Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421565 | Low thermal expansion cast steel and method of production of same | Naoki Sakaguchi, Kotaro ONA | 2025-09-23 |
| 12421584 | Low thermal expansion cast steel and method of producing same | Naoki Sakaguchi, Kotaro ONA | 2025-09-23 |
| 11530466 | Low thermal expansion alloy | Naoki Sakaguchi | 2022-12-20 |
| 11371123 | Low thermal expansion alloy | Kotaro ONA, Naoki Sakaguchi | 2022-06-28 |