- 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 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Patent holdings for IPC class B32B 27/28
Total number of patents in this class: 4052
10-year publication summary
|
425
|
454
|
424
|
340
|
361
|
298
|
290
|
246
|
187
|
109
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kuraray Co., Ltd. | 3601 |
129 |
| 3m Innovative Properties Company | 17458 |
117 |
| Samsung Display Co., Ltd. | 38817 |
96 |
| LG Chem, Ltd. | 17950 |
83 |
| Mitsubishi Chemical Corporation | 4734 |
72 |
| Dai Nippon Printing Co., Ltd. | 4247 |
51 |
| Dow Global Technologies LLC | 10994 |
48 |
| The Boeing Company | 20186 |
39 |
| Arkema France | 4251 |
37 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 281 |
33 |
| Toray Industries, Inc. | 7139 |
32 |
| PI Advanced Materials Co., Ltd. | 234 |
32 |
| Nitto Denko Corporation | 8558 |
30 |
| DuPont Electronics, Inc. | 333 |
29 |
| FUJIFILM Corporation | 30594 |
28 |
| Kaneka Corporation | 4732 |
28 |
| SABIC Global Technologies B.V. | 4611 |
28 |
| Saint-Gobain Performance Plastics Corporation | 1051 |
28 |
| Samsung Electronics Co., Ltd. | 158442 |
27 |
| Shin-Etsu Chemical Co., Ltd. | 6120 |
26 |
| Other owners | 3059 |