Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739844 | Mechanical seal | Hikaru Katori, Keiichi Chiba, Masatoshi Itadani, Tadahiro Kimura | 2023-08-29 |
| 11549589 | Mechanical seal | Tadahiro Kimura, Masatoshi Itadani | 2023-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739844 | Mechanical seal | Hikaru Katori, Keiichi Chiba, Masatoshi Itadani, Tadahiro Kimura | 2023-08-29 |
| 11549589 | Mechanical seal | Tadahiro Kimura, Masatoshi Itadani | 2023-01-10 |