- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 28/00 - Shaping by press-cuttingPerforating
Patent holdings for IPC class B21D 28/00
Total number of patents in this class: 318
10-year publication summary
|
23
|
26
|
22
|
25
|
25
|
13
|
24
|
11
|
10
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 539 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
11 |
| Nippon Steel Corporation | 6476 |
10 |
| Honda Motor Co., Ltd. | 25778 |
8 |
| Amada Company, Limited | 582 |
8 |
| JFE Steel Corporation | 7044 |
8 |
| Feintool International Holding AG | 100 |
6 |
| Magna International Inc. | 1235 |
6 |
| Amada Holdings Co., Ltd. | 277 |
5 |
| Cell Impact AB | 20 |
5 |
| Milwaukee Electric Tool Corporation | 4570 |
5 |
| Wilson Tool International Inc. | 159 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12680 |
5 |
| Aisin AW Co., Ltd. | 2306 |
4 |
| NTN Corporation | 4969 |
4 |
| Lapmaster Wolters GmbH | 36 |
4 |
| Murata Machinery, Ltd. | 1526 |
4 |
| Oiles Corporation | 515 |
4 |
| Salvagnini Italia S.p.A. | 59 |
4 |
| Toyota Boshoku Kabushiki Kaisha | 1433 |
4 |
| Other owners | 189 |