Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234556 | Cold rolled steel sheet for zirconium-based chemical conversion treatment, method for producing same, zirconium-based chemical conversion-treated steel sheet, and method for producing same | Takeshi Matsuda | 2025-02-25 |
| 12116648 | Cold-rolled steel sheet and method for manufacturing the same, and cold-rolled steel sheet for annealing | Hiroyuki Masuoka, Shinichi Furuya, Akira Matsuzaki | 2024-10-15 |