- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 7/00 - Chemical treatment or coating of shaped articles made of macromolecular substances
Patent holdings for IPC class C08J 7/00
Total number of patents in this class: 743
10-year publication summary
45
|
50
|
29
|
32
|
39
|
31
|
53
|
17
|
27
|
20
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 10071 |
27 |
Sekisui Chemical Co., Ltd. | 3447 |
23 |
Kuraray Co., Ltd. | 3516 |
22 |
Nitto Denko Corporation | 8295 |
19 |
FUJIFILM Corporation | 29586 |
15 |
Toray Industries, Inc. | 6978 |
15 |
Toyobo Co., Ltd. | 2522 |
14 |
Lintec Corporation | 1978 |
13 |
Osaka University | 3388 |
13 |
Sumitomo Chemical Company, Limited | 9047 |
10 |
Zeon Corporation | 4082 |
9 |
Johnson & Johnson Vision Care, Inc. | 1183 |
8 |
Sumitomo Electric Industries, Ltd. | 15609 |
8 |
Sumitomo Electric Fine Polymer, Inc. | 201 |
8 |
Ushio Denki Kabushiki Kaisha | 1194 |
8 |
Dai Nippon Printing Co., Ltd. | 4118 |
7 |
Sumitomo Rubber Industries, Ltd. | 4666 |
7 |
Kureha Corporation | 1033 |
7 |
NOK Corporation | 2229 |
7 |
3m Innovative Properties Company | 17781 |
6 |
Other owners | 497 |