Issued Patents All Time
Showing 1–17 of 17 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 |
| 12097571 | Double-side friction stir welding method and double-side friction stir welding device for metal sheets or metal plates | Rinsei Ikeda | 2024-09-24 |
| 11992892 | Resistance spot welding method and method for producing resistance spot welded joint | Reiko ENDO, Koichi Taniguchi, Hiroshi Matsuda, Rinsei Ikeda | 2024-05-28 |
| 11446757 | Double-sided friction stir welding method for metal sheets and double-sided friction stir welding device | Rinsei Ikeda | 2022-09-20 |
| 11241755 | Friction stir welding method and apparatus for structural steel | Rinsei Ikeda, Koichi Taniguchi | 2022-02-08 |
| 10766099 | Friction stir welding apparatus for structural steel | Koichi Taniguchi, Rinsei Ikeda | 2020-09-08 |
| 10207353 | Indirect spot welding method | Rinsei Ikeda | 2019-02-19 |
| 10207354 | Indirect spot welding apparatus | Rinsei Ikeda | 2019-02-19 |
| 10189111 | Indirect spot welding method | Rinsei Ikeda, Akihide Yoshitake | 2019-01-29 |
| 10005151 | Friction stir welding method for steel sheets and method of manufacturing joint | Koichi Taniguchi, Rinsei Ikeda | 2018-06-26 |
| 9833861 | Friction stir welding method for steel sheets and method of manufacturing joint | Koichi Taniguchi, Rinsei Ikeda | 2017-12-05 |
| 9821407 | Friction stir welding method for structural steel and method of manufacturing joint for structural steel | Koichi Taniguchi, Rinsei Ikeda | 2017-11-21 |
| 9089924 | Indirect spot welding method | Rinsei Ikeda | 2015-07-28 |