- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
Patent holdings for IPC class C08J 5/04
Total number of patents in this class: 3951
10-year publication summary
285
|
376
|
387
|
431
|
392
|
339
|
297
|
282
|
299
|
105
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toray Industries, Inc. | 6906 |
277 |
Mitsubishi Chemical Corporation | 4492 |
91 |
Teijin Limited | 1236 |
87 |
Arkema France | 4015 |
82 |
Mitsubishi Gas Chemical Company, Inc. | 3443 |
62 |
DIC Corporation | 3759 |
58 |
BASF SE | 20803 |
50 |
The Boeing Company | 20025 |
47 |
SABIC Global Technologies B.V. | 4302 |
47 |
Covestro Deutschland AG | 2725 |
37 |
Johns Manville | 955 |
37 |
E. I. du Pont de Nemours and Company | 4116 |
36 |
Dow Global Technologies LLC | 10384 |
31 |
Cytec Industries Inc. | 402 |
30 |
Hexcel Corporation | 302 |
29 |
Nitto Boseki Co., Ltd. | 290 |
25 |
Sumitomo Chemical Company, Limited | 9018 |
24 |
Asahi Kasei Kabushiki Kaisha | 2640 |
22 |
Panasonic Intellectual Property Management Co., Ltd. | 31022 |
20 |
Mitsui Chemicals, Inc. | 3206 |
20 |
Other owners | 2839 |