13 |
| 4857275 | Thick-film gas-sensitive element | Keizo Furusaki, Toshitaka Matsuura, Akio Takami, Teppei Okawa | 1989-08-15 |
| 4825683 | Apparatus for evaluating an oxygen sensor | Akio Takami, Ken Minoha, Toshifumi Sekiya, Toshitaka Matsuura, Akio Mizutani +1 more | 1989-05-02 |