- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 11/48 - Sealing, e.g. seals specially adapted for leading-in conductors
Patent holdings for IPC class H01J 11/48
Total number of patents in this class: 27
10-year publication summary
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1
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1
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0
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0
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0
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0
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0
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0
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0
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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
|
|---|---|---|
| Hitachi, Ltd. | 16221 |
7 |
| Panasonic Corporation | 18658 |
4 |
| Nippon Electric Glass Co., Ltd. | 2569 |
4 |
| Central Glass Company, Limited | 1297 |
3 |
| Samsung Display Co., Ltd. | 39154 |
2 |
| LG Electronics Inc. | 76219 |
2 |
| LG Innotek Co., Ltd. | 8585 |
2 |
| Asahi Glass Company, Limited | 2592 |
1 |
| e Ink Holdings Inc. | 682 |
1 |
| Hankuk Glass Industries, Inc. | 29 |
1 |
| Other owners | 0 |