- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 5/01 - Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
Patent holdings for IPC class B21D 5/01
Total number of patents in this class: 339
10-year publication summary
|
42
|
26
|
44
|
24
|
30
|
17
|
19
|
13
|
13
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6840 |
67 |
| Nippon Steel Corporation | 6238 |
41 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
25 |
| Yorozu Corporation | 75 |
11 |
| ThyssenKrupp Steel Europe AG | 955 |
10 |
| H-one Co., Ltd. | 22 |
7 |
| SMS Group GmbH | 1125 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
5 |
| Amada Company, Limited | 564 |
5 |
| Amada Holdings Co., Ltd. | 278 |
5 |
| Nikkeikin Aluminium Core Technology Company Ltd. | 58 |
5 |
| Cambridge Enterprise Limited | 1185 |
4 |
| ThyssenKrupp Steel AG | 56 |
4 |
| Toyota Motor Corporation | 32116 |
3 |
| Sango Co., Ltd. | 70 |
3 |
| SSAB Technology AB | 158 |
3 |
| Theodor Gräbener GmbH & Co. KG | 12 |
3 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3102 |
3 |
| Horikawa Industry Co., Ltd. | 5 |
3 |
| Canon Inc. | 39888 |
2 |
| Other owners | 124 |