- 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: 164
10-year publication summary
|
20
|
8
|
12
|
12
|
8
|
10
|
6
|
10
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
14 |
| Koninklijke Philips Electronics N.V. | 13133 |
13 |
| Koninklijke Philips N.V. | 22975 |
11 |
| Varex Imaging Corporation | 294 |
11 |
| Excillum AB | 63 |
10 |
| Philips Intellectual Property & Standards GmbH | 2395 |
8 |
| Hamamatsu Photonics K.K. | 4161 |
7 |
| Siemens Healthineers AG | 5714 |
6 |
| Adaptix Limited | 68 |
5 |
| American Science and Engineering, Inc. | 112 |
4 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1569 |
4 |
| Sigray, Inc. | 68 |
4 |
| Empyrean Medical Systems, Inc. | 19 |
4 |
| Toshiba Medical Systems Corporation | 2236 |
2 |
| Wisconsin Alumni Research Foundation | 3774 |
2 |
| Tsinghua University | 5426 |
2 |
| Canon Anelva Corporation | 676 |
2 |
| Carl Zeiss Meditec AG | 1541 |
2 |
| Helmholtz-Zentrum Dresden-Rossendorf e.V. | 122 |
2 |
| Helmut Fischer GmbH Institut fur Elektronik und Messtechnik | 154 |
2 |
| Other owners | 49 |