- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 5/22 - Films, membranes or diaphragms
Patent holdings for IPC class C08J 5/22
Total number of patents in this class: 1909
10-year publication summary
|
108
|
144
|
125
|
93
|
96
|
74
|
93
|
112
|
146
|
90
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17643 |
64 |
| FUJIFILM Corporation | 29506 |
63 |
| Agc, Inc. | 4901 |
58 |
| FUJIFILM Manufacturing Europe B.V. | 261 |
52 |
| Solvay Specialty Polymers Italy S.p.A. | 758 |
42 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
37 |
| Toray Industries, Inc. | 6974 |
31 |
| 3m Innovative Properties Company | 17812 |
28 |
| LG Energy Solution, Ltd. | 15251 |
26 |
| Centre National de La Recherche Scientifique | 10498 |
25 |
| W. L. Gore & Associates, Inc. | 2712 |
25 |
| Uop LLC | 4242 |
23 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
22 |
| Sumitomo Chemical Company, Limited | 9051 |
21 |
| Rensselaer Polytechnic Institute | 829 |
21 |
| BASF SE | 20961 |
19 |
| Astom Corporation | 33 |
18 |
| Samsung Electronics Co., Ltd. | 147334 |
17 |
| Nitto Denko Corporation | 8273 |
17 |
| Arkema France | 4162 |
17 |
| Other owners | 1283 |