Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605123 | Thermal energy recovery device and operating method of the same | Noboru Tsuboi, Masayoshi Matsumura, Shigeto Adachi, Shirohiko Okamoto | 2020-03-31 |
| 10571152 | Reverse combustion type combustion apparatus | Hironao Matsunaga | 2020-02-25 |