Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567391 | Heat and moisture exchanger, heat and moisture exchanging device, and mask | Akito Ohmura, Tetsuya Miyaji, Katsuyoshi Goto | 2013-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567391 | Heat and moisture exchanger, heat and moisture exchanging device, and mask | Akito Ohmura, Tetsuya Miyaji, Katsuyoshi Goto | 2013-10-29 |