Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235232 | Gas sensor, method of manufacturing gas sensor, and fuel cell vehicle | Satoru Ito, Koichi Kawashima, Koji Katayama, Shinichi Yoneda | 2025-02-25 |
| 12158459 | Hydrogen sensor, hydrogen detection method, and hydrogen detection device | Koji Katayama, Ken Kawai | 2024-12-03 |
| 12007348 | Method for driving gas sensor, and gas detection device | Koji Katayama, Shunsaku Muraoka, Ken Kawai | 2024-06-11 |
| 11933752 | Gas sensor and fuel cell vehicle | Satoru Fujii, Zhiqiang Wei, Shinichi Yoneda, Yasuhisa Naito, Hisashi Shima +1 more | 2024-03-19 |
| 11541737 | Gas detection device, gas detection system, fuel cell vehicle, and gas detection method | Shunsaku Muraoka, Koji Katayama, Zhiqiang Wei | 2023-01-03 |
| 10900926 | Gas sensor, gas detection apparatus, fuel cell powered vehicle, and manufacturing method of gas sensor | Koji Katayama, Zhiqiang Wei, Shunsaku Muraoka | 2021-01-26 |
| 10794848 | Gas sensor including first electrode, second electrode, metal oxide layer, and insulating film, and fuel-cell vehicle including the gas sensor | Zhiqiang Wei | 2020-10-06 |
| 10656114 | Gas sensor device including gas sensors and switches, gas sensor module, and gas detection method | Zhiqiang Wei, Koji Katayama, Satoru Fujii | 2020-05-19 |
| 10591432 | Hydrogen detection method using gas sensor having a metal oxide layer | Zhiqiang Wei, Satoru Fujii | 2020-03-17 |
| 10408779 | Gas sensor including metal oxide layer and hydrogen detection method using gas sensor | Zhiqiang Wei, Satoru Fujii | 2019-09-10 |
| 10365259 | Hydrogen sensor including pair of electrodes and metal oxide layer and method of detecting hydrogen with hydrogen sensor | Zhiqiang Wei | 2019-07-30 |
| 10309916 | Gas-detecting apparatus including gas sensor and method of detecting hydrogen using gas sensor | Shunsaku Muraoka, Satoru Fujii, Zhiqiang Wei | 2019-06-04 |
| 10281420 | Gas-detecting apparatus including gas sensor and method of detecting hydrogen using gas sensor | Shunsaku Muraoka, Zhiqiang Wei, Koji Katayama | 2019-05-07 |
| 10156536 | Gas sensor including detection cells, and method for determining hydrogen concentration | Satoru Fujii, Zhiqiang Wei | 2018-12-18 |