- 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 43/04 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
Patent holdings for IPC class B21D 43/04
Total number of patents in this class: 47
10-year publication summary
|
4
|
3
|
9
|
7
|
2
|
2
|
7
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hidaka Seiki Kabushiki Kaisha | 61 |
6 |
| Hitachi Zosen Fukui Corporation | 32 |
4 |
| Mitsui High-tec, Inc. | 265 |
4 |
| Komatsu Industries Corporation | 185 |
3 |
| Murata Machinery, Ltd. | 1386 |
3 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| AIDA Engineering, Ltd. | 127 |
2 |
| Changshu Feifan Metalwork Co., Ltd | 5 |
2 |
| Schuler Pressen GmbH | 145 |
2 |
| Standard Lifters, Inc. | 92 |
2 |
| Chengdu Homin Technology Co., Ltd | 13 |
2 |
| Amada Company, Limited | 492 |
1 |
| Daiwa Can Company | 213 |
1 |
| Dieffenbacher Maschinenfabrik GmbH | 9 |
1 |
| Hatebur Umformmaschinen AG | 39 |
1 |
| Hirotec Corporation | 28 |
1 |
| Nidec Corporation | 2579 |
1 |
| Taiyuan University of Science and Technology | 36 |
1 |
| Toyota Motor Engineering & Manufacturing North America, Inc. | 1455 |
1 |
| Other owners | 4 |