- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/90 - Insulation between electrodes or supports within the vacuum space
Patent holdings for IPC class H01J 1/90
Total number of patents in this class: 12
10-year publication summary
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0
|
1
|
0
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0
|
1
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0
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3
|
2
|
1
|
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
|
|---|---|---|
| Denka Company Limited | 2747 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4016 |
1 |
| Tsinghua University | 6233 |
1 |
| Hamamatsu Photonics K.K. | 4697 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
1 |
| Comet AG | 96 |
1 |
| HRL Laboratories, LLC | 1629 |
1 |
| IMS Nanofabrication GmbH | 61 |
1 |
| Metawater Co., Ltd. | 200 |
1 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
1 |
| GE Precision Healthcare LLC | 5826 |
1 |
| Other owners | 0 |