- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-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: 1788
10-year publication summary
|
121
|
115
|
146
|
131
|
95
|
104
|
77
|
100
|
114
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
66 |
| LG Chem, Ltd. | 17205 |
64 |
| FUJIFILM Manufacturing Europe B.V. | 271 |
57 |
| Agc, Inc. | 4029 |
54 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
42 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
37 |
| Toray Industries, Inc. | 6652 |
31 |
| 3m Innovative Properties Company | 18406 |
30 |
| LG Energy Solution, Ltd. | 10813 |
25 |
| W. L. Gore & Associates, Inc. | 2600 |
24 |
| Centre National de La Recherche Scientifique | 9632 |
23 |
| Sumitomo Chemical Company, Limited | 8808 |
23 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
23 |
| Nitto Denko Corporation | 7879 |
19 |
| Asahi Glass Company, Limited | 2985 |
19 |
| BASF SE | 19740 |
18 |
| Uop LLC | 4083 |
18 |
| Astom Corporation | 31 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Rensselaer Polytechnic Institute | 776 |
17 |
| Other owners | 1163 |