- 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 27/38 - Layered products essentially comprising synthetic resin comprising epoxy resins
Patent holdings for IPC class B32B 27/38
Total number of patents in this class: 1901
10-year publication summary
|
219
|
199
|
176
|
155
|
155
|
114
|
109
|
92
|
77
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7122 |
51 |
| Resonac Corporation | 3587 |
41 |
| Mitsubishi Gas Chemical Company, Inc. | 3629 |
39 |
| The Boeing Company | 20176 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
31 |
| 3m Innovative Properties Company | 17484 |
30 |
| Cytec Industries Inc. | 408 |
30 |
| Mitsubishi Chemical Corporation | 4724 |
28 |
| DIC Corporation | 3968 |
27 |
| Nitto Denko Corporation | 8550 |
26 |
| LG Chem, Ltd. | 17937 |
25 |
| Dai Nippon Printing Co., Ltd. | 4247 |
25 |
| FUJIFILM Corporation | 30562 |
23 |
| PPG Industries Ohio, Inc. | 3326 |
23 |
| Ajinomoto Co., Inc. | 2280 |
20 |
| Lintec Corporation | 2022 |
20 |
| Shengyi Technology Co., Ltd. | 268 |
20 |
| Hitachi Chemical Company, Ltd. | 2238 |
19 |
| Hexcel Corporation | 296 |
19 |
| Henkel AG & Co. KGaA | 10768 |
18 |
| Other owners | 1349 |