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  • All sections
  • G - Physics
  • G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreating radioactively contaminated materialdecontamination arrangements therefor
  • G21F 9/12 - Processing by absorptionProcessing by adsorptionProcessing by ion-exchange

Patent holdings for IPC class G21F 9/12

Total number of patents in this class: 528

10-year publication summary

58
55
54
50
28
30
30
25
11
13
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
10923
26
Nippon Chemical Industrial Co., Ltd.
282
26
Ebara Corporation
2167
15
Hitachi-GE Nuclear Energy, Ltd.
282
13
Korea Atomic Energy Research Institute
434
13
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
370
12
Ukima Chemicals & Color Mfg. Co., Ltd.
28
12
Veolia Nuclear Solutions Inc.
61
11
Framatome GmbH
249
10
Centre National de La Recherche Scientifique
10421
8
Titan Kogyo Kabushiki Kaisha
31
8
Battelle Savannah River Alliance, LLC
217
8
Tsinghua University
5919
7
Tosoh Corporation
1285
7
Avantech, LLC
14
7
Perma-Fix Environmental Services, Inc.
28
6
Universite de Montpellier
986
6
Kurita Water Industries Ltd.
1193
5
National Technology & Engineering Solutions of Sandia, LLC
1899
5
P&T Global Solutions, LLC
18
5
Other owners 318

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