- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/38 - Control electrodes, e.g. grid
Patent holdings for IPC class H01J 19/38
Total number of patents in this class: 32
10-year publication summary
|
5
|
2
|
4
|
4
|
1
|
0
|
1
|
0
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4018 |
3 |
| Tsinghua University | 6259 |
3 |
| Noritake Itron Corporation | 27 |
3 |
| Modern Hydrogen, Inc. | 25 |
3 |
| Evince Technology Limited | 7 |
2 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1729 |
2 |
| Samsung Electronics Co., Ltd. | 159755 |
1 |
| Electronics and Telecommunications Research Institute | 9718 |
1 |
| Boe Technology Group Co., Ltd. | 44771 |
1 |
| Advanced Fusion Systems LLC | 69 |
1 |
| Applied Physics Technologies, Inc. | 15 |
1 |
| Calabazas Creek Research, Inc. | 11 |
1 |
| Oregon Physics, LLC | 12 |
1 |
| Peking University | 1481 |
1 |
| SELEX ES S.p.A. | 41 |
1 |
| Southeast University | 1591 |
1 |
| Varian Medical Systems, Inc. | 928 |
1 |
| Wisys Technology Foundation, Inc. | 143 |
1 |
| Zapadoceska Univerzita V Plzni | 67 |
1 |
| Beijing BOE Vacuum Technology Co., Ltd. | 1 |
1 |
| Other owners | 2 |