Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739844 | Mechanical seal | Hikaru Katori, Masatoshi Itadani, Tadahiro Kimura, Akira Yoshino | 2023-08-29 |
| 11543033 | Mechanical seal | Masatoshi Itadani, Yuki Sasaki, Kenji Kiryu, Tetsuzo OKADA | 2023-01-03 |