Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815182 | Mechanical seal | — | 2023-11-14 |
| 11815183 | Mechanical seal | Yoshiaki Takigahira | 2023-11-14 |
| 11802623 | Mechanical seal | Yoshiaki Takigahira | 2023-10-31 |
| 11565502 | Bonding method | Tatsuo Naito | 2023-01-31 |