Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12208462 | Steel sheet assembly, method of manufacturing steel sheet assembly, and spot welding process | Hiroshi Matsuda, Yasuaki Okita, Muneo Matsushita, 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 | Muneo Matsushita, Hiroshi Matsuda, Daiki YAMAGISHI | 2025-01-14 |
| 12151299 | Resistance spot welding method and weld member production method | Chikaumi Sawanishi, Hiroshi Matsuda | 2024-11-26 |
| 12134153 | Gas-shielded arc welding method and method for manufacturing welded structure | Minoru Miyata, Reiichi SUZUKI, Hiroshi Matsuda, Sachiko Suzuki, Satoru Ando | 2024-11-05 |
| 12097571 | Double-side friction stir welding method and double-side friction stir welding device for metal sheets or metal plates | Muneo Matsushita | 2024-09-24 |
| 12037665 | Spot welded member | Minoru Tanaka, Koichi Taniguchi, Rinta SATO, Katsutoshi Takashima, Hiroshi Matsuda | 2024-07-16 |
| 11992892 | Resistance spot welding method and method for producing resistance spot welded joint | Reiko ENDO, Muneo Matsushita, Koichi Taniguchi, Hiroshi Matsuda | 2024-05-28 |
| 11958123 | Resistance spot welding method and weld member production method | Chikaumi Sawanishi, Hiroshi Matsuda | 2024-04-16 |
| 11911837 | Resistance spot welding method and weld member production method | Chikaumi Sawanishi, Hiroshi Matsuda | 2024-02-27 |
| 11904404 | Resistance spot welding method and weld member production method | Chikaumi Sawanishi, Hiroshi Matsuda | 2024-02-20 |
| 11623298 | Resistance spot welding method and weld member production method | Chikaumi Sawanishi, Hiroshi Matsuda | 2023-04-11 |
| 11504796 | Resistance spot welding method | Chikaumi Sawanishi, Yasuaki Okita | 2022-11-22 |
| 11498150 | Resistance spot welding method | Koichi Taniguchi, Reiko ENDO, Katsutoshi Takashima, Hiroshi Matsuda | 2022-11-15 |
| 11446757 | Double-sided friction stir welding method for metal sheets and double-sided friction stir welding device | Muneo Matsushita | 2022-09-20 |
| 11298773 | Resistance spot welding method | Koichi Taniguchi, Chikaumi Sawanishi, Katsutoshi Takashima, Hiroshi Matsuda | 2022-04-12 |
| 11241755 | Friction stir welding method and apparatus for structural steel | Muneo Matsushita, Koichi Taniguchi | 2022-02-08 |
| 11168378 | Hot-pressed member and manufacturing method therefor | Yasuaki Okita, Seiji Nakajima, Koichi Nakagawa | 2021-11-09 |
| 11136643 | High-strength steel sheet and method for producing same | Katsutoshi Takashima, Koichi Taniguchi, Takashi Kobayashi, Hiroshi Matsuda | 2021-10-05 |
| 11065712 | Resistance spot welding method | Chikaumi Sawanishi, Hiroshi Matsuda | 2021-07-20 |
| 10946470 | Resistance spot welding method and welded member production method | Chikaumi Sawanishi, Koichi Taniguchi, Katsutoshi Takashima, Hiroshi Matsuda | 2021-03-16 |
| 10940556 | Automotive member having resistance weld | Katsutoshi Takashima, Hiroshi Matsuda, Yoshiyasu Kawasaki | 2021-03-09 |
| 10835986 | Resistance spot welding method and welded member production method | Chikaumi Sawanishi, Koichi Taniguchi, Katsutoshi Takashima, Hiroshi Matsuda | 2020-11-17 |
| 10773334 | Resistance spot welding method | Chikaumi Sawanishi, Hiroshi Matsuda | 2020-09-15 |
| 10766099 | Friction stir welding apparatus for structural steel | Muneo Matsushita, Koichi Taniguchi | 2020-09-08 |
| 10722972 | Resistance spot welding device | Koichi Taniguchi, Yasuaki Okita | 2020-07-28 |