- 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: 4343
10-year publication summary
|
365
|
401
|
439
|
432
|
364
|
344
|
323
|
307
|
267
|
200
|
| 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. | 3499 |
144 |
| Arkema France | 4173 |
138 |
| Toyobo Co., Ltd. | 2470 |
115 |
| Dow Global Technologies LLC | 10555 |
102 |
| Toray Industries, Inc. | 7006 |
73 |
| FUJIFILM Corporation | 29817 |
69 |
| Kaneka Corporation | 4608 |
67 |
| E. I. du Pont de Nemours and Company | 3899 |
64 |
| Dai Nippon Printing Co., Ltd. | 4146 |
64 |
| 3m Innovative Properties Company | 17730 |
54 |
| Cryovac, Inc. | 359 |
47 |
| Kuraray Co., Ltd. | 3539 |
47 |
| Ube Industries, Ltd. | 821 |
47 |
| Unitika Ltd. | 445 |
41 |
| Sika Technology AG | 2908 |
36 |
| Amcor Flexibles North America, Inc. | 295 |
36 |
| The Procter & Gamble Company | 21989 |
35 |
| BASF SE | 21087 |
35 |
| Mitsubishi Chemical Corporation | 4606 |
35 |
| Nike, Inc. | 14407 |
32 |
| Other owners | 3062 |