- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/08 - Anodes; Anticathodes
Patent holdings for IPC class H01J 35/08
Total number of patents in this class: 557
10-year publication summary
|
58
|
50
|
51
|
40
|
56
|
45
|
42
|
40
|
27
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
37 |
| Hamamatsu Photonics K.K. | 4161 |
30 |
| Excillum AB | 63 |
28 |
| General Electric Company | 18133 |
25 |
| Varex Imaging Corporation | 294 |
18 |
| MOXTEK, Inc. | 219 |
17 |
| Canon Kabushiki Kaisha | 6884 |
17 |
| Varian Medical Systems, Inc. | 850 |
15 |
| Sigray, Inc. | 68 |
14 |
| Siemens AG | 24990 |
13 |
| Nuctech Company Limited | 1275 |
13 |
| Canon Anelva Corporation | 676 |
12 |
| Siemens Healthineers AG | 5714 |
12 |
| Canon Electron Tubes & Devices Co., Ltd. | 154 |
11 |
| Tsinghua University | 5426 |
9 |
| Koninklijke Philips N.V. | 22975 |
7 |
| Electronics and Telecommunications Research Institute | 8830 |
7 |
| Rapiscan Systems, Inc. | 300 |
6 |
| Imagine Scientific, Inc. | 22 |
6 |
| Tokyo Electron Limited | 11599 |
5 |
| Other owners | 255 |