- 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
48
|
51
|
29
|
32
|
42
|
31
|
55
|
17
|
26
|
14
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 9995 |
27 |
Sekisui Chemical Co., Ltd. | 3386 |
23 |
Kuraray Co., Ltd. | 3503 |
22 |
Nitto Denko Corporation | 8217 |
19 |
FUJIFILM Corporation | 29329 |
16 |
Toray Industries, Inc. | 6935 |
15 |
Lintec Corporation | 1962 |
13 |
Osaka University | 3375 |
13 |
Toyobo Co., Ltd. | 2489 |
13 |
Sumitomo Chemical Company, Limited | 9046 |
10 |
Zeon Corporation | 4080 |
9 |
Johnson & Johnson Vision Care, Inc. | 1182 |
8 |
Sumitomo Electric Industries, Ltd. | 15443 |
8 |
Sumitomo Electric Fine Polymer, Inc. | 201 |
8 |
Dai Nippon Printing Co., Ltd. | 4076 |
7 |
Sumitomo Rubber Industries, Ltd. | 4591 |
7 |
Kureha Corporation | 1025 |
7 |
NOK Corporation | 2219 |
7 |
Ushio Denki Kabushiki Kaisha | 1179 |
7 |
3m Innovative Properties Company | 17852 |
6 |
Other owners | 498 |