- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 21/02 - Tubes with a single discharge path
Patent holdings for IPC class H01J 21/02
Total number of patents in this class: 12
10-year publication summary
|
1
|
0
|
3
|
2
|
0
|
1
|
0
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| California Institute of Technology | 3884 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| General Electric Company | 18133 |
1 |
| Tokyo Electron Limited | 11599 |
1 |
| Lam Research Corporation | 4775 |
1 |
| Advanced Fusion Systems LLC | 66 |
1 |
| Daegu Gyeongbuk Institute of Science & Technology | 31 |
1 |
| Ushio Denki Kabushiki Kaisha | 1088 |
1 |
| Shaanxi University of Science and Technology | 48 |
1 |
| Signify Holding B.V. | 6837 |
1 |
| Beakon Technologies AB | 1 |
1 |
| Other owners | 0 |