- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/18 - Assembling together the component parts of electrode systems
Patent holdings for IPC class H01J 9/18
Total number of patents in this class: 99
10-year publication summary
|
7
|
12
|
7
|
11
|
4
|
9
|
7
|
9
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elve Inc. | 36 |
11 |
| Peking University | 1419 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
4 |
| Genexa Inc. | 33 |
4 |
| NCX Corporation | 39 |
4 |
| International Business Machines Corporation | 62279 |
3 |
| Tsinghua University | 6112 |
3 |
| Varex Imaging Corporation | 326 |
3 |
| GE Precision Healthcare LLC | 5699 |
3 |
| Applied Materials Israel, Ltd. | 648 |
2 |
| Electronics and Telecommunications Research Institute | 9534 |
2 |
| The Trustees of the University of Pennsylvania | 4406 |
2 |
| Boe Technology Group Co., Ltd. | 43120 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3918 |
2 |
| Evince Technology Limited | 10 |
2 |
| NuFlare Technology, Inc. | 909 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 59 |
2 |
| Spark Thermonics, Inc. | 23 |
2 |
| Hitachi High-Tech Corporation | 5669 |
2 |
| Shanghai Advanced Inspection Technology Co., Ltd | 16 |
2 |
| Other owners | 37 |