- 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: 43
10-year publication summary
|
1
|
0
|
3
|
2
|
2
|
2
|
3
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pioneer Corporation | 4348 |
6 |
| Sharp Corporation | 10237 |
5 |
| Sharp Kabushiki Kaisha | 18744 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
4 |
| Tsinghua University | 5922 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3803 |
4 |
| Pioneer Micro Technology Corporation | 58 |
3 |
| Crestec Corporation | 6 |
2 |
| Tohoku University | 2783 |
2 |
| Panasonic Corporation | 20110 |
1 |
| Electronics and Telecommunications Research Institute | 9381 |
1 |
| Thales SA | 2337 |
1 |
| DBT GmbH | 4 |
1 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2376 |
1 |
| Peking University | 1308 |
1 |
| Waymo LLC | 3108 |
1 |
| KETEK GmbH Halbleiter- Und Reinraumtechnik | 12 |
1 |
| Other owners | 0 |