- 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 27/00 - Layered products essentially comprising synthetic resin
Patent holdings for IPC class B32B 27/00
Total number of patents in this class: 8061
10-year publication summary
516
|
599
|
606
|
654
|
587
|
560
|
580
|
463
|
454
|
251
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nitto Denko Corporation | 8246 |
657 |
Lintec Corporation | 1953 |
353 |
FUJIFILM Corporation | 29424 |
349 |
Dai Nippon Printing Co., Ltd. | 4089 |
335 |
Toyobo Co., Ltd. | 2499 |
160 |
DIC Corporation | 3802 |
155 |
Sekisui Chemical Co., Ltd. | 3429 |
138 |
Zeon Corporation | 4078 |
125 |
Toray Industries, Inc. | 6951 |
115 |
Sumitomo Chemical Company, Limited | 9049 |
114 |
3m Innovative Properties Company | 17819 |
110 |
Toppan Printing Co., Ltd. | 2132 |
103 |
Kuraray Co., Ltd. | 3503 |
102 |
Shin-Etsu Chemical Co., Ltd. | 5663 |
83 |
Mitsubishi Chemical Corporation | 4519 |
82 |
Konica Minolta, Inc. | 8751 |
80 |
Mitsubishi Gas Chemical Company, Inc. | 3466 |
75 |
Denka Company Limited | 2585 |
61 |
Oji Holdings Corporation | 724 |
59 |
Toppan Inc. | 758 |
59 |
Other owners | 4746 |