Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066718 | Method of manufacturing stainless pipe for oil wells and stainless steel pipe for oil wells | Hiroki Kamitani | 2021-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066718 | Method of manufacturing stainless pipe for oil wells and stainless steel pipe for oil wells | Hiroki Kamitani | 2021-07-20 |