Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149882 | Threaded connection | Michihiko Iwamoto | 2021-10-19 |
| 11067205 | Threaded connection for steel pipe | Michihiko Iwamoto, Yusuke Takeda, Yasuhiro Kochi, Yusuke Toyota | 2021-07-20 |
| 11015746 | Threaded connection | Yousuke Oku | 2021-05-25 |