Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000232 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2024-06-04 |
| 11280153 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2022-03-22 |
| 11066895 | Plug, retaining member, and method for well completion using plug | Seishiro Kobayashi | 2021-07-20 |