Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904599 | Medical respirator mask | Kenji Kobayashi, Ichiro Matsubara | 2020-12-08 |
| D901672 | Medical respirator mask | Kenji Kobayashi, Ichiro Matsubara | 2020-11-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D904599 | Medical respirator mask | Kenji Kobayashi, Ichiro Matsubara | 2020-12-08 |
| D901672 | Medical respirator mask | Kenji Kobayashi, Ichiro Matsubara | 2020-11-10 |