- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/00 - X-ray tubes
Patent holdings for IPC class H01J 35/00
Total number of patents in this class: 247
10-year publication summary
|
26
|
18
|
13
|
21
|
11
|
9
|
4
|
6
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Precision Healthcare LLC | 5508 |
15 |
| Canon Inc. | 40555 |
13 |
| Schlumberger Technology Corporation | 10914 |
10 |
| Siemens Healthineers AG | 6773 |
9 |
| Koninklijke Philips N.V. | 24932 |
8 |
| Hamamatsu Photonics K.K. | 4461 |
8 |
| Electronics and Telecommunications Research Institute | 9464 |
5 |
| American Science and Engineering, Inc. | 106 |
5 |
| Tribo Labs | 13 |
5 |
| The Regents of the University of California | 20137 |
4 |
| Varex Imaging Corporation | 306 |
4 |
| FUJIFILM Corporation | 29702 |
3 |
| Wisconsin Alumni Research Foundation | 3887 |
3 |
| Canon Anelva Corporation | 683 |
3 |
| The Institute of Cancer Research: Royal Cancer Hospital | 184 |
3 |
| NanoRay Biotech Co., Ltd. | 13 |
3 |
| Newton Scientific, Inc. | 5 |
3 |
| Varian Medical Systems, Inc. | 863 |
3 |
| Canon Electron Tubes & Devices Co., Ltd. | 166 |
3 |
| General Electric Company | 13859 |
2 |
| Other owners | 135 |