- 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 28/14 - Dies
Patent holdings for IPC class B21D 28/14
Total number of patents in this class: 142
10-year publication summary
11
|
10
|
14
|
18
|
21
|
14
|
13
|
16
|
13
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
15 |
TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
10 |
Oiles Corporation | 515 |
6 |
JFE Steel Corporation | 6067 |
5 |
Mitsui High-tec, Inc. | 265 |
5 |
Honda Motor Co., Ltd. | 24537 |
3 |
Kuroda Precision Industries Ltd. | 103 |
3 |
Magna International Inc. | 1236 |
3 |
Nidec Corporation | 2579 |
3 |
Wuxi Micro Research Co., Ltd | 16 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
NTN Corporation | 5008 |
2 |
Amada Holdings Co., Ltd. | 297 |
2 |
G-Tekt Corporation | 29 |
2 |
Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 47 |
2 |
Metal Industries Research & Development Centre | 174 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Sunstar Engineering Inc. | 116 |
2 |
Toyo Seikan Group Holdings, Ltd. | 765 |
2 |
Toyota Boshoku Kabushiki Kaisha | 1304 |
2 |
Other owners | 66 |