- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use
Patent holdings for IPC class H01J 7/42
Total number of patents in this class: 42
10-year publication summary
|
6
|
9
|
5
|
5
|
2
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABL IP Holding LLC | 1905 |
5 |
| RAB Lighting Inc. | 343 |
5 |
| Panasonic Intellectual Property Corporation of America | 7635 |
4 |
| Signify Holding B.V. | 7535 |
3 |
| Lutron Technology Company LLC | 2540 |
3 |
| Samsung Display Co., Ltd. | 34641 |
2 |
| Leviton Manufacturing Co., Inc. | 815 |
2 |
| Ideal Industries Lighting LLC | 1133 |
2 |
| Samsung Electronics Co., Ltd. | 145864 |
1 |
| Sony Corporation | 31065 |
1 |
| Seiko Epson Corporation | 19327 |
1 |
| Electronics and Telecommunications Research Institute | 9383 |
1 |
| Infineon Technologies AG | 8219 |
1 |
| ADMMicro Properties, LLC | 2 |
1 |
| EPtronics, Inc. | 16 |
1 |
| Express Imaging Systems, LLC | 96 |
1 |
| Otis Elevator Company | 2666 |
1 |
| Richard d. Ashoff | 2 |
1 |
| Steelcase Inc. | 1339 |
1 |
| Zyntony, Inc. | 12 |
1 |
| Other owners | 4 |