- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 290/12 - Polymers provided for in subclasses or
Patent holdings for IPC class C08F 290/12
Total number of patents in this class: 338
10-year publication summary
|
23
|
22
|
23
|
25
|
34
|
31
|
15
|
23
|
36
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29295 |
86 |
| DIC Corporation | 3780 |
14 |
| Kuraray Co., Ltd. | 3502 |
13 |
| Sumitomo Chemical Company, Limited | 9031 |
12 |
| Showa Denko K.K. | 2258 |
12 |
| Toagosei Co., Ltd. | 973 |
11 |
| Toray Industries, Inc. | 6930 |
10 |
| Daikin Industries, Ltd. | 9973 |
9 |
| Hitachi Chemical Company, Ltd. | 2356 |
7 |
| Denka Company Limited | 2561 |
7 |
| Sumitomo Bakelite Co., Ltd. | 1492 |
7 |
| Resonac Corporation | 2766 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
6 |
| Mitsubishi Chemical Corporation | 4489 |
6 |
| Central Glass Company, Limited | 1264 |
6 |
| Nippon Kayaku Kabushiki Kaisha | 1429 |
6 |
| Nippon Shokubai Co., Ltd. | 1510 |
6 |
| Osaka Organic Chemical Industry Ltd. | 132 |
6 |
| Asahi Glass Company, Limited | 2802 |
5 |
| JSR Corporation | 2514 |
5 |
| Other owners | 97 |