- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/46 - Control electrodes, e.g. gridAuxiliary electrodes
Patent holdings for IPC class H01J 1/46
Total number of patents in this class: 55
10-year publication summary
|
2
|
2
|
0
|
7
|
4
|
2
|
3
|
3
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4031 |
5 |
| Tsinghua University | 5966 |
5 |
| Modern Hydrogen, Inc. | 34 |
5 |
| NCX Corporation | 38 |
3 |
| Samsung Electronics Co., Ltd. | 147787 |
2 |
| Hamamatsu Photonics K.K. | 4464 |
2 |
| Mapper Lithography IP B.V. | 132 |
2 |
| Modern Electron, LLC | 5 |
2 |
| Siemens AG | 24352 |
1 |
| LG Electronics Inc. | 73588 |
1 |
| Hitachi, Ltd. | 15588 |
1 |
| Hitachi High-Technologies Corporation | 1998 |
1 |
| Shimadzu Corporation | 6193 |
1 |
| Fujikura Ltd. | 2954 |
1 |
| Canon Anelva Corporation | 683 |
1 |
| Communications & Power Industries, Inc. | 3 |
1 |
| e Ink Holdings Inc. | 643 |
1 |
| Elwha LLC | 357 |
1 |
| Forschungszentrum Juelich GmbH | 103 |
1 |
| Indian Institute of Science | 320 |
1 |
| Other owners | 17 |