Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091821 | Copper-based alloy | Minoru Kawasaki, Natsuki Sugiyama, Hisao Fukuhara, Hajime Kato, Kouji Tanaka +1 more | 2021-08-17 |
| 10961607 | Hardfacing alloy and hardfacing member | Hajime Kato, Kouji Tanaka, Takashi Saito, Natsuki Sugiyama, Minoru Kawasaki +4 more | 2021-03-30 |