- 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 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
Patent holdings for IPC class B32B 15/04
Total number of patents in this class: 4189
10-year publication summary
|
395
|
443
|
393
|
384
|
343
|
315
|
290
|
226
|
147
|
55
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6751 |
116 |
| Corning Incorporated | 10463 |
111 |
| JFE Steel Corporation | 7407 |
76 |
| POSCO Co., Ltd. | 1687 |
74 |
| Guardian Glass, LLC | 566 |
72 |
| Agc, Inc. | 5383 |
57 |
| Nitto Denko Corporation | 8486 |
53 |
| Mitsui Mining & Smelting Co., Ltd. | 1369 |
48 |
| 3m Innovative Properties Company | 17491 |
41 |
| The Boeing Company | 20131 |
37 |
| FUJIFILM Corporation | 30327 |
37 |
| Rtx Corporation | 9946 |
37 |
| Vitro Flat Glass LLC | 503 |
36 |
| Samsung Display Co., Ltd. | 38092 |
33 |
| JX Nippon Mining & Metals Corporation | 1463 |
30 |
| Saint-Gobain Glass France | 3223 |
29 |
| ArcelorMittal | 2572 |
25 |
| NGK Insulators, Ltd. | 5223 |
24 |
| Toyo Kohan Co., Ltd. | 427 |
24 |
| Henkel AG & Co. KGaA | 10703 |
23 |
| Other owners | 3206 |