Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12294671 | Multiple dwelling house interphone system | Yuta Shimomura, Masashi Hattori, Ryoji Uno | 2025-05-06 |
| 12219085 | Multiple dwelling house interphone system | Hirokazu Harima, Hiroki Koto, Ryoji Uno | 2025-02-04 |
| 12219096 | Multiple dwelling house interphone system | Yuta Shimomura, Masashi Hattori, Ryoji Uno | 2025-02-04 |
| 12113927 | Multiple dwelling house interphone system | Yuta Shimomura, Masashi Hattori, Ryoji Uno | 2024-10-08 |
| 12052384 | Multiple dwelling house interphone system | Yuta Shimomura, Masashi Hattori, Ryoji Uno | 2024-07-30 |
| 11758054 | Multiple dwelling house interphone system | Yuta Shimomura, Masashi Hattori, Ryoji Uno | 2023-09-12 |