- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/18 - Windows
Patent holdings for IPC class H01J 35/18
Total number of patents in this class: 264
10-year publication summary
|
19
|
24
|
14
|
28
|
23
|
35
|
20
|
21
|
25
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MOXTEK, Inc. | 222 |
37 |
| Hamamatsu Photonics K.K. | 4411 |
17 |
| Canon Inc. | 39765 |
14 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
12 |
| Excillum AB | 70 |
10 |
| HS Foils Oy | 10 |
8 |
| Sigray, Inc. | 79 |
8 |
| Canon Anelva Corporation | 686 |
7 |
| King Fahd University of Petroleum and Minerals | 1173 |
7 |
| Varex Imaging Corporation | 303 |
6 |
| Canon Kabushiki Kaisha | 7050 |
6 |
| Imagine Scientific, Inc. | 24 |
6 |
| The Boeing Company | 20048 |
4 |
| Massachusetts Institute of Technology | 10041 |
4 |
| Rigaku Corporation | 434 |
4 |
| AMETEK Finland Oy | 6 |
4 |
| Siemens Healthineers AG | 6667 |
4 |
| GE Precision Healthcare LLC | 5446 |
4 |
| FUJIFILM Corporation | 29329 |
3 |
| Shanghai United Imaging Healthcare Co., Ltd. | 1901 |
3 |
| Other owners | 96 |