- 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
|
3
|
2
|
0
|
1
|
0
|
1
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| California Institute of Technology | 4016 |
2 |
| Samsung Electronics Co., Ltd. | 154406 |
1 |
| Applied Materials, Inc. | 20085 |
1 |
| Tokyo Electron Limited | 13561 |
1 |
| Lam Research Corporation | 5544 |
1 |
| Advanced Fusion Systems LLC | 66 |
1 |
| Daegu Gyeongbuk Institute of Science & Technology | 35 |
1 |
| Ushio Denki Kabushiki Kaisha | 1208 |
1 |
| Shaanxi University of Science and Technology | 56 |
1 |
| Signify Holding B.V. | 7914 |
1 |
| GE Precision Healthcare LLC | 5699 |
1 |
| Other owners | 0 |