- 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 27/38 - Layered products essentially comprising synthetic resin comprising epoxy resins
Patent holdings for IPC class B32B 27/38
Total number of patents in this class: 1822
10-year publication summary
|
150
|
173
|
219
|
198
|
176
|
153
|
149
|
106
|
98
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
50 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
41 |
| The Boeing Company | 19843 |
37 |
| 3m Innovative Properties Company | 18406 |
30 |
| Cytec Industries Inc. | 407 |
27 |
| LG Chem, Ltd. | 17205 |
25 |
| Mitsubishi Chemical Corporation | 4313 |
25 |
| Nitto Denko Corporation | 7879 |
24 |
| Resonac Corporation | 2233 |
24 |
| FUJIFILM Corporation | 27102 |
23 |
| Dai Nippon Printing Co., Ltd. | 3891 |
22 |
| DIC Corporation | 3597 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
21 |
| PPG Industries Ohio, Inc. | 3430 |
21 |
| Hitachi Chemical Company, Ltd. | 2455 |
20 |
| Shengyi Technology Co., Ltd. | 255 |
20 |
| Hexcel Corporation | 305 |
19 |
| Lintec Corporation | 1915 |
19 |
| Ajinomoto Co., Inc. | 2337 |
18 |
| Dow Global Technologies LLC | 10147 |
17 |
| Other owners | 1317 |