- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 28/14 - Dies
Patent holdings for IPC class B21D 28/14
Total number of patents in this class: 173
10-year publication summary
|
14
|
18
|
21
|
14
|
13
|
16
|
14
|
15
|
14
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6945 |
22 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 517 |
10 |
| Oiles Corporation | 496 |
7 |
| JFE Steel Corporation | 7599 |
6 |
| Mitsui High-tec, Inc. | 262 |
5 |
| Honda Motor Co., Ltd. | 26154 |
3 |
| Toyota Motor Corporation | 35992 |
3 |
| G-Tekt Corporation | 55 |
3 |
| Kuroda Precision Industries Ltd. | 114 |
3 |
| Nidec Corporation | 2828 |
3 |
| Toyota Boshoku Kabushiki Kaisha | 1503 |
3 |
| Wuxi Micro Research Co., Ltd | 15 |
3 |
| Texas Instruments Incorporated | 19639 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
2 |
| NTN Corporation | 4922 |
2 |
| Amada Holdings Co., Ltd. | 266 |
2 |
| Corrada S.p.A. | 23 |
2 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 38 |
2 |
| Komatsu Seiki Kosakusho Co., Ltd. | 14 |
2 |
| Magna International Inc. | 1175 |
2 |
| Other owners | 86 |