- 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: 87
10-year publication summary
10
|
7
|
11
|
6
|
4
|
6
|
12
|
7
|
5
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Amgen Inc. | 3779 |
4 |
Hitachi, Ltd. | 16452 |
3 |
Nippon Electric Glass Co., Ltd. | 2299 |
3 |
Ohara Inc. | 200 |
3 |
Nippon Fiber Corporation | 29 |
3 |
Co-Operations, Inc. | 5 |
2 |
Daico MFG Co., Ltd. | 10 |
2 |
Dowa Electronics Materials Co., Ltd. | 610 |
2 |
Dowa F-tec Co., Ltd. | 15 |
2 |
Fluorchemie GmbH Frankfurt | 16 |
2 |
Grancrete, Inc. | 5 |
2 |
Mitsuishi Taika Renga Kabushiki Kaisha | 2 |
2 |
The Research Foundation for The State University of New York | 1468 |
2 |
Sumita Optical Glass, Inc. | 42 |
2 |
Techno Eye Corporation | 3 |
2 |
University of Tsukuba | 561 |
2 |
Yoshino Gypsum Co., Ltd. | 224 |
2 |
Ultra Safe Nuclear Corporation | 105 |
2 |
Orano Recyclage | 57 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Other owners | 42 |