- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 21/36 - Tubes with flat electrodes, e.g. disc electrode
Patent holdings for IPC class H01J 21/36
Total number of patents in this class: 4
10-year publication summary
|
1
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4161 |
1 |
| Shenzhen Bencent Electronics Co., Ltd. | 16 |
1 |
| Triad National Security, LLC | 580 |
1 |
| Modern Electron, Inc. | 40 |
1 |
| Other owners | 0 |