- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/02 - X-ray tubes - Details
Patent holdings for IPC class H01J 35/02
Total number of patents in this class: 237
10-year publication summary
|
26
|
19
|
20
|
21
|
25
|
8
|
13
|
17
|
6
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
17 |
| MOXTEK, Inc. | 219 |
11 |
| Varex Imaging Corporation | 294 |
10 |
| Canon Inc. | 36841 |
8 |
| Nikon Metrology, NV | 69 |
8 |
| Schlumberger Technology Corporation | 9690 |
7 |
| Siemens Healthineers AG | 5714 |
7 |
| Illinois Tool Works Inc. | 11152 |
5 |
| The Regents of the University of California | 18943 |
5 |
| Koninklijke Philips N.V. | 22975 |
5 |
| GE Precision Healthcare LLC | 1580 |
5 |
| Thermo Scientific Portable Analytical Instruments Inc. | 114 |
4 |
| Hamamatsu Photonics K.K. | 4161 |
4 |
| Excillum AB | 63 |
4 |
| Nanovision Technology (Beijing) Co., Ltd | 22 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1569 |
4 |
| Vatech Co., Ltd. | 166 |
4 |
| Vatech Ewoo Holdings Co., Ltd. | 193 |
4 |
| Visuray Intech Ltd (BVI) | 25 |
4 |
| Tribo Labs | 13 |
4 |
| Other owners | 113 |