- 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: 8143
10-year publication summary
|
501
|
575
|
592
|
637
|
574
|
550
|
571
|
461
|
455
|
397
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nitto Denko Corporation | 8358 |
664 |
| Lintec Corporation | 1990 |
359 |
| FUJIFILM Corporation | 29839 |
354 |
| Dai Nippon Printing Co., Ltd. | 4145 |
345 |
| Toyobo Co., Ltd. | 2471 |
168 |
| DIC Corporation | 3854 |
155 |
| Sekisui Chemical Co., Ltd. | 3508 |
145 |
| Zeon Corporation | 4116 |
123 |
| Toray Industries, Inc. | 7015 |
116 |
| Sumitomo Chemical Company, Limited | 9109 |
115 |
| 3m Innovative Properties Company | 17719 |
110 |
| Toppan Printing Co., Ltd. | 2122 |
103 |
| Kuraray Co., Ltd. | 3544 |
101 |
| Shin-Etsu Chemical Co., Ltd. | 5795 |
86 |
| Mitsubishi Chemical Corporation | 4612 |
84 |
| Mitsubishi Gas Chemical Company, Inc. | 3509 |
81 |
| Konica Minolta, Inc. | 8910 |
80 |
| Denka Company Limited | 2655 |
62 |
| Oji Holdings Corporation | 745 |
61 |
| Agc, Inc. | 5033 |
60 |
| Other owners | 4771 |