- 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: 921
10-year publication summary
|
83
|
78
|
57
|
71
|
54
|
48
|
34
|
25
|
26
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koninklijke Philips N.V. | 25344 |
63 |
| GE Precision Healthcare LLC | 5602 |
41 |
| Siemens Healthineers AG | 6883 |
28 |
| Shanghai United Imaging Healthcare Co., Ltd. | 2003 |
22 |
| Nuctech Company Limited | 1435 |
18 |
| Siemens Medical Solutions USA, Inc. | 1482 |
17 |
| Tsinghua University | 6065 |
16 |
| Koninklijke Philips Electronics N.V. | 8392 |
15 |
| General Electric Company | 13773 |
13 |
| Siemens Healthineers International AG | 564 |
11 |
| Samsung Electronics Co., Ltd. | 151303 |
10 |
| GE Medical Systems Global Technology Company, LLC | 226 |
10 |
| Philips Intellectual Property & Standards GmbH | 1773 |
10 |
| Canon Inc. | 41645 |
9 |
| Varian Medical Systems, Inc. | 881 |
9 |
| Elekta AB (Publ) | 296 |
9 |
| Toshiba Medical Systems Corporation | 2098 |
8 |
| FUJIFILM Corporation | 30016 |
8 |
| ControlRad Systems, Inc. | 29 |
8 |
| Hologic, Inc. | 1158 |
8 |
| Other owners | 588 |