- 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: 1718
10-year publication summary
|
182
|
190
|
166
|
174
|
171
|
129
|
142
|
133
|
70
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6544 |
146 |
| JFE Steel Corporation | 7111 |
89 |
| POSCO Co., Ltd. | 1604 |
75 |
| ThyssenKrupp Steel Europe AG | 964 |
28 |
| Corning Incorporated | 10370 |
25 |
| Baoshan Iron & Steel Co., Ltd. | 1028 |
24 |
| Toyo Kohan Co., Ltd. | 423 |
23 |
| ArcelorMittal | 2427 |
21 |
| BASF SE | 21109 |
19 |
| Productive Research LLC | 33 |
18 |
| Kobe Steel, Ltd. | 885 |
16 |
| Nippon Steel & Sumitomo Metal Corporation | 1986 |
16 |
| Dai Nippon Printing Co., Ltd. | 4149 |
14 |
| ThyssenKrupp AG | 3370 |
14 |
| LG Electronics Inc. | 73967 |
13 |
| POSCO | 2154 |
13 |
| GM Global Technology Operations LLC | 15466 |
12 |
| Boe Technology Group Co., Ltd. | 42050 |
12 |
| The Boeing Company | 20081 |
11 |
| 3m Innovative Properties Company | 17604 |
10 |
| Other owners | 1119 |