Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987445 | Lid opening-and-closing device | Akifumi Sakamoto, Ryota Yamazaki | 2024-05-21 |
| 11961752 | Lid opening-and-closing device | Akifumi Sakamoto, Ryota Yamazaki | 2024-04-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987445 | Lid opening-and-closing device | Akifumi Sakamoto, Ryota Yamazaki | 2024-05-21 |
| 11961752 | Lid opening-and-closing device | Akifumi Sakamoto, Ryota Yamazaki | 2024-04-16 |