Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9921010 | Partitioning member for total heat exchange element, total heat exchange element and total heat exchange ventilator using the partitioning member for total heat exchange element | Yousuke Hamada | 2018-03-20 |
| 9879869 | Partition member for total heat exchange element, total heat exchange element using this member, and total heat exchange type ventilation device | Yousuke Hamada, Keita Takahashi | 2018-01-30 |