- 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: 54
10-year publication summary
|
4
|
1
|
0
|
3
|
2
|
2
|
2
|
3
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pioneer Corporation | 4843 |
8 |
| NGK Insulators, Ltd. | 4589 |
7 |
| Sharp Corporation | 10015 |
6 |
| Sharp Kabushiki Kaisha | 18957 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
| Tsinghua University | 5426 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
4 |
| Pioneer Micro Technology Corporation | 59 |
3 |
| Crestec Corporation | 7 |
2 |
| Tohoku University | 2526 |
2 |
| Panasonic Corporation | 20786 |
1 |
| Electronics and Telecommunications Research Institute | 8830 |
1 |
| Konica Minolta Holdings, Inc. | 1086 |
1 |
| Thales SA | 2318 |
1 |
| DBT GmbH | 4 |
1 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2362 |
1 |
| Peking University | 1111 |
1 |
| Waymo LLC | 2816 |
1 |
| KETEK GmbH Halbleiter- Und Reinraumtechnik | 5 |
1 |
| Other owners | 0 |