Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414024 | Martensitic heat-resistant steel | Masao Siga, Seishin Kirihara, Mitsuo Kuriyama, Shintaro Takahashi, Takehiko Yoshida | 1983-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414024 | Martensitic heat-resistant steel | Masao Siga, Seishin Kirihara, Mitsuo Kuriyama, Shintaro Takahashi, Takehiko Yoshida | 1983-11-08 |