- All sections
- B - Performing operations; transporting
- 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: 4119
10-year publication summary
|
249
|
368
|
412
|
459
|
448
|
377
|
341
|
326
|
300
|
89
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
132 |
| Arkema France | 3790 |
119 |
| Dow Global Technologies LLC | 10147 |
101 |
| Toyobo Co., Ltd. | 2286 |
99 |
| E. I. du Pont de Nemours and Company | 4345 |
68 |
| Toray Industries, Inc. | 6652 |
68 |
| Kaneka Corporation | 4445 |
67 |
| Dai Nippon Printing Co., Ltd. | 3891 |
58 |
| 3m Innovative Properties Company | 18406 |
54 |
| Cryovac, Inc. | 414 |
54 |
| Ube Industries, Ltd. | 921 |
50 |
| FUJIFILM Corporation | 27102 |
47 |
| Kuraray Co., Ltd. | 3392 |
47 |
| Unitika Ltd. | 441 |
38 |
| Nike, Inc. | 13075 |
36 |
| BASF SE | 19740 |
35 |
| Sika Technology AG | 2650 |
34 |
| The Procter & Gamble Company | 22178 |
33 |
| Mitsubishi Chemical Corporation | 4313 |
32 |
| Nitto Denko Corporation | 7879 |
31 |
| Other owners | 2916 |