Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641841 | Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method | Akhiro Sakamoto | 2014-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641841 | Continuous heat treatment furnace and utilizing the same, metal tube and heat treatment method | Akhiro Sakamoto | 2014-02-04 |