- All sections
- G - Physics
- G21F - Protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor
- G21F 1/06 - Ceramics; Glasses; Refractories
Patent holdings for IPC class G21F 1/06
Total number of patents in this class: 91
10-year publication summary
|
7
|
11
|
6
|
4
|
6
|
12
|
7
|
5
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amgen Inc. | 3900 |
4 |
| Nippon Fiber Corporation | 33 |
4 |
| Hitachi, Ltd. | 15220 |
3 |
| Nippon Electric Glass Co., Ltd. | 2394 |
3 |
| Ohara Inc. | 213 |
3 |
| Co-Operations, Inc. | 5 |
2 |
| Daico MFG Co., Ltd. | 10 |
2 |
| Dowa Electronics Materials Co., Ltd. | 621 |
2 |
| Dowa F-tec Co., Ltd. | 15 |
2 |
| Fluorchemie GmbH Frankfurt | 16 |
2 |
| Grancrete, Inc. | 4 |
2 |
| Mitsuishi Taika Renga Kabushiki Kaisha | 2 |
2 |
| The Research Foundation for The State University of New York | 1550 |
2 |
| Sumita Optical Glass, Inc. | 41 |
2 |
| Techno Eye Corporation | 3 |
2 |
| University of Tsukuba | 589 |
2 |
| Yoshino Gypsum Co., Ltd. | 238 |
2 |
| Ultra Safe Nuclear Corporation | 105 |
2 |
| SuperMetalix, Inc. | 14 |
2 |
| Gürok Holding B.V. | 8 |
2 |
| Other owners | 44 |