- All sections
- B - Performing operationstransporting
- B23K - Soldering or unsolderingweldingcladding or plating by soldering or weldingcutting by applying heat locally, e.g. flame cuttingworking by laser beam
- B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
Patent holdings for IPC class B23K 20/04
Total number of patents in this class: 310
10-year publication summary
|
21
|
39
|
33
|
33
|
28
|
27
|
12
|
12
|
16
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyo Kohan Co., Ltd. | 420 |
24 |
| JFE Steel Corporation | 6816 |
20 |
| UACJ Corporation | 691 |
19 |
| Hitachi Metals, Ltd. | 1985 |
17 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
13 |
| ThyssenKrupp Steel Europe AG | 954 |
13 |
| ThyssenKrupp AG | 3279 |
10 |
| Proterial, Ltd. | 837 |
10 |
| Wickeder Westfalenstahl GmbH | 27 |
8 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2876 |
6 |
| Nippon Steel Corporation | 6207 |
6 |
| SMS Group GmbH | 1118 |
6 |
| Alinox AG | 6 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 959 |
4 |
| Hydro Aluminium Rolled Products GmbH | 117 |
4 |
| Neomax Materials Co., Ltd. | 39 |
4 |
| NIPPON STEEL Stainless Steel Corporation | 286 |
4 |
| ATI Properties LLC | 204 |
3 |
| Materion Corporation | 309 |
3 |
| Taiyuan University of Technology | 254 |
3 |
| Other owners | 129 |