- All sections
- B - Performing operations; transporting
- 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: 1535
10-year publication summary
|
81
|
132
|
187
|
196
|
170
|
173
|
170
|
117
|
114
|
37
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5649 |
125 |
| JFE Steel Corporation | 6067 |
85 |
| POSCO Co., Ltd. | 1059 |
59 |
| ThyssenKrupp Steel Europe AG | 924 |
28 |
| Corning Incorporated | 9932 |
22 |
| ArcelorMittal | 1887 |
21 |
| Toyo Kohan Co., Ltd. | 413 |
21 |
| BASF SE | 19740 |
19 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
19 |
| Kobe Steel, Ltd. | 912 |
18 |
| Productive Research LLC | 34 |
18 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
16 |
| ThyssenKrupp AG | 3086 |
16 |
| LG Electronics Inc. | 69257 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| GM Global Technology Operations LLC | 13620 |
10 |
| Dai Nippon Printing Co., Ltd. | 3891 |
10 |
| Boe Technology Group Co., Ltd. | 35384 |
10 |
| POSCO | 2222 |
10 |
| Honda Motor Co., Ltd. | 24537 |
9 |
| Other owners | 998 |