Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402023 | Mechanical seal | Yasuhiro Ikeda, Masamitsu Sanada, Masatoshi Itadani | 2022-08-02 |
| 11221074 | Mechanical seal | Hikaru Katori, Masatoshi Itadani, Takeshi Hosoe, Yasuhiro Ikeda, Tomoko Yamaki | 2022-01-11 |