Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11758054 | Multiple dwelling house interphone system | Masashi Hattori, Kimiaki Fujishima, Ryoji Uno | 2023-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11758054 | Multiple dwelling house interphone system | Masashi Hattori, Kimiaki Fujishima, Ryoji Uno | 2023-09-12 |