- All sections
- C - Chemistrymetallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 11/22 - Fluorides
Patent holdings for IPC class C01F 11/22
Total number of patents in this class: 134
10-year publication summary
|
4
|
7
|
9
|
11
|
4
|
10
|
5
|
6
|
16
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nikon Corporation | 7259 |
11 |
| Tohoku University | 2955 |
5 |
| Daikin Industries, Ltd. | 10452 |
4 |
| Gem Co., Ltd. | 356 |
4 |
| Tokuyama Corporation | 1470 |
4 |
| Jingmen Gem CO., Ltd | 102 |
4 |
| Fluorsid S.p.A. | 10 |
4 |
| Honda Motor Co., Ltd. | 25971 |
3 |
| Central Glass Company, Limited | 1293 |
3 |
| Mitsubishi Materials Corporation | 2467 |
3 |
| Nihon Kessho Kogaku Co., Ltd. | 19 |
3 |
| 3m Innovative Properties Company | 17478 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33834 |
2 |
| California Institute of Technology | 4030 |
2 |
| The Regents of the University of Michigan | 4958 |
2 |
| Denka Company Limited | 2710 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1257 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1221 |
2 |
| Mitsui Mining & Smelting Co., Ltd. | 1342 |
2 |
| Nanofluor GmbH | 6 |
2 |
| Other owners | 68 |