- 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: 1894
10-year publication summary
|
211
|
196
|
172
|
150
|
152
|
110
|
103
|
88
|
73
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7021 |
50 |
| Mitsubishi Gas Chemical Company, Inc. | 3522 |
38 |
| The Boeing Company | 20073 |
36 |
| Resonac Corporation | 3047 |
36 |
| 3m Innovative Properties Company | 17614 |
30 |
| Cytec Industries Inc. | 395 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 32709 |
28 |
| Mitsubishi Chemical Corporation | 4632 |
28 |
| DIC Corporation | 3873 |
27 |
| LG Chem, Ltd. | 17714 |
26 |
| Nitto Denko Corporation | 8376 |
26 |
| Dai Nippon Printing Co., Ltd. | 4152 |
25 |
| FUJIFILM Corporation | 29937 |
23 |
| PPG Industries Ohio, Inc. | 3407 |
22 |
| Ajinomoto Co., Inc. | 2305 |
22 |
| Lintec Corporation | 1992 |
21 |
| Hitachi Chemical Company, Ltd. | 2310 |
20 |
| Shengyi Technology Co., Ltd. | 263 |
20 |
| Hexcel Corporation | 299 |
19 |
| Henkel AG & Co. KGaA | 10650 |
18 |
| Other owners | 1349 |