Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8783085 | Method for straightening tube and straightening roll | Kouichi Kuroda, Tomio Yamakawa | 2014-07-22 |
| 8016642 | Blasting device for steel pipe inner surface, blasting method for steel pipe inner surface, and method for producing steel pipe with excellent inner surface texture | Akihiro Sakamoto | 2011-09-13 |