- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/74 - Cooling arrangements
Patent holdings for IPC class H01J 19/74
Total number of patents in this class: 12
10-year publication summary
|
3
|
0
|
0
|
1
|
1
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seoul Semiconductor Co., Ltd. | 1078 |
2 |
| ABL IP Holding LLC | 1902 |
1 |
| Aktieboken 8626 AB | 2 |
1 |
| KLA-Tencor Corporation | 2545 |
1 |
| Mind Head LLC | 42 |
1 |
| MP Design Inc. | 7 |
1 |
| Shaanxi University of Science and Technology | 54 |
1 |
| Cloud Light Technology Limited | 67 |
1 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
1 |
| Ideal Industries Lighting LLC | 1133 |
1 |
| Pictiva Displays International Limited | 264 |
1 |
| Other owners | 0 |