- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor
- G21F 1/04 - Concretes; Other hydraulic hardening materials
Patent holdings for IPC class G21F 1/04
Total number of patents in this class: 59
10-year publication summary
|
4
|
5
|
6
|
2
|
1
|
6
|
10
|
6
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yoshino Gypsum Co., Ltd. | 238 |
4 |
| Taiheiyo Cement Corporation | 237 |
3 |
| Tecnium, LLC | 10 |
3 |
| Tokamak Energy Ltd | 180 |
3 |
| Generative Technology Operatives, LLC | 5 |
3 |
| Raytheon Company | 8438 |
2 |
| University of Florida Research Foundation, Inc. | 3952 |
2 |
| Fluorchemie GmbH Frankfurt | 16 |
2 |
| Ingecid, Investigación y Desarrollo de Proyectos, S.L. | 23 |
2 |
| Mirrotron Kft. | 8 |
2 |
| Toshiba Materials Co., Ltd. | 627 |
2 |
| Veritas Medical Solutions LLC | 17 |
2 |
| Council of Scientific and Industrial Research, an Indian registered Body Incorporated under The Regn. of Soc. ACT (act XXI of 1860) | 80 |
2 |
| Toshiba Corporation | 12037 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10682 |
1 |
| Arraela, S. L. | 1 |
1 |
| Corelex San-ei Co., Ltd. | 2 |
1 |
| Council of Scientific & Industrial Research | 1407 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 651 |
1 |
| High Energy Accelerator Research Organization | 9 |
1 |
| Other owners | 20 |