- 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: 765
10-year publication summary
|
67
|
74
|
51
|
63
|
58
|
61
|
40
|
36
|
50
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 17783 |
46 |
| Varex Imaging Corporation | 298 |
37 |
| Siemens Healthineers AG | 6339 |
35 |
| Electronics and Telecommunications Research Institute | 9012 |
29 |
| Canon Electron Tubes & Devices Co., Ltd. | 163 |
23 |
| Meidensha Corporation | 854 |
22 |
| Koninklijke Philips N.V. | 23971 |
21 |
| MOXTEK, Inc. | 217 |
20 |
| Nuctech Company Limited | 1347 |
20 |
| Hamamatsu Photonics K.K. | 4304 |
19 |
| Koninklijke Philips Electronics N.V. | 10889 |
17 |
| Tsinghua University | 5700 |
16 |
| Philips Intellectual Property & Standards GmbH | 2114 |
15 |
| GE Precision Healthcare LLC | 1897 |
14 |
| Nano-x Imaging Ltd | 17 |
11 |
| Canon Inc. | 38114 |
10 |
| Shimadzu Corporation | 6010 |
9 |
| Adaptix Limited | 72 |
9 |
| Massachusetts Institute of Technology | 9912 |
7 |
| FUJIFILM Corporation | 28555 |
6 |
| Other owners | 379 |