- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 5/18 - Manufacture of films or sheets
Patent holdings for IPC class C08J 5/18
Total number of patents in this class: 14925
10-year publication summary
1017
|
974
|
1033
|
1102
|
1264
|
1215
|
1414
|
1233
|
1183
|
671
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Chem, Ltd. | 17639 |
622 |
Toyobo Co., Ltd. | 2499 |
382 |
Dow Global Technologies LLC | 10349 |
339 |
Kuraray Co., Ltd. | 3503 |
336 |
FUJIFILM Corporation | 29424 |
326 |
Toray Industries, Inc. | 6951 |
275 |
Borealis AG | 2811 |
269 |
3m Innovative Properties Company | 17819 |
219 |
Mitsubishi Chemical Corporation | 4519 |
200 |
Kaneka Corporation | 4529 |
186 |
Kolon Industries, Inc. | 1685 |
180 |
Nitto Denko Corporation | 8246 |
176 |
ExxonMobil Chemical Patents Inc. | 3976 |
168 |
Mitsubishi Gas Chemical Company, Inc. | 3466 |
166 |
Zeon Corporation | 4078 |
160 |
Stora Enso Oyj | 1645 |
153 |
Sumitomo Chemical Company, Limited | 9049 |
139 |
Konica Minolta, Inc. | 8751 |
134 |
PI Advanced Materials Co., Ltd. | 201 |
129 |
Eastman Chemical Company | 2218 |
118 |
Other owners | 10248 |