- 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: 4386
10-year publication summary
|
401
|
439
|
432
|
364
|
344
|
324
|
308
|
267
|
210
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3546 |
141 |
| Arkema France | 4166 |
135 |
| Toyobo Co., Ltd. | 2491 |
115 |
| Dow Global Technologies LLC | 10699 |
103 |
| Toray Industries, Inc. | 7018 |
74 |
| FUJIFILM Corporation | 30016 |
72 |
| Dai Nippon Printing Co., Ltd. | 4170 |
72 |
| Kaneka Corporation | 4640 |
70 |
| E. I. du Pont de Nemours and Company | 3774 |
64 |
| 3m Innovative Properties Company | 17607 |
54 |
| Kuraray Co., Ltd. | 3564 |
48 |
| Ube Industries, Ltd. | 802 |
47 |
| Unitika Ltd. | 443 |
40 |
| Amcor Flexibles North America, Inc. | 304 |
39 |
| Cryovac, Inc. | 289 |
37 |
| The Procter & Gamble Company | 21977 |
36 |
| Sika Technology AG | 2927 |
36 |
| BASF SE | 21149 |
35 |
| Mitsubishi Chemical Corporation | 4662 |
35 |
| Cryovac, LLC | 341 |
33 |
| Other owners | 3100 |