Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000232 | Plug, retaining member, and method for well completion using plug | Teruaki YOSHII | 2024-06-04 |
| 11280153 | Plug, retaining member, and method for well completion using plug | Teruaki YOSHII | 2022-03-22 |
| 11066895 | Plug, retaining member, and method for well completion using plug | Teruaki YOSHII | 2021-07-20 |
| 5743644 | Temperature measuring apparatus | Akiyoshi Nabei, Shuichi Takashina, Takashi Fujishiro | 1998-04-28 |