- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor
- G21F 9/12 - Processing by ion-exchange
Patent holdings for IPC class G21F 9/12
Total number of patents in this class: 507
10-year publication summary
44
|
58
|
55
|
54
|
50
|
28
|
29
|
31
|
23
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Chemical Industrial Co., Ltd. | 267 |
26 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
23 |
Ebara Corporation | 1951 |
15 |
Korea Atomic Energy Research Institute | 418 |
13 |
Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 354 |
12 |
Hitachi-GE Nuclear Energy, Ltd. | 261 |
12 |
Ukima Chemicals & Color Mfg. Co., Ltd. | 28 |
12 |
Veolia Nuclear Solutions Inc. | 52 |
10 |
Framatome GmbH | 246 |
9 |
Centre National de La Recherche Scientifique | 9632 |
8 |
Titan Kogyo Kabushiki Kaisha | 28 |
8 |
Battelle Savannah River Alliance, LLC | 192 |
8 |
Tsinghua University | 5426 |
7 |
Tosoh Corporation | 1127 |
7 |
Avantech, LLC | 15 |
7 |
Perma-Fix Environmental Services, Inc. | 17 |
6 |
Universite de Montpellier | 920 |
6 |
Kurita Water Industries Ltd. | 1110 |
5 |
National Technology & Engineering Solutions of Sandia, LLC | 1851 |
5 |
P&T Global Solutions, LLC | 19 |
5 |
Other owners | 303 |