- 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 27/28 - 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: 3657
10-year publication summary
|
260
|
368
|
424
|
453
|
419
|
337
|
346
|
274
|
251
|
78
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 18406 |
123 |
| Kuraray Co., Ltd. | 3392 |
112 |
| LG Chem, Ltd. | 17205 |
95 |
| Samsung Display Co., Ltd. | 30585 |
74 |
| Mitsubishi Chemical Corporation | 4313 |
54 |
| Dai Nippon Printing Co., Ltd. | 3891 |
45 |
| Dow Global Technologies LLC | 10147 |
43 |
| Arkema France | 3790 |
39 |
| The Boeing Company | 19843 |
36 |
| The Nippon Synthetic Chemical Industry Co., Ltd. | 314 |
34 |
| Nitto Denko Corporation | 7879 |
31 |
| Toray Industries, Inc. | 6652 |
30 |
| Kaneka Corporation | 4445 |
30 |
| DuPont Electronics, Inc. | 379 |
28 |
| SABIC Global Technologies B.V. | 4044 |
27 |
| Saint-Gobain Performance Plastics Corporation | 1028 |
27 |
| FUJIFILM Corporation | 27102 |
26 |
| PI Advanced Materials Co., Ltd. | 157 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
25 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
24 |
| Other owners | 2728 |