Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268876 | Apparatus for valve-seat inspection and pressure-resistance inspection for valves, and valve | Naoki Kira | 2022-03-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268876 | Apparatus for valve-seat inspection and pressure-resistance inspection for valves, and valve | Naoki Kira | 2022-03-08 |