Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486650 | Total heat exchange element, method of manufacturing total heat exchange element, and total heat exchanger | Hajime Sotokawa | 2022-11-01 |
KK
Keiji Kameishi
Overall (2022): #376,306 of 548,613Top 70%
1
Patents 2022