Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724416 | Exhaust heat recovery device | Hirohisa Okami, Hiromi Ishikawa | 2020-07-28 |
| 10697403 | Exhaust heat recovery device | Hiromi Ishikawa | 2020-06-30 |
| 10662852 | Exhaust heat recovery device | Hiromi Ishikawa, Yoshiki Tsuji | 2020-05-26 |
| 10605207 | Exhaust heat recovery device | Kunikazu Shirai, Hirohisa Okami | 2020-03-31 |