- 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: 791
10-year publication summary
|
65
|
74
|
50
|
63
|
58
|
60
|
38
|
36
|
48
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Precision Healthcare LLC | 5504 |
61 |
| Varex Imaging Corporation | 305 |
41 |
| Siemens Healthineers AG | 6724 |
36 |
| Electronics and Telecommunications Research Institute | 9416 |
29 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
24 |
| Hamamatsu Photonics K.K. | 4441 |
22 |
| Meidensha Corporation | 896 |
22 |
| Koninklijke Philips N.V. | 24827 |
21 |
| MOXTEK, Inc. | 223 |
21 |
| Nuctech Company Limited | 1422 |
20 |
| Koninklijke Philips Electronics N.V. | 9431 |
17 |
| Tsinghua University | 5943 |
16 |
| Philips Intellectual Property & Standards GmbH | 1897 |
15 |
| Nano-x Imaging Ltd | 19 |
12 |
| Canon Inc. | 40280 |
10 |
| Shimadzu Corporation | 6187 |
10 |
| Adaptix Limited | 81 |
9 |
| Massachusetts Institute of Technology | 10093 |
7 |
| Vatech Co., Ltd. | 169 |
7 |
| NCX Corporation | 38 |
7 |
| Other owners | 384 |