- 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 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
Patent holdings for IPC class B32B 27/20
Total number of patents in this class: 4432
10-year publication summary
309
|
412
|
480
|
450
|
514
|
443
|
441
|
411
|
348
|
99
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Corporation | 27102 |
121 |
3m Innovative Properties Company | 18406 |
89 |
Dai Nippon Printing Co., Ltd. | 3891 |
88 |
Sekisui Chemical Co., Ltd. | 3159 |
87 |
Dow Global Technologies LLC | 10147 |
75 |
Toray Industries, Inc. | 6652 |
60 |
LG Chem, Ltd. | 17205 |
57 |
Nitto Denko Corporation | 7879 |
52 |
Toyobo Co., Ltd. | 2286 |
50 |
Toppan Printing Co., Ltd. | 2212 |
46 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
45 |
Lintec Corporation | 1915 |
42 |
UNILIN, besloten vennootschap | 599 |
41 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
40 |
Dexerials Corporation | 1826 |
37 |
Sumitomo Chemical Company, Limited | 8808 |
34 |
Yupo Corporation | 232 |
34 |
Mitsubishi Chemical Corporation | 4313 |
32 |
Toray Plastics (America), Inc. | 196 |
30 |
Arkema France | 3790 |
30 |
Other owners | 3342 |