Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11860065 | Method for leak testing and reference leak device for leak testing | Mao HIRATA, Tsutomu Hara, Naoto Izumo | 2024-01-02 |
| 11248984 | Method for leak testing and reference leak device for leak testing | Mao HIRATA, Tsutomu Hara, Naoto Izumo | 2022-02-15 |