Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10334114 | Collective housing/building entrance device and entryphone system having that collective housing/building entrance device | Seiya Yamakawa | 2019-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10334114 | Collective housing/building entrance device and entryphone system having that collective housing/building entrance device | Seiya Yamakawa | 2019-06-25 |