Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337408 | Electrical steel strip friction stir welding method and method of producing electrical steel strip | Muneo Matsushita, Kai Tomita | 2025-06-24 |
| 12186828 | Double-sided friction stir welding method, methods for producing cold-rolled steel strip and coated steel strip, double-sided friction stir welding apparatus, and facilities for producing cold-rolled steel strip and coated steel strip | Muneo Matsushita, Yasushi Kitani | 2025-01-07 |