- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 33/00 - Electroluminescent light sources
Patent holdings for IPC class H05B 33/00
Total number of patents in this class: 621
10-year publication summary
|
58
|
64
|
83
|
53
|
20
|
5
|
10
|
5
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Display Co., Ltd. | 38627 |
54 |
| Signify Holding B.V. | 8052 |
21 |
| LG Display Co., Ltd. | 14966 |
20 |
| Lutron Technology Company LLC | 2749 |
13 |
| Magnolia Blue Corporation | 1154 |
13 |
| Merck Patent GmbH | 5728 |
12 |
| UDC Ireland Limited | 508 |
10 |
| Global OLED Technology LLC | 440 |
9 |
| BASF SE | 21303 |
8 |
| Seiko Epson Corporation | 20256 |
8 |
| Landauer, Inc. | 96 |
8 |
| Boe Technology Group Co., Ltd. | 44029 |
7 |
| Universal Display Corporation | 2085 |
7 |
| Samsung Electronics Co., Ltd. | 157719 |
6 |
| Canon Inc. | 43817 |
6 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
6 |
| ABL IP Holding LLC | 1887 |
6 |
| 3m Innovative Properties Company | 17478 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
5 |
| Au Optronics Corporation | 3211 |
5 |
| Other owners | 392 |