- 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 |