- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/46 - Control electrodes, e.g. grid; Auxiliary electrodes
Patent holdings for IPC class H01J 1/46
Total number of patents in this class: 54
10-year publication summary
4
|
2
|
2
|
0
|
7
|
4
|
2
|
3
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hon Hai Precision Industry Co., Ltd. | 4157 |
5 |
Tsinghua University | 5426 |
5 |
Modern Electron, Inc. | 40 |
5 |
NCX Corporation | 33 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
Hamamatsu Photonics K.K. | 4161 |
2 |
Mapper Lithography IP B.V. | 136 |
2 |
Modern Electron, LLC | 5 |
2 |
Siemens AG | 24990 |
1 |
LG Electronics Inc. | 69257 |
1 |
Hitachi, Ltd. | 16452 |
1 |
Hitachi High-Technologies Corporation | 2034 |
1 |
Motorola, Inc. | 2873 |
1 |
Shimadzu Corporation | 5791 |
1 |
Fujikura Ltd. | 2777 |
1 |
Canon Anelva Corporation | 676 |
1 |
Communications & Power Industries, Inc. | 3 |
1 |
e Ink Holdings Inc. | 571 |
1 |
Elwha LLC | 442 |
1 |
Forschungszentrum Juelich GmbH | 112 |
1 |
Other owners | 16 |