Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221660 | Method for producing rail | Mineyasu Takemasa | 2025-02-11 |
| 12186822 | Method for manufacturing rail, and rail | Naoki IIZUKA, Ryo Matsuoka, Shigeo Okamoto | 2025-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221660 | Method for producing rail | Mineyasu Takemasa | 2025-02-11 |
| 12186822 | Method for manufacturing rail, and rail | Naoki IIZUKA, Ryo Matsuoka, Shigeo Okamoto | 2025-01-07 |