- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/12 - Cooling non-rotary anodes
Patent holdings for IPC class H01J 35/12
Total number of patents in this class: 190
10-year publication summary
|
11
|
7
|
20
|
23
|
14
|
31
|
11
|
8
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuctech Company Limited | 1422 |
11 |
| Varex Imaging Corporation | 305 |
8 |
| King Fahd University of Petroleum and Minerals | 1259 |
7 |
| Sigray, Inc. | 83 |
7 |
| Siemens Healthineers AG | 6724 |
7 |
| GE Precision Healthcare LLC | 5504 |
7 |
| Tsinghua University | 5943 |
6 |
| Hamamatsu Photonics K.K. | 4441 |
6 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
6 |
| General Electric Company | 13827 |
4 |
| Canon Inc. | 40280 |
4 |
| Excillum AB | 72 |
4 |
| Meidensha Corporation | 896 |
4 |
| MOXTEK, Inc. | 223 |
4 |
| Koninklijke Philips N.V. | 24827 |
3 |
| Koninklijke Philips Electronics N.V. | 9431 |
3 |
| Massachusetts Institute of Technology | 10093 |
3 |
| NorthStar Medical Technologies, LLC | 42 |
3 |
| PLANSEE SE | 232 |
3 |
| Rapiscan Systems, Inc. | 291 |
3 |
| Other owners | 87 |