- 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: 359
10-year publication summary
|
22
|
23
|
25
|
34
|
31
|
15
|
23
|
36
|
26
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
91 |
| DIC Corporation | 3961 |
14 |
| Resonac Corporation | 3516 |
14 |
| Sumitomo Chemical Company, Limited | 8996 |
13 |
| Kuraray Co., Ltd. | 3589 |
13 |
| Showa Denko K.K. | 2072 |
12 |
| Toagosei Co., Ltd. | 1026 |
11 |
| Toray Industries, Inc. | 7096 |
10 |
| Nippon Kayaku Kabushiki Kaisha | 1454 |
9 |
| Daikin Industries, Ltd. | 10478 |
8 |
| Denka Company Limited | 2712 |
7 |
| Nippon Shokubai Co., Ltd. | 1537 |
7 |
| Sumitomo Bakelite Co., Ltd. | 1533 |
7 |
| LG Chem, Ltd. | 17921 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
6 |
| Mitsubishi Chemical Corporation | 4721 |
6 |
| Central Glass Company, Limited | 1291 |
6 |
| Osaka Organic Chemical Industry Ltd. | 141 |
6 |
| Hitachi Chemical Company, Ltd. | 2245 |
5 |
| Asahi Glass Company, Limited | 2625 |
4 |
| Other owners | 104 |