Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10249890 | Method for cold-start of fuel cell stack | Richard Fellows, Yosuke Fukuyama, Shiomi Takeshi | 2019-04-02 |
| 10170781 | Shutdown and storage method for fuel cell system at below freezing temperatures | Yosuke Fukuyama, Richard Fellows, Takeshi Shiomi | 2019-01-01 |