Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142678 | Downhole tool | Hikaru Saijo | 2021-10-12 |
| 11059952 | Rubber composition for downhole tools and member for downhole tools | Takuma Kobayashi, Hikaru Saijo | 2021-07-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142678 | Downhole tool | Hikaru Saijo | 2021-10-12 |
| 11059952 | Rubber composition for downhole tools and member for downhole tools | Takuma Kobayashi, Hikaru Saijo | 2021-07-13 |