- All sections
- B - Performing operationstransporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
Patent holdings for IPC class B32B 15/01
Total number of patents in this class: 3820
10-year publication summary
|
321
|
329
|
380
|
352
|
327
|
296
|
272
|
274
|
228
|
188
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6476 |
304 |
| ArcelorMittal | 2384 |
217 |
| JFE Steel Corporation | 7044 |
203 |
| POSCO Co., Ltd. | 1593 |
161 |
| ThyssenKrupp Steel Europe AG | 962 |
70 |
| Toyo Kohan Co., Ltd. | 422 |
65 |
| JX Nippon Mining & Metals Corporation | 1479 |
60 |
| UACJ Corporation | 707 |
45 |
| The Boeing Company | 20166 |
37 |
| ThyssenKrupp AG | 3336 |
36 |
| Rtx Corporation | 9576 |
36 |
| Baoshan Iron & Steel Co., Ltd. | 985 |
35 |
| Sumitomo Electric Industries, Ltd. | 15750 |
31 |
| Mitsubishi Materials Corporation | 2472 |
30 |
| Novelis Koblenz GmbH | 85 |
29 |
| Voestalpine Stahl GmbH | 365 |
28 |
| Hitachi Metals, Ltd. | 1960 |
27 |
| Novelis Inc. | 767 |
27 |
| POSCO | 2176 |
27 |
| Kobe Steel, Ltd. | 884 |
26 |
| Other owners | 2326 |