Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137082 | Angle type check valve | Hideo OKUNO, Takeshi Takahashi, Nobuya Uda, Takanori Hashihira | 2021-10-05 |
| 11137083 | Angle type check valve | Hideo OKUNO, Takeshi Takahashi, Nobuya Uda, Takanori Hashihira | 2021-10-05 |