- 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 27/40 - Layered products essentially comprising synthetic resin comprising polyurethanes
Patent holdings for IPC class B32B 27/40
Total number of patents in this class: 4768
10-year publication summary
360
|
440
|
420
|
512
|
448
|
421
|
364
|
395
|
317
|
191
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
3m Innovative Properties Company | 17781 |
168 |
DIC Corporation | 3813 |
154 |
BASF SE | 20991 |
101 |
Nike, Inc. | 14273 |
78 |
Dow Global Technologies LLC | 10413 |
78 |
Zeon Corporation | 4082 |
67 |
UNILIN, besloten vennootschap | 886 |
61 |
Covestro Deutschland AG | 2768 |
57 |
Toppan Printing Co., Ltd. | 2130 |
54 |
Dai Nippon Printing Co., Ltd. | 4118 |
53 |
Mitsui Chemicals, Inc. | 3238 |
50 |
Kuraray Co., Ltd. | 3516 |
49 |
Toray Industries, Inc. | 6978 |
45 |
Nitto Denko Corporation | 8295 |
41 |
PPG Industries Ohio, Inc. | 3441 |
39 |
Toyobo Co., Ltd. | 2522 |
38 |
FUJIFILM Corporation | 29586 |
35 |
Samsung Display Co., Ltd. | 35269 |
33 |
Bando Chemical Industries, Ltd. | 588 |
32 |
Henkel AG & Co. KGaA | 10611 |
26 |
Other owners | 3509 |