Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421565 | Low thermal expansion cast steel and method of production of same | Haruyasu OHNO, Kotaro ONA | 2025-09-23 |
| 12421584 | Low thermal expansion cast steel and method of producing same | Haruyasu OHNO, Kotaro ONA | 2025-09-23 |