- 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: 36
10-year publication summary
5
|
3
|
5
|
2
|
4
|
4
|
1
|
0
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Modern Electron, Inc. | 40 |
5 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
3 |
Tsinghua University | 5426 |
3 |
Noritake Co., Limited | 224 |
3 |
Noritake Itron Corporation | 27 |
3 |
Evince Technology Limited | 10 |
2 |
Korg Inc. | 68 |
2 |
Semiconductor Manufacturing International (Shanghai) Corporation | 1764 |
2 |
Samsung Electronics Co., Ltd. | 131630 |
1 |
Electronics and Telecommunications Research Institute | 8830 |
1 |
Boe Technology Group Co., Ltd. | 35384 |
1 |
Advanced Fusion Systems LLC | 66 |
1 |
Applied Physics Technologies, Inc. | 12 |
1 |
Calabazas Creek Research, Inc. | 12 |
1 |
Oregon Physics, LLC | 5 |
1 |
SELEX ES S.p.A. | 42 |
1 |
Varian Medical Systems, Inc. | 850 |
1 |
Wisys Technology Foundation, Inc. | 132 |
1 |
Zapadoceska Univerzita V Plzni | 56 |
1 |
Beijing BOE Vacuum Technology Co., Ltd. | 1 |
1 |
Other owners | 1 |