Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767446 | Float valve sub | Yuichi Shimmoto, Keita Akiyama, Masaki Kawahara, Tomoaki Suzuki | 2020-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767446 | Float valve sub | Yuichi Shimmoto, Keita Akiyama, Masaki Kawahara, Tomoaki Suzuki | 2020-09-08 |