Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031434 | Plug for manufacturing seamless steel pipe | Akira Takase, Takashi Tamura, Yutaka Mihara, Tomoyuki Hirakawa, Takeshi Kuwano | 1991-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031434 | Plug for manufacturing seamless steel pipe | Akira Takase, Takashi Tamura, Yutaka Mihara, Tomoyuki Hirakawa, Takeshi Kuwano | 1991-07-16 |