- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/35 - Electrodes exhibiting both secondary emission and photo-emission
Patent holdings for IPC class H01J 1/35
Total number of patents in this class: 4
10-year publication summary
|
2
|
0
|
0
|
2
|
0
|
1
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Birmingham Technologies, Inc. | 21 |
2 |
| NuFlare Technology, Inc. | 902 |
1 |
| Nova Measuring Instruments Inc. | 70 |
1 |
| Other owners | 0 |