- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/30 - Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof by deflection of the cathode ray
Patent holdings for IPC class H01J 35/30
Total number of patents in this class: 172
10-year publication summary
|
8
|
12
|
12
|
8
|
10
|
6
|
10
|
8
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Precision Healthcare LLC | 5565 |
12 |
| Koninklijke Philips N.V. | 25172 |
11 |
| Koninklijke Philips Electronics N.V. | 8776 |
11 |
| Varex Imaging Corporation | 315 |
11 |
| Hamamatsu Photonics K.K. | 4499 |
10 |
| Excillum AB | 73 |
10 |
| Philips Intellectual Property & Standards GmbH | 1823 |
8 |
| Siemens Healthineers AG | 6824 |
6 |
| Empyrean Medical Systems, Inc. | 23 |
6 |
| Adaptix Limited | 80 |
5 |
| American Science and Engineering, Inc. | 104 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1971 |
4 |
| Sigray, Inc. | 86 |
4 |
| Varian Medical Systems, Inc. | 866 |
4 |
| Canon Anelva Corporation | 690 |
3 |
| General Electric Company | 13830 |
2 |
| Toshiba Medical Systems Corporation | 2106 |
2 |
| Wisconsin Alumni Research Foundation | 3894 |
2 |
| Tsinghua University | 6023 |
2 |
| Carl Zeiss Meditec AG | 1645 |
2 |
| Other owners | 53 |