Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691920 | High alumina fused cast refractory and method of producing same | Koya Abe, Hiroshi Sugiyama, Shinji Tsuchiya, Yasuo Misu | 2023-07-04 |
| 9896383 | High zirconia electrically fused cast refractory | Hiroshi Sugiyama, Toshimitsu Kuboki, Yasuo Misu | 2018-02-20 |
| 9751806 | High zirconia electrically fused cast refractory | Hiroshi Sugiyama, Toshimitsu Kuboki, Yasuo Misu | 2017-09-05 |
| 9475735 | High zirconia fused cast refractory | Toshimitsu Kuboki, Hiroshi Sugiyama, Yasuo Misu | 2016-10-25 |