- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 5/00 - Extending closed shapes of metal bands by rolling
Patent holdings for IPC class B21B 5/00
Total number of patents in this class: 28
10-year publication summary
|
4
|
4
|
3
|
0
|
2
|
1
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 2017 |
9 |
| Hitachi Metals MMC Superalloy, Ltd. | 11 |
3 |
| Aichi Steel Corporation | 373 |
2 |
| BFC Fahrzeugteile GmbH | 17 |
2 |
| Nippon Institute of Technology | 4 |
2 |
| Toyota Motor Corporation | 30540 |
1 |
| NSK Ltd. | 2734 |
1 |
| Cambridge Enterprise Limited | 1150 |
1 |
| Mitsubishi Materials Corporation | 2408 |
1 |
| SANYO Special Steel Co., Ltd. | 217 |
1 |
| SMS Group GmbH | 1081 |
1 |
| Wuhan University of Technology | 177 |
1 |
| Bruck AM spol. s.r.o. | 1 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13060 |
1 |
| Toyota Jidosha Kabushiki Kaisha | 923 |
1 |
| Other owners | 0 |