- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 11/38 - Dielectric or insulating layers
Patent holdings for IPC class H01J 11/38
Total number of patents in this class: 57
10-year publication summary
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0
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0
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2
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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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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20136 |
18 |
| Matsushita Electric Industrial Co., Ltd. | 1639 |
8 |
| LG Electronics Inc. | 72807 |
5 |
| Central Glass Company, Limited | 1262 |
4 |
| Fujitsu Hitachi Plasma Display Limited | 48 |
4 |
| Hitachi, Ltd. | 15459 |
3 |
| Eden Park Illumination | 3 |
3 |
| Nippon Electric Glass Co., Ltd. | 2454 |
3 |
| Nihon Yamamura Glass Co., Ltd. | 135 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11377 |
1 |
| Asahi Glass Company, Limited | 2799 |
1 |
| Toray Industries, Inc. | 6931 |
1 |
| Hitachi Plasma Display Limited | 93 |
1 |
| Osaka University | 3374 |
1 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
1 |
| Snu R&db Foundation | 581 |
1 |
| Other owners | 0 |