- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/04 - Electrodes
Patent holdings for IPC class H01J 35/04
Total number of patents in this class: 174
10-year publication summary
|
11
|
13
|
19
|
13
|
13
|
8
|
9
|
9
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electronics and Telecommunications Research Institute | 9465 |
11 |
| Nikon Metrology, NV | 66 |
9 |
| Varian Medical Systems, Inc. | 865 |
9 |
| Schlumberger Technology Corporation | 10994 |
8 |
| Canon Inc. | 40862 |
7 |
| Koninklijke Philips Electronics N.V. | 8975 |
5 |
| Tsinghua University | 5997 |
5 |
| Nanovision Technology (Beijing) Co., Ltd | 33 |
5 |
| Nuctech Company Limited | 1426 |
5 |
| Siemens Healthineers AG | 6790 |
5 |
| Philips Intellectual Property & Standards GmbH | 1841 |
5 |
| Siemens AG | 24344 |
4 |
| LG Electronics Inc. | 73619 |
4 |
| Shimadzu Corporation | 6224 |
4 |
| Varex Imaging Corporation | 310 |
4 |
| The Regents of the University of California | 20230 |
3 |
| Koninklijke Philips N.V. | 25074 |
3 |
| Hamamatsu Photonics K.K. | 4478 |
3 |
| Excillum AB | 72 |
3 |
| SRI International | 997 |
3 |
| Other owners | 69 |