- All sections
- C - Chemistry; metallurgy
- 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: 313
10-year publication summary
|
20
|
23
|
22
|
23
|
25
|
34
|
31
|
15
|
23
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 27102 |
82 |
| DIC Corporation | 3597 |
14 |
| Kuraray Co., Ltd. | 3392 |
13 |
| Showa Denko K.K. | 2539 |
12 |
| Toagosei Co., Ltd. | 894 |
10 |
| Sumitomo Chemical Company, Limited | 8808 |
9 |
| Daikin Industries, Ltd. | 9495 |
9 |
| JSR Corporation | 2476 |
9 |
| Toray Industries, Inc. | 6652 |
8 |
| Hitachi Chemical Company, Ltd. | 2455 |
7 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
7 |
| Central Glass Company, Limited | 1244 |
6 |
| Nippon Shokubai Co., Ltd. | 1487 |
6 |
| Asahi Glass Company, Limited | 2985 |
5 |
| Mitsubishi Chemical Corporation | 4313 |
5 |
| Osaka Organic Chemical Industry Ltd. | 118 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Kaneka Corporation | 4445 |
4 |
| Adeka Corporation | 1333 |
4 |
| Denka Company Limited | 2189 |
4 |
| Other owners | 90 |