- 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 15/18 - Layered products essentially comprising metal comprising iron or steel
Patent holdings for IPC class B32B 15/18
Total number of patents in this class: 1784
10-year publication summary
|
187
|
197
|
171
|
176
|
176
|
131
|
152
|
141
|
83
|
54
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
154 |
| JFE Steel Corporation | 7508 |
95 |
| POSCO Co., Ltd. | 2006 |
78 |
| ThyssenKrupp Steel Europe AG | 989 |
29 |
| Baoshan Iron & Steel Co., Ltd. | 1101 |
27 |
| Corning Incorporated | 10500 |
26 |
| ArcelorMittal | 2663 |
23 |
| Toyo Kohan Co., Ltd. | 431 |
23 |
| BASF SE | 21303 |
20 |
| Productive Research LLC | 33 |
18 |
| Kobe Steel, Ltd. | 899 |
16 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
16 |
| Dai Nippon Printing Co., Ltd. | 4237 |
15 |
| Boe Technology Group Co., Ltd. | 44004 |
15 |
| POSCO | 2147 |
15 |
| ThyssenKrupp AG | 3423 |
14 |
| LG Electronics Inc. | 75654 |
13 |
| Samsung Display Co., Ltd. | 38570 |
12 |
| The Boeing Company | 20160 |
12 |
| GM Global Technology Operations LLC | 16106 |
12 |
| Other owners | 1151 |