- All sections
- G - Physics
- G21K - Techniques for handling particles or ionising radiation not otherwise provided forirradiation devicesgamma ray or x-ray microscopes
- G21K 1/02 - Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
Patent holdings for IPC class G21K 1/02
Total number of patents in this class: 929
10-year publication summary
|
70
|
85
|
78
|
59
|
74
|
55
|
48
|
35
|
25
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 24750 |
62 |
| GE Precision Healthcare LLC | 5468 |
41 |
| Siemens Healthineers AG | 6686 |
28 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1917 |
21 |
| Nuctech Company Limited | 1422 |
20 |
| Koninklijke Philips Electronics N.V. | 9564 |
18 |
| Tsinghua University | 5937 |
18 |
| Siemens Medical Solutions USA, Inc. | 1515 |
17 |
| Accuray Incorporated | 376 |
14 |
| General Electric Company | 13808 |
13 |
| Philips Intellectual Property & Standards GmbH | 1920 |
12 |
| Siemens Healthineers International AG | 545 |
11 |
| Samsung Electronics Co., Ltd. | 146534 |
10 |
| GE Medical Systems Global Technology Company, LLC | 251 |
10 |
| Canon Inc. | 40015 |
9 |
| Varian Medical Systems, Inc. | 863 |
9 |
| Toshiba Medical Systems Corporation | 2122 |
8 |
| FUJIFILM Corporation | 29424 |
8 |
| ControlRad Systems, Inc. | 30 |
8 |
| Hologic, Inc. | 1125 |
8 |
| Other owners | 584 |