- 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 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
Patent holdings for IPC class B32B 27/34
Total number of patents in this class: 4254
10-year publication summary
369
|
411
|
460
|
448
|
378
|
349
|
332
|
313
|
265
|
99
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Gas Chemical Company, Inc. | 3431 |
141 |
Arkema France | 3988 |
127 |
Toyobo Co., Ltd. | 2478 |
113 |
Dow Global Technologies LLC | 10341 |
106 |
Toray Industries, Inc. | 6886 |
69 |
E. I. du Pont de Nemours and Company | 4127 |
66 |
Kaneka Corporation | 4487 |
65 |
Dai Nippon Printing Co., Ltd. | 4057 |
62 |
FUJIFILM Corporation | 29208 |
61 |
3m Innovative Properties Company | 17842 |
53 |
Cryovac, Inc. | 375 |
47 |
Kuraray Co., Ltd. | 3491 |
47 |
Ube Industries, Ltd. | 853 |
47 |
Unitika Ltd. | 452 |
39 |
Sika Technology AG | 2843 |
36 |
Mitsubishi Chemical Corporation | 4480 |
35 |
The Procter & Gamble Company | 22020 |
34 |
BASF SE | 20758 |
34 |
Amcor Flexibles North America, Inc. | 275 |
34 |
Nike, Inc. | 14016 |
31 |
Other owners | 3007 |