- 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: 806
10-year publication summary
|
74
|
51
|
63
|
58
|
61
|
40
|
36
|
47
|
63
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Precision Healthcare LLC | 5826 |
63 |
| Varex Imaging Corporation | 335 |
43 |
| Siemens Healthineers AG | 7082 |
42 |
| Electronics and Telecommunications Research Institute | 9684 |
30 |
| Canon Electron Tubes & Devices Co., Ltd. | 167 |
26 |
| Meidensha Corporation | 934 |
25 |
| Koninklijke Philips N.V. | 25938 |
22 |
| MOXTEK, Inc. | 224 |
22 |
| Nuctech Company Limited | 1479 |
20 |
| Hamamatsu Photonics K.K. | 4697 |
18 |
| Tsinghua University | 6233 |
16 |
| Koninklijke Philips Electronics N.V. | 7277 |
15 |
| Nano-x Imaging Ltd | 22 |
14 |
| Philips Intellectual Property & Standards GmbH | 1601 |
13 |
| Shimadzu Corporation | 6364 |
11 |
| Canon Inc. | 44051 |
10 |
| Vatech Co., Ltd. | 180 |
8 |
| NCX Corporation | 39 |
8 |
| LG Electronics Inc. | 75855 |
7 |
| Massachusetts Institute of Technology | 10282 |
7 |
| Other owners | 386 |