Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093169 | High-durability sleeve bricks | Masato Tanaka, Toshiyuki Hokii, Joki Yoshitomi | 2012-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093169 | High-durability sleeve bricks | Masato Tanaka, Toshiyuki Hokii, Joki Yoshitomi | 2012-01-10 |