Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213886 | Socket installation structure of refractory article | Hirotaka Itou, Yuuji Igawa, Hitoshi Nakamura | 2022-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11213886 | Socket installation structure of refractory article | Hirotaka Itou, Yuuji Igawa, Hitoshi Nakamura | 2022-01-04 |