- 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: 4701
10-year publication summary
364
|
462
|
439
|
533
|
469
|
432
|
377
|
399
|
320
|
111
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
3m Innovative Properties Company | 17848 |
164 |
DIC Corporation | 3742 |
147 |
BASF SE | 20728 |
98 |
Dow Global Technologies LLC | 10328 |
86 |
Nike, Inc. | 13992 |
78 |
Zeon Corporation | 4065 |
67 |
UNILIN, besloten vennootschap | 839 |
61 |
Covestro Deutschland AG | 2716 |
55 |
Toppan Printing Co., Ltd. | 2140 |
54 |
Dai Nippon Printing Co., Ltd. | 4051 |
52 |
Mitsui Chemicals, Inc. | 3186 |
51 |
Kuraray Co., Ltd. | 3495 |
48 |
Toray Industries, Inc. | 6867 |
44 |
Nitto Denko Corporation | 8169 |
41 |
PPG Industries Ohio, Inc. | 3453 |
40 |
Toyobo Co., Ltd. | 2477 |
36 |
FUJIFILM Corporation | 29188 |
34 |
Samsung Display Co., Ltd. | 34120 |
33 |
Bando Chemical Industries, Ltd. | 581 |
32 |
Rohm and Haas Company | 2898 |
26 |
Other owners | 3454 |