- 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 28/02 - Punching blanks or articles with or without obtaining scrap; Notching
Patent holdings for IPC class B21D 28/02
Total number of patents in this class: 288
10-year publication summary
|
29
|
22
|
31
|
40
|
36
|
36
|
15
|
24
|
27
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui High-tec, Inc. | 265 |
25 |
| JFE Steel Corporation | 6067 |
19 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
11 |
| Nippon Steel Corporation | 5649 |
9 |
| Kuroda Precision Industries Ltd. | 103 |
8 |
| Toyota Motor Corporation | 28582 |
6 |
| Feintool International Holding AG | 113 |
6 |
| ThyssenKrupp Steel Europe AG | 924 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Nidec Corporation | 2579 |
5 |
| NHK Spring Co., Ltd. | 1657 |
4 |
| ThyssenKrupp AG | 3086 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Ford Motor Company | 2817 |
3 |
| NTN Corporation | 5008 |
3 |
| Heinrich Georg GmbH Maschinenfabrik | 12 |
3 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
3 |
| Lapmaster Wolters GmbH | 41 |
3 |
| Nanoprecision Products, Inc. | 30 |
3 |
| SCHOTT AG | 1675 |
3 |
| Other owners | 156 |