- 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
|
50
|
30
|
32
|
39
|
31
|
53
|
17
|
27
|
27
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10214 |
31 |
| Sekisui Chemical Co., Ltd. | 3528 |
23 |
| Kuraray Co., Ltd. | 3563 |
22 |
| Nitto Denko Corporation | 8399 |
19 |
| Toray Industries, Inc. | 7014 |
15 |
| Toyobo Co., Ltd. | 2493 |
15 |
| FUJIFILM Corporation | 30010 |
14 |
| Lintec Corporation | 1995 |
13 |
| Osaka University | 3360 |
13 |
| Sumitomo Chemical Company, Limited | 9039 |
10 |
| Dai Nippon Printing Co., Ltd. | 4169 |
9 |
| Zeon Corporation | 4123 |
9 |
| Johnson & Johnson Vision Care, Inc. | 1176 |
8 |
| Sumitomo Electric Industries, Ltd. | 15941 |
8 |
| Murata Manufacturing Co., Ltd. | 25214 |
8 |
| Sumitomo Electric Fine Polymer, Inc. | 204 |
8 |
| Ushio Denki Kabushiki Kaisha | 1208 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
7 |
| Kureha Corporation | 1042 |
7 |
| 3m Innovative Properties Company | 17614 |
6 |
| Other owners | 490 |