- 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 27/00 - Layered products essentially comprising synthetic resin
Patent holdings for IPC class B32B 27/00
Total number of patents in this class: 7746
10-year publication summary
448
|
516
|
599
|
604
|
648
|
588
|
558
|
577
|
460
|
156
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nitto Denko Corporation | 7879 |
612 |
Lintec Corporation | 1915 |
341 |
FUJIFILM Corporation | 27102 |
329 |
Dai Nippon Printing Co., Ltd. | 3891 |
311 |
DIC Corporation | 3597 |
142 |
Toyobo Co., Ltd. | 2286 |
138 |
Zeon Corporation | 3854 |
127 |
Sumitomo Chemical Company, Limited | 8808 |
114 |
Sekisui Chemical Co., Ltd. | 3159 |
114 |
Toray Industries, Inc. | 6652 |
113 |
3m Innovative Properties Company | 18406 |
110 |
Toppan Printing Co., Ltd. | 2212 |
106 |
Kuraray Co., Ltd. | 3392 |
95 |
Konica Minolta, Inc. | 8349 |
79 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
76 |
Mitsubishi Chemical Corporation | 4313 |
73 |
Mitsubishi Gas Chemical Company, Inc. | 3188 |
69 |
Toppan Inc. | 746 |
59 |
Mitsui Chemicals, Inc. | 3134 |
56 |
Denka Company Limited | 2189 |
55 |
Other owners | 4627 |