Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410492 | Resistance spot weld, resistance spot welding method, resistance spot welded joint, and method for manufacturing resistance spot welded joint | Reiko ENDO, Hiroshi Matsuda | 2025-09-09 |
| 12337408 | Electrical steel strip friction stir welding method and method of producing electrical steel strip | Shohei Iwata, Kai Tomita | 2025-06-24 |
| 12208462 | Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process | Hiroshi Matsuda, Yasuaki Okita, Rinsei Ikeda, Kenji Oi | 2025-01-28 |
| 12194562 | Rotating tool for double-sided friction stir welding, double-sided friction stir welding apparatus, and double-sided friction stir welding method | Rinsei Ikeda, Hiroshi Matsuda, Daiki YAMAGISHI | 2025-01-14 |
| 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 | Shohei Iwata, Yasushi Kitani | 2025-01-07 |