- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor
- G21F 9/30 - Processing
Patent holdings for IPC class G21F 9/30
Total number of patents in this class: 468
10-year publication summary
|
55
|
37
|
36
|
28
|
30
|
34
|
35
|
25
|
32
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
39 |
| Korea Hydro & Nuclear Power Co., Ltd. | 409 |
25 |
| Framatome GmbH | 251 |
14 |
| Korea Atomic Energy Research Institute | 426 |
10 |
| Westinghouse Electric Company LLC | 1115 |
10 |
| Orano Recyclage | 62 |
9 |
| Areva NC | 134 |
8 |
| GE-Hitachi Nuclear Energy Americas LLC | 416 |
8 |
| Electricite de France | 715 |
7 |
| Hitachi-GE Nuclear Energy, Ltd. | 273 |
7 |
| ALD Vacuum Technologies GmbH | 140 |
6 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 360 |
6 |
| Ukima Chemicals & Color Mfg. Co., Ltd. | 28 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
5 |
| KEPCO Nuclear Fuel Co., Ltd. | 136 |
5 |
| PCS Co., Ltd. | 8 |
5 |
| GeoRoc International, Inc. | 10 |
5 |
| Hitachi, Ltd. | 15226 |
4 |
| Areva GmbH | 90 |
4 |
| C-Tech Innovation Limited | 23 |
4 |
| Other owners | 281 |