Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605546 | Heat exchanger | Takeshi Yajima | 2020-03-31 |
| 10371466 | Method of preserving heat exchange surface and method of cooling moist air | Mitsuo Seki, Sho Matsushita | 2019-08-06 |