- 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: 750
10-year publication summary
|
51
|
30
|
32
|
42
|
31
|
55
|
17
|
27
|
27
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10499 |
34 |
| Sekisui Chemical Co., Ltd. | 3614 |
23 |
| Kuraray Co., Ltd. | 3589 |
22 |
| Nitto Denko Corporation | 8536 |
19 |
| Toray Industries, Inc. | 7113 |
15 |
| Toyobo Co., Ltd. | 2535 |
15 |
| FUJIFILM Corporation | 30514 |
13 |
| Lintec Corporation | 2008 |
13 |
| Osaka University | 3267 |
13 |
| Sumitomo Chemical Company, Limited | 9016 |
10 |
| Dai Nippon Printing Co., Ltd. | 4238 |
9 |
| Zeon Corporation | 4147 |
9 |
| Agc, Inc. | 5524 |
9 |
| Johnson & Johnson Vision Care, Inc. | 1157 |
8 |
| Sumitomo Electric Industries, Ltd. | 16331 |
8 |
| Murata Manufacturing Co., Ltd. | 25744 |
8 |
| Sumitomo Electric Fine Polymer, Inc. | 204 |
8 |
| Ushio Denki Kabushiki Kaisha | 1207 |
8 |
| Sumitomo Rubber Industries, Ltd. | 4726 |
7 |
| Kureha Corporation | 1059 |
7 |
| Other owners | 492 |