Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085543 | Butterfly valve including a valve body, shaft, groove portion and seal ring | Noriyuki Inagaki | 2021-08-10 |
| 10598287 | Composite seal ring | Noriyuki Inagaki, Shuya Mikami | 2020-03-24 |