- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/312 - Cold cathodes having an electric field perpendicular to the surface, e.g. tunnel-effect cathodes of metal-insulator-metal [MIM] type
Patent holdings for IPC class H01J 1/312
Total number of patents in this class: 39
10-year publication summary
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0
|
3
|
2
|
2
|
2
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3
|
2
|
0
|
0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Corporation | 10436 |
5 |
| Sharp Kabushiki Kaisha | 18643 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4019 |
4 |
| Pioneer Corporation | 3855 |
4 |
| Tsinghua University | 6101 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
4 |
| Pioneer Micro Technology Corporation | 58 |
3 |
| Crestec Corporation | 5 |
2 |
| Tohoku University | 2896 |
2 |
| Panasonic Corporation | 19786 |
1 |
| Thales SA | 2352 |
1 |
| DBT GmbH | 4 |
1 |
| Peking University | 1412 |
1 |
| Waymo LLC | 3242 |
1 |
| KETEK GmbH Halbleiter- Und Reinraumtechnik | 15 |
1 |
| Other owners | 0 |