- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/06 - Cathodes
Patent holdings for IPC class H01J 35/06
Total number of patents in this class: 738
10-year publication summary
|
70
|
67
|
74
|
51
|
63
|
58
|
61
|
40
|
32
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 18133 |
47 |
| Varex Imaging Corporation | 294 |
37 |
| Siemens Healthineers AG | 5714 |
33 |
| Electronics and Telecommunications Research Institute | 8830 |
29 |
| Canon Electron Tubes & Devices Co., Ltd. | 154 |
22 |
| Koninklijke Philips N.V. | 22975 |
20 |
| MOXTEK, Inc. | 219 |
20 |
| Nuctech Company Limited | 1275 |
20 |
| Meidensha Corporation | 823 |
19 |
| Koninklijke Philips Electronics N.V. | 13133 |
18 |
| Hamamatsu Photonics K.K. | 4161 |
18 |
| Tsinghua University | 5426 |
16 |
| Philips Intellectual Property & Standards GmbH | 2395 |
16 |
| Canon Inc. | 36841 |
10 |
| Shimadzu Corporation | 5791 |
10 |
| GE Precision Healthcare LLC | 1580 |
10 |
| Adaptix Limited | 68 |
9 |
| Nano-x Imaging Ltd | 13 |
9 |
| Massachusetts Institute of Technology | 9795 |
7 |
| Thales SA | 2318 |
6 |
| Other owners | 362 |