- 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 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
Patent holdings for IPC class B32B 27/18
Total number of patents in this class: 4967
10-year publication summary
|
394
|
384
|
427
|
434
|
422
|
390
|
336
|
345
|
314
|
242
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29817 |
191 |
| Dai Nippon Printing Co., Ltd. | 4146 |
138 |
| Nitto Denko Corporation | 8355 |
124 |
| Sekisui Chemical Co., Ltd. | 3493 |
89 |
| 3m Innovative Properties Company | 17730 |
80 |
| Dow Global Technologies LLC | 10555 |
79 |
| Mitsubishi Gas Chemical Company, Inc. | 3499 |
74 |
| Toppan Printing Co., Ltd. | 2122 |
62 |
| Lintec Corporation | 1993 |
59 |
| Toyobo Co., Ltd. | 2470 |
58 |
| Mitsubishi Chemical Corporation | 4606 |
55 |
| Toray Industries, Inc. | 7006 |
53 |
| Kuraray Co., Ltd. | 3539 |
52 |
| LG Chem, Ltd. | 17679 |
45 |
| Sumitomo Chemical Company, Limited | 9109 |
44 |
| Arkema France | 4173 |
42 |
| Toray Plastics (America), Inc. | 197 |
36 |
| Zeon Corporation | 4116 |
33 |
| Konica Minolta, Inc. | 8902 |
32 |
| DIC Corporation | 3848 |
32 |
| Other owners | 3589 |