- 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: 82
10-year publication summary
|
9
|
6
|
7
|
12
|
7
|
11
|
4
|
9
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peking University | 1111 |
5 |
| International Business Machines Corporation | 60644 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
| Elve Inc. | 13 |
4 |
| Tsinghua University | 5426 |
3 |
| Modern Electron, Inc. | 40 |
3 |
| NCX Corporation | 33 |
3 |
| General Electric Company | 18133 |
2 |
| Schlumberger Technology Corporation | 9690 |
2 |
| Applied Materials Israel, Ltd. | 549 |
2 |
| Electronics and Telecommunications Research Institute | 8830 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
2 |
| Evince Technology Limited | 10 |
2 |
| NuFlare Technology, Inc. | 770 |
2 |
| Varex Imaging Corporation | 294 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 61 |
2 |
| Hitachi High-Tech Corporation | 4424 |
2 |
| 3m Innovative Properties Company | 18406 |
1 |
| LG Display Co., Ltd. | 11907 |
1 |
| Other owners | 32 |