- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 28/00 - Shaping by press-cutting; Perforating
Patent holdings for IPC class B21D 28/00
Total number of patents in this class: 312
10-year publication summary
17
|
24
|
26
|
24
|
26
|
26
|
14
|
25
|
11
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
23 |
Nippon Steel Corporation | 5649 |
10 |
Honda Motor Co., Ltd. | 24537 |
8 |
Amada Company, Limited | 492 |
8 |
JFE Steel Corporation | 6067 |
7 |
Magna International Inc. | 1236 |
6 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
Amada Holdings Co., Ltd. | 297 |
5 |
Feintool International Holding AG | 113 |
5 |
Wilson Tool International Inc. | 159 |
5 |
Aisin AW Co., Ltd. | 2430 |
4 |
NTN Corporation | 5008 |
4 |
Cell Impact AB | 18 |
4 |
Industrial Origami, Inc. | 24 |
4 |
Lapmaster Wolters GmbH | 41 |
4 |
Milwaukee Electric Tool Corporation | 3572 |
4 |
Murata Machinery, Ltd. | 1386 |
4 |
Oiles Corporation | 515 |
4 |
Salvagnini Italia S.p.A. | 52 |
4 |
Other owners | 188 |