- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 35/16 - Vessels; Containers; Shields associated therewith
Patent holdings for IPC class H01J 35/16
Total number of patents in this class: 402
10-year publication summary
|
35
|
30
|
34
|
44
|
33
|
23
|
30
|
24
|
13
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 36841 |
23 |
| Hamamatsu Photonics K.K. | 4161 |
22 |
| General Electric Company | 18133 |
15 |
| MOXTEK, Inc. | 219 |
14 |
| Nikon Metrology, NV | 69 |
13 |
| Electronics and Telecommunications Research Institute | 8830 |
12 |
| Nuctech Company Limited | 1275 |
12 |
| Siemens Healthineers AG | 5714 |
12 |
| Canon Electron Tubes & Devices Co., Ltd. | 154 |
11 |
| Koninklijke Philips N.V. | 22975 |
10 |
| Varex Imaging Corporation | 294 |
10 |
| Tsinghua University | 5426 |
8 |
| Meidensha Corporation | 823 |
7 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 56 |
7 |
| Koninklijke Philips Electronics N.V. | 13133 |
6 |
| Canon Anelva Corporation | 676 |
6 |
| Sunje Hi-Tek Co., LTD. | 34 |
6 |
| Vatech Co., Ltd. | 166 |
6 |
| Canon Kabushiki Kaisha | 6884 |
6 |
| Hitachi Medical Corporation | 713 |
5 |
| Other owners | 191 |