- 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: 1625
10-year publication summary
132
|
187
|
197
|
170
|
174
|
173
|
126
|
129
|
125
|
10
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 6000 |
133 |
JFE Steel Corporation | 6549 |
88 |
POSCO Co., Ltd. | 1298 |
72 |
ThyssenKrupp Steel Europe AG | 956 |
28 |
Corning Incorporated | 10112 |
25 |
Baoshan Iron & Steel Co., Ltd. | 892 |
23 |
Toyo Kohan Co., Ltd. | 412 |
22 |
ArcelorMittal | 2060 |
21 |
BASF SE | 20403 |
19 |
Productive Research LLC | 33 |
18 |
Kobe Steel, Ltd. | 863 |
16 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
16 |
ThyssenKrupp AG | 3206 |
14 |
LG Electronics Inc. | 70957 |
12 |
3m Innovative Properties Company | 17951 |
11 |
Dai Nippon Printing Co., Ltd. | 3973 |
11 |
Boe Technology Group Co., Ltd. | 38828 |
11 |
POSCO | 2204 |
11 |
GM Global Technology Operations LLC | 14229 |
10 |
Zephyros, Inc. | 635 |
10 |
Other owners | 1054 |