Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724416 | Exhaust heat recovery device | Hiromi Ishikawa, Naohiro Takemoto | 2020-07-28 |
| 10605207 | Exhaust heat recovery device | Kunikazu Shirai, Naohiro Takemoto | 2020-03-31 |
| 10533479 | Valve apparatus, and exhaust heat recovery device | Hiromi Ishikawa | 2020-01-14 |